JP3404989B2 - Blow molding method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blow molding method which is excellent in mold transferability. More specifically, the present invention relates to a blow molding method which is excellent in the surface appearance and dimensional accuracy of a molded product and is excellent in molding productivity because it has excellent mold transferability.

[0002]

2. Description of the Related Art Since the blow molding method allows molding at a low pressure, it is possible to mold with a mold that is complicated and does not require high strength, and a large molded product can be obtained with a small mold clamping force. . In this way, the blow molding method can be handled with a simple and low-cost molding device. However, as a drawback, since the molding is performed at a low pressure, the transfer of the mold is not sufficient, and the surface appearance and dimensional accuracy of a molded product comparable to an injection molded product cannot be obtained. In order to improve it, the method of increasing the blow pressure, the method of heating the parison surface, the method of directly heating the mold surface, the container-shaped mold frame has a large number of through-holes, and the through-holes prevent high temperature. A method of heating the mold by supplying a fluid into the mold has been proposed, but the method of increasing the blow pressure requires a complicated and high-strength mold, and cannot take advantage of the blow molding. The method of heating the parison surface is not suitable for production because it requires complicated equipment and advanced technology to prevent drawdown of the parison. The method of directly heating the surface of the mold is a method of heating the molding surface with radiant heat, but the productivity is poor and only a limited number of molded products can be used.

[0003]

The present invention has been made in view of the solution of the above problems, and uses a mold having a relatively simple structure, has an excellent mirror surface or grain surface, and has a dimensional accuracy. It is an object of the present invention to provide a blow molding method which is excellent in molding stability and molding stability.

[0004]

The present invention provides the following [1] to [3].
The blow molding method is provided. [1] Between the molding surfaces of the following molding die, (Vicat softening
Longitudinal elastic modulus at temperature (T) + 100) ° C is 0.01
Hollow parison using thermoplastic resin of 10 ~ 10 kg / cm ²
Supply the outer surface of the hollow parison to the molding surface.
While pressing with blow molding pressure of 0 [kg / cm ² ] or less
Using the vacuum suction means of the molding die below,
Vicat the molding surface by adhering it by empty suction
Heating to a softening temperature (T) ° C or higher, and then the molding surface
Up to (Vicat softening temperature (T) -10) ° C or lower
A blow molding method in which a molded product is obtained by cooling. Mold for molding: Hollow parison made of molten or softened thermoplastic resin
A mold body having a molding surface for adhering and solidifying
Before leaving a space between the molding surface and the opposite surface
The hollow pariso is composed of a mold body that supports a mold body.
Vacuum suction means for vacuum suctioning the resin onto the molding surface,
Vicat softening temperature of the thermoplastic resin
(T) heating from the opposite side to a temperature of ℃ or above
The heating means and the molding surface of the thermoplastic resin (Vicat
Softening temperature (T) -10) C
And a cooling means for cooling from the side . [2] In the above [1], the blow-molded product is as follows
Blow molding method characterized by being a large product shown
Law. Large products: cooler box, TV, audio equipment, printer,
FAX, copier, game machine, washing machine, air conditioner, refrigerating
Cabinet, vacuum cleaner, attache case, musical instrument case, tool box,
Containers, housings for camera cases, etc., or swimmers
Gubodo, surf board, wind surf board, love
ー, snowboard, skateboard, ice hockey case
Tick, curling ball, gateball racket,
Sports products such as tennis rackets, canoe, boats,
Or bats, blocks, blocks, fishing tackle cases, pachinko machines
Playground equipment such as frames, air spoilers, doors, bumpers
ー, fender, bonnet, sunroof, rear
Toe, wheel cap, instrument panel, glove box,
Console box, armrest, headrest, fuel
Vehicles such as toll tanks, driver's seat covers, trunk tool boxes, etc.
Dual-purpose product or drawer, desk top plate, bed top plate / bottom plate,
Mirror stand frame board, girder box board / front door, chair back board / bottom board, tray / train
ー, umbrella stand, vase, medicine box, hanger, cosmetic box, storage box
Boards, book stands, office desk tops, OA desk tops, OA racks, etc.
Furniture products, shower heads, toilet seats, toilet plates, drainage pads
Sanitaries such as water tanks, water tank lids, vanity doors, bathroom doors, etc.
Products or ceiling boards, floor boards, wall boards, window frames, doors, benches, etc.
Products for building materials, or for kitchens such as cutting boards and kitchen doors
Goods, etc. [3] In the above [1], the thermoplastic resin is
Either (A), (B), or a mixture of (A) and (B)
The blow molding method is characterized in that (A): Polymerization of vinyl monomer in the presence of rubbery polymer
The graft copolymer thus obtained. (B): (co) polymerization obtained by polymerizing vinyl monomers
body.

The present invention will be described in detail below. The thermoplastic resin which is a molding material for the molded article of the present invention has a longitudinal elastic modulus at a Vicat softening temperature (T) + 100 ° C. of 0.
01 to 10 [kg / cm ² ], preferably 0.05 to
2 [kg / cm ² ], more preferably 0.1 to 1 [k
g / cm ² ]. The reason why the above range is preferable as the longitudinal elastic modulus at (Vicat softening temperature (T) +100) ° C. of the thermoplastic resin is that the longitudinal elastic modulus is 0.0
If it is less than 1 [kg / cm ² ], drawdown of the parison occurs and stable molding cannot be performed, while the longitudinal elastic modulus is 1
This is because if it exceeds 0 [kg / cm ² ], a large molding pressure is required to form the parison and an extremely large blow pressure is required to inflate the parison and press it against the molding surface.

As the thermoplastic resin material, for example, a graft copolymer (A) obtained by polymerizing a vinyl monomer in the presence of a rubbery polymer; obtained by polymerizing the vinyl monomer. (Co) polymer (B); a mixture of (A) and (B); a polyolefin such as polyethylene or polypropylene; polycarbonate; modified polyphenylene ether;
Examples include polyexymethylene; nylons such as nylon 6, nylon 66, and nylon 46; polyether sulfone; polyarylate; vinyl chloride resin and the like, and these can be used as one kind or as a mixture of two or more kinds.

The above graft copolymer (A) will be described. Examples of the rubber-like polymer include polybutadiene, butadiene- (meth) acrylic acid ester copolymer, polyisoprene, styrene-butadiene copolymer (styrene content is preferably 50 to 60% by weight), styrene-isoprene copolymer, Diene rubber such as acrylonitrile-butadiene copolymer, olefin rubber such as ethylene-α-olefin copolymer, ethylene-α-olefin-polyene copolymer, ethylene-butene copolymer; silicone rubber Acrylic rubber; styrene-
Block copolymers such as butadiene block copolymers and styrene-isoprene block copolymers; hydrogenated styrene-butadiene block copolymers; hydrogenated diene-based polymers such as hydrogenated butadiene-based polymers; ethylene-based ionomers, etc. Is mentioned. The styrene-butadiene block copolymer and the styrene-isoprene block copolymer include those having an AB type, ABA type, taper type, radial teleblock type structure and the like. Further, the hydrogenated diene-based polymer has, in addition to the hydride of the above block copolymer, the hydride of the block of the styrene block and the styrene-butadiene random copolymer, and the 1,2-vinyl bond content in polybutadiene. Included are hydrides of polymers composed of blocks of 20% by weight or less and polybutadiene blocks having a 1,2-vinyl bond content of more than 20% by weight. These rubber-like polymers are used alone or in combination of two or more.

Vinyl-based monomers include styrene and t-
Butylstyrene, α-methylstyrene, p-methylstyrene, divinylbenzene, 1,1-diphenylstyrene, N, N-diethyl-p-aminoethylstyrene,
Aromatic vinyl compounds such as N, N-diethyl-p-aminomethylstyrene, vinylpyridine, vinylxylene, monochlorostyrene, fluorostyrene, ethylstyrene and vinylnaphthalene; vinyl cyanide compounds such as acrylonitrile and methacrylonitrile; methyl acrylate , Ethyl acrylate, propyl acrylate, butyl acrylate, amino acrylate, hexyl acrylate, octyl acrylate, 2-ethylhexyl acrylate, cyclohexyl acrylate, dodecyl acrylate. , Octadecyl acrylate, phenyl acrylate, benzyl acrylate, and other acrylic acid esters; methyl methacrylate, ethyl methacrylate
, Propyl methacrylate, butyl methacrylate,
Aminomethacrylate, hexylmethacrylate, octylmethacrylate, 2-ethylhexylmethacrylate
, Cyclohexyl methacrylate, dodecyl methacrylate, octadecyl methacrylate, phenyl methacrylate, benzyl methacrylate, etc .; maleic anhydride, itaconic anhydride, citraconic anhydride, etc. Unsaturated acid anhydrides; unsaturated acids such as acrylic acid and methacrylic acid; maleimide, N-methylmaleimide, N-butylmaleimide, N- (p-methylphenyl) maleimide, N-phenylmaleimide, N-cyclohexylmaleimide, etc. An imide compound of an α, β-unsaturated dicarboxylic acid (maleimide compound); and the like. Among the above monomers, preferred are two or more kinds of monomers selected from aromatic vinyl compounds, vinyl cyanide compounds, (meth) acrylic acid esters, unsaturated acid anhydrides and unsaturated acids. . Specific examples of particularly preferable monomers include styrene, α-methylstyrene, acrylonitrile, methacrylic acid, methylmethacrylate, maleic anhydride, N-phenylmaleimide, glycidylmethacrylate and 2-hydroxyethyl. Methacrylate and the like. In the imide compound copolymer of α, β-unsaturated dicarboxylic acid, a copolymer with the unsaturated acid anhydride,
Post-imidized (complete or partial) is included. The above-mentioned copolymer (B) is an aromatic vinyl compound or a (meth) acrylic acid ester homopolymer shown above,
It is a copolymer obtained by polymerizing two or more of the above vinyl-based monomers.

The specific graft copolymer (A),
Examples of the copolymer (B) and the mixture of (A) and (B) are illustrated. (A-1) A graft copolymer obtained from the above diene rubber and styrene. (A-2) A graft copolymer obtained from at least two selected from the above-mentioned diene rubber and styrene, α-methylstyrene, acrylonitrile, methacrylate, and maleimide compound. (A-3) A graft copolymer obtained from the above olefin rubber and styrene. (A-4) A graft copolymer obtained from at least two selected from the above-mentioned olefin rubber and styrene, α-methylstyrene, acrylonitrile, methacrylate, and maleimide compound. (A-5) A graft copolymer obtained from the above block copolymer and styrene. (A-6) A graft copolymer obtained from the above block copolymer and at least two selected from styrene, α-methylstyrene, acrylonitrile, methacrylate and maleimide compounds. (A-7) The hydrogenated diene-based gopolymer and styrene, α
-Methylstyrene, acrylonitrile, methacrylate-
And a graft copolymer obtained from at least two selected from maleimide compounds. (A-8) A graft copolymer obtained from at least two selected from the above-mentioned silicone rubber and styrene, α-methylstyrene, acrylonitrile, methacrylate, maleimide compound.

(B-1) A polymer of styrene. (B-2) At least two copolymers selected from styrene, α-methylstyrene, acrylonitrile, methacrylate, and maleimide compounds. (B / C-1) A mixture of the above (A-1) and (B-1). (B / C-2) A mixture of at least one selected from the above (A-1) to (A-8) and the above (B-2).

The molding die used when molding the molded article of the present invention is a mold body having a molding surface, in which a molten thermoplastic resin is pressed against the molding surface to be adhered and solidified, and the molding body. And a means for heating the former molding surface to a temperature not lower than the Vicat softening temperature (T) ° C. of the thermoplastic resin, and the former Vicat softening temperature (V). T) A molding die having a space between the cooling means for cooling to a temperature of −10 ° C. or lower and the mold body on the surface opposite to the molding surface. By using this mold for molding, it is possible to obtain a molded product having excellent mold surface transferability, resulting in excellent surface appearance and dimensional accuracy of the molded product, and excellent molding productivity. .

[0012] The preferable heating means and cooling means of this molding die are present in a space between the molding body and the molding surface heating means, for example, steam, heating oil, etc. in the space. A method of supplying a heating fluid, a method of installing a halogen lamp, a heater, etc. in the space and heating them.
A method in which both methods are combined can be mentioned. As the cooling means, a fluid such as cooling water, cooling oil, or gas is supplied to the space to cool the molding surface.

In the method for molding a molded article of the present invention, the hollow parison of the thermoplastic resin is supplied to the cavity of the molding die, and the outer surface of the hollow parison is applied to the molding surface as 1
Pressure of 00 kg / cm ² or less, preferably 1 to 10 k
Vicat softening temperature (T) ° C. or higher, preferably Vicat softening temperature (T) + 10 ° C., more preferably before or at the same time as or after the close contact of the molding surface, by pressing at a pressure of g / cm ² for close contact. Is a Vicat softening temperature (T) + 20 ° C., and then the molding surface is Vicat softening temperature (T) −10 ° C. or less, preferably Vicat softening temperature (T) −20 ° C., more preferably Vicat softening temperature (T). ) By cooling to a temperature of -40 [deg.] C., the molded article targeted by the present invention is obtained.

The molded article of the present invention, which is excellent in surface appearance and dimensional accuracy of the molded article and is excellent in molding productivity, is extremely suitable as a molded article used for the following purposes. As molded products, housings, sports products, playground equipment, vehicle products,
Furniture products, sanitary products, building materials products, kitchen products. Further, the molded product of the present invention is suitable for a molded product having a foamed layer in the hollow portion, and a molded product manufactured by the multilayer blow molding method. Further, since the molded product of the present invention is excellent in surface treatment such as plating, sputtering, vapor deposition and coating, it is suitable as a molded product obtained by secondary processing of these. Examples of the housing include a cooler box and a T
V, audio equipment, printers, fax machines, copying machines, games
Machine, washing machine, air conditioner, refrigerator, vacuum cleaner, attache case, musical instrument case, tool box, container, camera case and the like. Examples of sports products include swimming boards, surfboards, windsurf fins,
Examples include skis, snowboards, skateboards, ice hockey sticks, curling balls, gateball rackets, tennis rackets, canoe, boats and the like.
Examples of the play equipment include a bat, a block, a building block, a fishing gear case, a pachinko underframe, and the like. Examples of vehicle products include air spoilers, doors, bumpers, fenders, bonnets, sun roofs, and rear gears.
Toe, wheel cap, instrument panel, glove box,
Examples include console boxes, armrests, headrests, fuel tanks, driver's seat covers and trunk tool boxes. Examples of furniture products include drawers, desk tops, bed tops / bottoms, mirror frame plates, grate box plates, front doors,
Chair back plate / bottom plate, tray, tray, umbrella stand, vase, medicine box, hanger, makeup box, storage box board, book stand, office desk top board, OA
Examples include desk top plates and OA racks. Examples of sanitary products include shower heads, toilet seats, toilet plates, drain pans, water tank lids, vanity doors, bathroom doors, and the like. Examples of products for building materials include ceiling boards, floor boards, wall boards, window frames, doors, benches, and the like. Examples of kitchen products include cutting boards and kitchen doors.
Molded articles having a foam layer in the hollow part include a front door of a refrigerator and a cooler box. The foam layer may be formed by injecting urethane to form urethane foam. Examples of the molded product manufactured by the multilayer blow molding method include a fuel tank and the like. Examples of the molded product on which the molded product is plated, sputtered, vapor deposited, or painted include vehicle exterior parts and electronic device housings. Further, the molded product is a housing, sports product, playground equipment, vehicle product, furniture product, sanitary product, building material product, kitchen product, and the molded product further has a foam layer in the hollow portion. The molded product includes, but is not limited to, a molded product manufactured by a multi-layer blow molding method, and the molded product includes a plated, sputtered, vapor deposited, and painted molded product.

[0015]

A mold for molding comprising a mold body having a molding surface and a mold body for supporting the mold body, in which a molten thermoplastic resin is pressed against the molding surface to be adhered and solidified, Vicat softening temperature (T) ° C of the thermoplastic resin
A means for heating to the above temperature, a cooling means for cooling the molding surface to a temperature of Vicat softening temperature (T) -10 ° C. or lower, and a space between the molding body and the opposite surface of the molding surface. A molded product obtained by using a molding die having a surface has a surface appearance such as a mirror surface with good surface gloss and a textured surface with good mold transferability, and has excellent dimensional accuracy and a simple process. It is a molded product with excellent molding productivity that can be provided with a short cycle time.

[0016]

EXAMPLES Examples of the present invention will be described below. Example 1 The mold used in Example 1 is shown in FIG. The molding die has a mold body 3 having a molding surface 30 and a mold body 4 supporting the mold body. A supported plate (not shown) that projects around the mold body 3 is provided with play in a groove (not shown) provided in the mold body 4 so as to correspond to the supported plate. Is loosely fitted into the mold 3 by this.
Are supported by the mold body 4. The groove is formed by mounting the groove on the mold body with a body plate (not shown) with bolts. Further, a gap of, for example, 0.1 mm is provided between the adjacent main body plates. Further, in the above, the heating means is formed by forming a space B between the back surface 31 of the mold body 3 and the mold body 4 and supplying steam to the space B (70, 71, 72). Is a mold for molding. The mold body 3 having the molding surface 30 is supported by the mold body 4 via the heat insulating layer 1, and the heat insulating layer 2 is formed on at least a part of the inner surface (not shown) of the mold body 4 facing the space B. Is a molding die provided with.
In this embodiment, the heat insulating layer 1 is made of phenol resin,
Asbestos was used for the heat insulating layer 2. In the heat insulation layer 2, the heat in the space B escapes through the mold body 4 or the heat in the outside is generated by the mold body 4.
The defects transmitted to the inside of the space B through the through holes are prevented, and the transferability and dimensional stability of the molding surface are improved. An O-ring (not shown) having heat resistance is fitted in the gap between the supported plate and the groove. Since the space B formed between the back side 31 of the mold body 3 and the mold body 4 is sealed by the O-ring, the space B is injected into the space B at the time of heating through the valve 72, the pipe 71, and the nozzle 70. Leakage of the heated steam and the air and water injected into the space B during cooling from the support portion, and the generated heated steam / air / water injected into the space B through the pipe 76 and the valve 77. Exhausted through.

Further, at the time of molding, in order to bring the parison 6 into good contact with the molding surface 30, the parison 30 is fixed by a vacuum suction nozzle 32 installed on the molding surface 30 connected by vacuum suction means (not shown). It has a mechanism for vacuum adsorption. Further, at the time of molding, the fluid sealing means 5 for sealing the fluid inside the parison 6 is the first pressure detecting means 5
1 and the second pressure detecting means 33 arranged in the space B formed between the back side 31 of the mold body 3 and the mold body 4, and the pressure inside the parison 6 and the space B inside. Molding is performed by synchronizing the pressure. In Example 1, ABS resin is used as the thermoplastic resin material, and IPB-EP- is used for the blow molding machine.
55 (Ishikawajima Harima Heavy Industries Ltd.) was used to perform a molding experiment. The molded product manufactured in Example 1 is a housing box, a cooler box, a sports product is a swimming board, a playground product is a bat, a vehicle product is an air spoiler, and a furniture product is a drawer. Shower heads for sanitary products, wallboards for building products, kitchen doors for kitchen products, refrigerator front doors for molded products with a foam layer in the hollow part, fuel tanks for molded products manufactured by the multilayer blow molding method ,
The molded product is an air spoiler for vehicle exterior parts, which is a molded product that has been subjected to surface treatment such as plating, sputtering, vapor deposition, and painting. As the ABS resin, for example, in the cooler box, ABS45A (manufactured by Nippon Synthetic Rubber Co., Ltd./(Vicat softening temperature 105 ° C + 100 ° C)) has a longitudinal elastic modulus at 205 ° C of 0.3 [kg / cm ² ]. Molding was carried out using the same thermoplastic resin for the other molded products, and the molding evaluation result for each of the above molded products was designated as Method A of the molding method,
It shows in Table 1.

Comparative Example 1 The mold used in Comparative Example 1 is shown in FIG. The molding die has a mold body 3 having a molding surface 30 and a mold body 4 supporting the mold body. Comparative Example 1 is a blow molding using a general molding die. Also in Comparative Example 1, the thermoplastic resin and the blow molding machine are the same as in Example 1. The molded product manufactured by the method of Comparative Example 1 was the same as in Example 1 except that the housing product was a cooler box and the sports product was a swimming boat.
Dots, bats for playground equipment, air spoilers for vehicles, drawers for furniture, and showers for sanitary products.
Wall boards for heads and building materials, kitchen doors for kitchen products,
A front door of a refrigerator for a molded product having a foamed layer in the hollow part, a fuel tank for a molded product manufactured by the multi-layer blow molding method, and a vehicle exterior for a molded product where the molded product is subjected to surface treatment such as plating, spattering, vapor deposition, and painting. It is an air-spoiler part. The results of molding evaluation are shown in Table 1 as Method B of the second embodiment method. From the results shown in Table 1, in the case of the method A in comparison with the method B, that is, in the method of the embodiment of the present invention with respect to a general blower, a molded product having a mirror surface with good surface gloss and a textured surface with excellent transferability was obtained. Was obtained. Further, in Example 1 (method A), the transferability of the corner portion was excellent, so that a molded product having excellent dimensional accuracy was obtained. Furthermore, although a mold heating / cooling system is incorporated, the cycle time is comparable to general blow molding, and the superiority of the molded product of the present invention can be seen.

[Table 1]

[0019]

According to the present invention, a molded product having a surface appearance such as a mirror surface having a good surface gloss and a textured surface having an excellent transfer property, and a molded product having an excellent dimensional accuracy can be formed with a simple process and in a short time. It is possible to provide in cycle time.

[Brief description of drawings]

FIG. 1 is a schematic view showing a mold of an example, showing an example 1.

FIG. 2 is a schematic view showing a mold of an example, showing a comparative example 1.

[Explanation of symbols] 1 heat insulation layer 1 2 heat insulation layer 2 Type 3 30 molding surface 31 back side 32 Vacuum suction nozzle 33 Second pressure detection means 4 Mold body 5 Fluid enclosing means 51 First Pressure Detection Means 6 parison

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI B29L 31:52 B29L 31:52 31:58 31:58 (72) Inventor Fumio Kurihara 2-11-24 Tsukiji, Chuo-ku, Tokyo Within Japan Synthetic Rubber Co., Ltd. (56) Reference JP-A-7-108534 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) B29C 49/00-49/80

Claims (3)

(57) [Claims] 1. Between the molding surfaces of the following molding die,
The longitudinal elastic modulus at the softening temperature (T) + 100) ° C
Hollow package using 0.01-10 [kg / cm ² ] thermoplastic resin
Lison is supplied, and the outer surface of the hollow parison is 100 [kg / cm] on the molding surface.
² ] Press the blow molding pressure below and
Vacuum suction to the molding surface using the vacuum suction means of the mold
By contacting and heating the molding surface to a Vicat softening temperature (T) ° C or higher.
And, subsequently, the molding surfaces (Vicat softening temperature (T) -1
0) Blow molding to obtain molded products by cooling to a temperature below 0 ° C
Method. Mold for molding: Hollow parison made of molten or softened thermoplastic resin
A mold body having a molding surface for adhering and solidifying
Before leaving a space between the molding surface and the opposite surface
A mold body for supporting the mold body, and a mold for vacuum suctioning the hollow parison to the molding surface.
The empty adsorption means and the molding surface are covered with the Vicat softening temperature of the thermoplastic resin.
(T) heating from the opposite side to a temperature of ℃ or above
The heating means and the molding surface are connected to each other by the (Vicat softening temperature of the thermoplastic resin.
(T) -10) Cool down from the opposite side to a temperature of -10 ° C or less.
A cooling mold to be removed, and a molding die. 2. The blow molding method according to claim 1, wherein the blow molded product is a large product exemplified below . Large products: cooler box, TV, audio equipment, printer,
FAX, copier, game machine, washing machine, air conditioner, refrigerating
Cabinet, vacuum cleaner, attache case, musical instrument case, tool box,
Containers, housings for camera cases, etc., or swimmers
Surfboard, surfboard, windsurfboard, ski
ー, snowboard, skateboard, ice hockey case
Tick, curling ball, gateball racket,
Tenisurake Tsu door, canoe, products for sports boats, etc.,
Or bats, blocks, blocks, fishing tackle cases, pachinko machines
Playground equipment such as frames, air spoilers, doors, bumpers
ー, fender, bonnet, sunroof, rear
Toe, wheel cap, instrument panel, glove box,
Console box, armrest, headrest, fuel
Vehicles such as toll tanks, driver's seat covers, trunk tool boxes, etc.
Dual-purpose product or drawer, desk top plate, bed top plate / bottom plate,
Mirror stand frame board, girder box board / front door, chair back board / bottom board, tray / train
ー, umbrella stand, vase, medicine box, hanger, cosmetic box, storage box
Boards, book stands, office desk tops, OA desk tops, OA racks, etc.
Furniture products, shower heads, toilet seats, toilet plates, drainage pads
Sanitaries such as water tanks, water tank lids, vanity doors, bathroom doors, etc.
Products or ceiling boards, floor boards, wall boards, window frames, doors, benches, etc.
Products for building materials, or for kitchens such as cutting boards and kitchen doors
Goods, etc. 3. The thermoplastic resin according to claim 1, wherein the thermoplastic resin is the following (A), (B), or (A):
A mixture of (B),
-Molding method. (A): Polymerization of vinyl monomer in the presence of rubbery polymer
The graft copolymer thus obtained. (B): (co) polymerization obtained by polymerizing vinyl monomers
body.