JP2667974B2 - Polycarbonate resin composition - Google Patents
Polycarbonate resin compositionInfo
- Publication number
- JP2667974B2 JP2667974B2 JP2177066A JP17706690A JP2667974B2 JP 2667974 B2 JP2667974 B2 JP 2667974B2 JP 2177066 A JP2177066 A JP 2177066A JP 17706690 A JP17706690 A JP 17706690A JP 2667974 B2 JP2667974 B2 JP 2667974B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- polycarbonate
- parts
- film
- resin composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000203 mixture Substances 0.000 title claims description 11
- 229920005668 polycarbonate resin Polymers 0.000 title claims description 6
- 239000004431 polycarbonate resin Substances 0.000 title claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 28
- 239000004417 polycarbonate Substances 0.000 claims description 26
- 229920000515 polycarbonate Polymers 0.000 claims description 26
- 239000000377 silicon dioxide Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 11
- 150000002148 esters Chemical class 0.000 claims description 8
- 125000001931 aliphatic group Chemical group 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 4
- 150000005846 sugar alcohols Polymers 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 3
- 238000000034 method Methods 0.000 description 10
- 235000013871 bee wax Nutrition 0.000 description 9
- 239000012166 beeswax Substances 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- -1 fatty acid esters Chemical class 0.000 description 8
- 235000014113 dietary fatty acids Nutrition 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 239000000194 fatty acid Substances 0.000 description 5
- 229930195729 fatty acid Natural products 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011256 inorganic filler Substances 0.000 description 3
- 229910003475 inorganic filler Inorganic materials 0.000 description 3
- OCKWAZCWKSMKNC-UHFFFAOYSA-N [3-octadecanoyloxy-2,2-bis(octadecanoyloxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(COC(=O)CCCCCCCCCCCCCCCCC)(COC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC OCKWAZCWKSMKNC-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- UTOPWMOLSKOLTQ-UHFFFAOYSA-N octacosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O UTOPWMOLSKOLTQ-UHFFFAOYSA-N 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- WZZRCFLIGSUOOC-UHFFFAOYSA-N (2,2-dimethyl-3-octadecanoyloxypropyl) octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(C)(C)COC(=O)CCCCCCCCCCCCCCCCC WZZRCFLIGSUOOC-UHFFFAOYSA-N 0.000 description 1
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 1
- HXVCOQUDJKMJQY-UHFFFAOYSA-N 2-octyldodecyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CCCCCCCC)CCCCCCCCCC HXVCOQUDJKMJQY-UHFFFAOYSA-N 0.000 description 1
- LCHYEKKJCUJAKN-UHFFFAOYSA-N 2-propylphenol Chemical compound CCCC1=CC=CC=C1O LCHYEKKJCUJAKN-UHFFFAOYSA-N 0.000 description 1
- RJBSTXIIQYFNPX-UHFFFAOYSA-N 4-methoxy-6-phenyl-1,3,5-triazin-2-amine Chemical compound COC1=NC(N)=NC(C=2C=CC=CC=2)=N1 RJBSTXIIQYFNPX-UHFFFAOYSA-N 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- UULYVBBLIYLRCU-UHFFFAOYSA-N Palmitinsaeure-n-tetradecylester Natural products CCCCCCCCCCCCCCCC(=O)OCCCCCCCCCCCCCC UULYVBBLIYLRCU-UHFFFAOYSA-N 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- UQDVHJGNIFVBLG-UHFFFAOYSA-N octadecanoic acid;propane-1,2,3-triol Chemical compound OCC(O)CO.CCCCCCCCCCCCCCCCCC(O)=O.CCCCCCCCCCCCCCCCCC(O)=O UQDVHJGNIFVBLG-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は透明性を大きく損なうことなく滑り性、耐ブ
ロッキング性を改良したポリカーボネート組成物に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention relates to a polycarbonate composition having improved slipperiness and blocking resistance without significantly impairing transparency.
（従来の技術及び発明が解決しようとする課題） ポリカーボネートは耐衝撃性、耐熱性、透明性、寸法
安定性、電気絶縁性、難燃性、保香性などにおいて優れ
た性質を持ち、フィルム形成能力に優れているという特
長を生かして食品包装用途、電気用途（絶縁バリヤー、
コンデンサーなど）、銘板用途（自動車、家電製品な
ど）、農業用途など広範な用途に使用されている。(Problems to be solved by the prior art and the invention) Polycarbonate has excellent properties such as impact resistance, heat resistance, transparency, dimensional stability, electrical insulation, flame retardancy, and fragrance retention, and forms a film. Taking advantage of its excellent ability, it can be used for food packaging and electrical applications (insulation barrier,
It is used in a wide range of applications such as capacitors), nameplate applications (automobiles, home appliances, etc.), and agricultural applications.
しかしこのように優れた物性を有するポリカーボネー
トにも欠点が皆無というわけではなく、その問題点とし
て滑り性、耐ブロッキング性の欠如がある。ポリカーボ
ネートはＴダイ押出成形時やインフレーションフィルム
加工時に巻取り不良現象や開口性不良が発生し易く生産
性の向上に大きな問題があった。However, polycarbonates having such excellent physical properties are not completely free from defects, and their problems include lack of slipperiness and blocking resistance. Polycarbonate tends to cause poor winding and poor opening during T-die extrusion molding and blown film processing, and thus has a major problem in improving productivity.
一般にフィルムの滑り性、耐ブロッキング性の改良方
法としては従来から特開昭58−42432、特開昭58−18054
1に示されるように無機充填剤を添加する方法がある。
しかし無機充填剤のみの添加では滑り性、耐ブロッキン
グ性が充分ではなく、改良されるまで添加量を増すと無
機充填剤が核となって生成するボイドによってフィルム
の商品価値を低下させ満足できるものではない。In general, methods for improving the slipperiness and blocking resistance of a film have been disclosed in JP-A-58-42432 and JP-A-58-18054.
As shown in 1, there is a method of adding an inorganic filler.
However, the addition of inorganic filler alone is not sufficient in slipperiness and blocking resistance, and if the amount is increased until it is improved, the voids generated by the inorganic filler as a nucleus lower the commercial value of the film and can be satisfied. is not.
（課題を解決する為の手段） 本発明者らは、かかる実情に鑑み、透明性を大きく損
なうことなく、滑り性、耐ブロッキング性を改良すべく
種々検討した結果、特定された微粉シリカと特定の脂肪
酸と一価または多価アルコールのエステルまたは部分エ
ステルを配合したポリカーボネート組成物を見出し本発
明に到達した。(Means for Solving the Problems) In view of such circumstances, the present inventors have conducted various studies to improve the slipperiness and the blocking resistance without greatly impairing the transparency, and as a result, have identified the specified finely divided silica. The present invention has been found a polycarbonate composition containing a fatty acid and an ester or partial ester of a monohydric or polyhydric alcohol.
すなわち、本発明は2,2−ビス（４′−ヒドロキシフ
ェニル）プロパン系ポリカーボネート100重量部に対し
て、平均粒子径３ミクロン以下の微粉シリカを0.005〜
１重量部および炭素数10から30個の脂肪族飽和一価カル
ボン酸と炭素数30個以下の脂肪族飽和一価アルコールま
たは多価アルコールとのエステルまたは部分エステルを
0.005〜５重量部配合してなる透明性が良好でかつ滑り
性、耐ブロッキング性に優れたポリカーボネート樹脂組
成物を提供するものである。That is, the present invention is based on 100 parts by weight of 2,2-bis (4'-hydroxyphenyl) propane-based polycarbonate, 0.005 to 0.005 parts by weight of finely divided silica having an average particle diameter of 3 microns or less.
1 part by weight and an ester or partial ester of an aliphatic saturated monohydric carboxylic acid having 10 to 30 carbon atoms and an aliphatic saturated monohydric alcohol or polyhydric alcohol having 30 or less carbon atoms
The present invention provides a polycarbonate resin composition which is blended in an amount of 0.005 to 5 parts by weight and has excellent transparency, slipperiness and blocking resistance.
本発明における2,2−ビス（４′−ヒドロキシフェニ
ル）プロパン系ポリカーボネートとは2,2−ビス（４′
−ヒドロキシフェニル）プロパンとホスゲンまたはジフ
ェニルカーボネートから通常公知の溶液重合法または溶
融重合法で製造されるポリカーボネートである。またビ
スフェノール成分として下記一般式 〔式中Ｘは 及び から成る群から選ばれた２価の残基を示す。Ｒは水素原
子、炭化水素基及びハロゲン原子からなる群から選ばれ
た１価の残基を示す。但し、2,2−ビス（４′−ヒドロ
キシルフェニル）プロパンを除く。〕 で示される化合物を共重合したポリカーボネートや、３
個以上のフェノール性ヒドロキシル基を有する化合物を
少量共重合して得られる分岐状ポリカーボネートも含ま
れる。The 2,2-bis (4'-hydroxyphenyl) propane-based polycarbonate in the present invention means 2,2-bis (4 '
(Hydroxyphenyl) propane and a polycarbonate produced by a generally known solution polymerization method or melt polymerization method from phosgene or diphenyl carbonate. In addition, the following general formula [Where X is as well as Represents a divalent residue selected from the group consisting of: R represents a monovalent residue selected from the group consisting of a hydrogen atom, a hydrocarbon group and a halogen atom. However, 2,2-bis (4'-hydroxylphenyl) propane is excluded. ] Polycarbonate obtained by copolymerizing a compound represented by
A branched polycarbonate obtained by copolymerizing a small amount of a compound having one or more phenolic hydroxyl groups is also included.
本発明に適したポリカーボネートの粘度平均分子量は
15000以上である。The viscosity average molecular weight of the polycarbonate suitable for the present invention is
It is over 15,000.
15000未満ではフィルム成形時の安定性、即ちＴダイ
押し出し成形時にはドローダウンが生じやすく、インフ
レーションフィルム成形時にはバルブ形成安定性に問題
があり適当でない。好ましくは15,000〜100,000であ
る。If it is less than 15,000, stability during film formation, that is, drawdown tends to occur during T-die extrusion molding, and there is a problem in valve formation stability during inflation film formation, which is not appropriate. Preferably it is 15,000-100,000.
また本発明で使用する微粉シリカは平均粒子径が３μ
以下のものである。The finely divided silica used in the present invention has an average particle diameter of 3 μm.
These are:
微粉シリカの平均粒子径が３μを超すとボイドの発生
による透明性が大きく損なわれる。好ましくは0.1〜３
μである。本発明による平均粒子径はコールカウンター
法により測定したものである。微粉シリカの配合量はポ
リカーボネート100重量部に対して、0.005から１重量
部、好ましくは0.01から0.1重量部である。0.005重量部
未満では耐ブロッキング性の改良が充分ではなく、１重
量部を超すと透明性の低下が著しい。When the average particle diameter of the finely divided silica exceeds 3 μm, transparency due to generation of voids is greatly impaired. Preferably 0.1-3
μ. The average particle diameter according to the present invention is measured by the Coal counter method. The compounding amount of finely divided silica is 0.005 to 1 part by weight, preferably 0.01 to 0.1 part by weight, based on 100 parts by weight of polycarbonate. If the amount is less than 0.005 part by weight, the improvement of the blocking resistance is not sufficient, and if it exceeds 1 part by weight, the transparency is significantly reduced.
本発明における炭素数10から30個の脂肪族飽和一価カ
ルボン酸と炭素数30個以下の脂肪族飽和一価アルコール
または多価アルコールとのエステルまたは部分エステル
（以下脂肪酸エステル類と省略する）とは、例えばミリ
シルパルミテートを主成分とする蜜蝋、モンタン酸のエ
チレングリコールエステル、ペンタエリスリトールテト
ラステアレート、ネオペンチレングリコールジステアレ
ート、グリセリンモノステアレート、グリセリンジステ
アレート、12−（オクタデカノイルオキシ）オクタデカ
ン酸−２−オクチルドデシルエステル等である。In the present invention, an ester or a partial ester of an aliphatic saturated monohydric carboxylic acid having 10 to 30 carbon atoms and an aliphatic saturated monohydric alcohol or polyhydric alcohol having 30 or less carbon atoms (hereinafter abbreviated as fatty acid esters) Are, for example, beeswax containing myristyl palmitate as a main component, ethylene glycol ester of montanic acid, pentaerythritol tetrastearate, neopentylene glycol distearate, glycerin monostearate, glycerin distearate, 12- (octadeca Noyloxy) octadecanoic acid-2-octyldodecyl ester.
これら脂肪酸エステル類の配合量はポリカーボネート
100重量部に対して、0.005重量部から５重量部、好まし
くは0.05重量部から１重量部である。0.005重量部未満
では微粉シリカの分散性改良に効果がなく、５重量部を
超すと、フィルム表面に脂肪酸エステル類が多量にブリ
ードし実用的でない。The amount of these fatty acid esters is polycarbonate
The amount is 0.005 to 5 parts by weight, preferably 0.05 to 1 part by weight, based on 100 parts by weight. If the amount is less than 0.005 parts by weight, the dispersibility of the finely divided silica is not improved. If the amount exceeds 5 parts by weight, a large amount of fatty acid esters bleed on the film surface, which is not practical.
本発明においてポリカーボネートに対する微粉シリカ
と脂肪酸エステル類の添加は必須の条件であり、何れか
片方の添加では、透明性が良好でかつ滑り性、耐ブロッ
キング性に優れたポリカーボネート樹脂組成物を得るこ
とはできない。In the present invention, the addition of the finely divided silica and the fatty acid ester to the polycarbonate is an essential condition, and the addition of any one of them can provide a polycarbonate resin composition having good transparency and excellent slipperiness and blocking resistance. Can not.
また、本発明におけるポリカーボネート樹脂組成物を
フィルムに加工する方法としては、通常Ｔダイ押出加
工、インフレーションフィルム加工、カレンダー法等が
挙げられる。必要に応じて延伸加工を組み合わせたり、
ポリカーボネート樹脂以外の他樹脂、例えばポリメチル
メタアクリレート、ポリプロピレン、ポリエチレン、酢
酸ビニル、テトラフルオロエチレンなどと共押出やラミ
ネート加工による積層も可能である。Moreover, as a method of processing the polycarbonate resin composition in the present invention into a film, a T-die extrusion processing, an inflation film processing, a calendering method and the like are usually mentioned. If necessary, combine the stretching process,
Lamination by co-extrusion or lamination with a resin other than the polycarbonate resin, for example, polymethyl methacrylate, polypropylene, polyethylene, vinyl acetate, tetrafluoroethylene and the like is also possible.
本発明に使用するポリカーボネートには抗酸化剤、耐
候剤、染料、顔料、無滴剤、難燃剤、帯電防止剤などを
適宜配合することができる。Antioxidants, weathering agents, dyes, pigments, non-dripping agents, flame retardants, antistatic agents and the like can be appropriately added to the polycarbonate used in the present invention.
次に実施例によって本発明を説明するが、これらは例
示的なものであって本発明はこれらに限定されるもので
はない。Next, the present invention will be described with reference to examples, but these are illustrative and the present invention is not limited thereto.
実施例における物性は下記の試験法により測定した。 Physical properties in the examples were measured by the following test methods.
平均粒子径：コールターカウンター法による重量分率50
％の微粉体の直径で表す。Average particle size: weight fraction 50 by Coulter counter method
% Expressed as the diameter of the fine powder.
比表面積：液体窒素温度での窒素吸着によるBET法 透明性：曇価 ASTM D−1003準拠 滑り性：摩擦係数（静止） ASTM D−1894準拠 耐ブロッキング性：インフレーションフィルム加工によ
って得られたフィルムの開口部を手で開き、その剥れ易
さを評価 ○：容易 △：やや困難 ×：困難 引張り強度： ASTM D−882準拠 平均分子量：ポリカーボネート試料を塩化メチレンで完
全に溶解し粘度管を用いてその溶液の20℃における落下
秒数を測定し、固有粘度「η」からシェネル（H.Schnel
l）の式により平均分子量を求める。Specific surface area: BET method by nitrogen adsorption at liquid nitrogen temperature Transparency: Haze value Compliant with ASTM D-1003 Slippery: Coefficient of friction (static) Compliant with ASTM D-1894 Blocking resistance: Opening of film obtained by inflation film processing Open the part by hand and evaluate the easiness of peeling. ○: Easy △: Slightly difficult ×: Difficult Tensile strength: According to ASTM D-882 Average molecular weight: Dissolve completely the polycarbonate sample in methylene chloride and use a viscosity tube The number of seconds of the solution falling at 20 ° C. was measured and the intrinsic viscosity “η”
The average molecular weight is determined by the formula of l).
実施例１ 平均分子量25500のポリカーボネート100重量部に対
し、平均粒径1.4μのシリカ（比表面積 300m2/g）0.05
重量部、蜜蝋0.1重量部を添加混合し、造粒機によって
ペレットとした後、樹脂温度290℃でインフレーション
フィルム加工を行い、厚さ20μのフィルムとした。Example 1 Silica having an average particle diameter of 1.4 μm (specific surface area: 300 m 2 / g) 0.05 per 100 parts by weight of polycarbonate having an average molecular weight of 25,500
After adding and mixing 0.1 parts by weight of beeswax and beeswax, the mixture was pelletized by a granulator, and then subjected to inflation film processing at a resin temperature of 290 ° C. to obtain a 20 μm thick film.
実施例２ 平均分子量25500のポリカーボネート100重量部に対
し、平均粒径1.4μのシリカ（比表面積 300m2/g）0.1
重量部、蜜蝋0.2重量部を添加混合し、造粒機によって
ペレットとした後、樹脂温度290℃でインフレーション
フィルム加工を行い、厚さ20μのフィルムとした。Example 2 Silica having an average particle size of 1.4 μm (specific surface area: 300 m 2 / g) was added to 100 parts by weight of polycarbonate having an average molecular weight of 25,500.
Parts by weight and 0.2 parts by weight of beeswax were added and mixed, and pelletized by a granulator, followed by inflation film processing at a resin temperature of 290 ° C. to form a 20 μm thick film.
実施例３ 平均分子量21500のポリカーボネート100重量部に対
し、平均粒径1.8μのシリカ（比表面積 300m2/g）0.05
重量部、ペンタエリスリトールテトラステアレート0.2
重量部を添加混合し、造粒機によってペレットとした
後、樹脂温度270℃でインフレーションフィルム加工を
行い、厚さ20μのフィルムとした。Example 3 Silica having an average particle size of 1.8 μm (specific surface area: 300 m 2 / g) per 100 parts by weight of polycarbonate having an average molecular weight of 21,500 was 0.05
Parts by weight, pentaerythritol tetrastearate 0.2
After adding and mixing parts by weight and pelletizing with a granulator, an inflation film process was performed at a resin temperature of 270 ° C. to obtain a film having a thickness of 20 μm.
実施例４ 平均分子量26500のポリカーボネート100重量部に対
し、平均粒径1.4μのシリカ（比表面積 300m2/g）0.05
重量部、蜜蝋0.1重量部を添加混合し、造粒機によって
ペレットとした後、樹脂温度290℃でＴダイ押出加工を
行い厚さ100μのフィルムとした。Example 4 Silica having an average particle size of 1.4 μm (specific surface area: 300 m 2 / g) per 100 parts by weight of polycarbonate having an average molecular weight of 26,500 was 0.05
After adding and mixing 0.1 parts by weight of beeswax and 0.1 part by weight of beeswax, pelletized by a granulator, T-die extrusion was performed at a resin temperature of 290 ° C. to form a film having a thickness of 100 μm.
比較例１ 平均分子量25500のポリカーボネート100重量部に対
し、平均粒径1.4μのシリカ（比表面積 300m2/g）0.05
重量部を添加混合し、造粒機によってペレットとした
後、樹脂温度290℃でインフレーションフィルム加工を
行い、厚さ20μのフィルムとした。Comparative Example 1 Silica having an average particle diameter of 1.4 μm (specific surface area: 300 m 2 / g) 0.05 per 100 parts by weight of polycarbonate having an average molecular weight of 25,500
After adding and mixing parts by weight and pelletizing with a granulator, an inflation film processing was performed at a resin temperature of 290 ° C. to obtain a film having a thickness of 20 μm.
比較例２ 平均分子量25500のポリカーボネート100重量部に対
し、平均粒径12μのシリカ（比表面積 300m2/g）0.05
重量部、蜜蝋0.1重量部を添加混合し、造粒機によって
ペレットとした後、樹脂温度290℃でインフレーション
フィルム加工を行い、厚さ20μのフィルムとした。Comparative Example 2 Silica having an average particle size of 12 μm (specific surface area: 300 m 2 / g) was added to 100 parts by weight of a polycarbonate having an average molecular weight of 25,500.
After adding and mixing 0.1 parts by weight of beeswax and beeswax, the mixture was pelletized by a granulator, and then subjected to inflation film processing at a resin temperature of 290 ° C. to obtain a 20 μm thick film.
比較例３ 平均分子量25500のポリカーボネート100重量部に対
し、蜜蝋0.1重量部を添加混合し、造粒機によってペレ
ットとした後、樹脂温度290℃でインフレーションフィ
ルム加工を行い、厚さ20μのフィルムとした。Comparative Example 3 0.1 part by weight of beeswax was added to and mixed with 100 parts by weight of a polycarbonate having an average molecular weight of 25,500, and pelletized by a granulator. Then, an inflation film was processed at a resin temperature of 290 ° C. to form a film having a thickness of 20 μ. .
比較例４ 平均分子量25500のポリカーボネートを造粒機によっ
てペレットとした後、樹脂温度290℃でインフレーショ
ンフィルム加工を行い、厚さ20μのフィルムとした。Comparative Example 4 Polycarbonate having an average molecular weight of 25,500 was pelletized by a granulator, and then subjected to inflation film processing at a resin temperature of 290 ° C. to obtain a 20 μm thick film.
第１表にフィルム物性を示す。 Table 1 shows the film properties.
（発明の効果） 本発明のポリカーボネート組成物は、従来の組成物に
比べ優れた滑り性、耐ブロッキング性、透明性を有する
フィルムを提供するものであり、フィルム加工における
生産性をも向上させるものである。 (Effect of the Invention) The polycarbonate composition of the present invention provides a film having excellent slipperiness, blocking resistance, and transparency as compared with conventional compositions, and also improves productivity in film processing. Is.
Claims (1)
（４′−ヒドロキシフェニル）プロパン系ポリカーボネ
ート100重量部に対して、平均粒子径３ミクロン以下の
微粉シリカを0.005〜１重量部および炭素数10から30個
の脂肪族飽和一価カルボン酸と炭素数30個以下の脂肪族
飽和一価アルコールまたは多価アルコールとのエステル
または部分エステルを0.005〜５重量部配合してなる透
明性が良好でかつ滑り性、耐ブロッキング性に優れたポ
リカーボネート樹脂組成物。(1) 0.001 to 1 part by weight of finely divided silica having an average particle diameter of 3 μm or less per 100 parts by weight of a 2,2-bis (4′-hydroxyphenyl) propane-based polycarbonate having a viscosity average molecular weight of 15,000 or more; The transparency is obtained by blending 0.005 to 5 parts by weight of an ester or a partial ester of an aliphatic saturated monohydric carboxylic acid having 10 to 30 carbon atoms and an aliphatic saturated monohydric alcohol or a polyhydric alcohol having 30 or less carbon atoms. A polycarbonate resin composition which is good and has excellent slipperiness and blocking resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2177066A JP2667974B2 (en) | 1990-07-03 | 1990-07-03 | Polycarbonate resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2177066A JP2667974B2 (en) | 1990-07-03 | 1990-07-03 | Polycarbonate resin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0463861A JPH0463861A (en) | 1992-02-28 |
| JP2667974B2 true JP2667974B2 (en) | 1997-10-27 |
Family
ID=16024525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2177066A Expired - Fee Related JP2667974B2 (en) | 1990-07-03 | 1990-07-03 | Polycarbonate resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2667974B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2603030B2 (en) * | 1992-06-11 | 1997-04-23 | 帝人化成株式会社 | Thin-walled container made of polycarbonate resin |
| EP0681001B1 (en) * | 1994-05-06 | 1998-08-12 | General Electric Company | Polycarbonate composition with improved slip behaviour; food packaging material and food containers |
| JP2005344006A (en) * | 2004-06-03 | 2005-12-15 | Teijin Chem Ltd | Polycarbonate resin composition |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0248081B2 (en) * | 1983-11-24 | 1990-10-24 | Teijin Chemicals Ltd | KOGAKUYOSEIKEIHIN |
| JPS62116655A (en) * | 1985-11-18 | 1987-05-28 | Idemitsu Petrochem Co Ltd | Polycarbonate resin composition |
| JPS63105059A (en) * | 1986-10-20 | 1988-05-10 | Toyobo Co Ltd | Thermoplastic resin film |
| JPH0747645B2 (en) * | 1988-04-19 | 1995-05-24 | 帝人株式会社 | Thermoplastic polymer film |
| NL8801865A (en) * | 1988-07-25 | 1990-02-16 | Gen Electric | POLYMER MIXTURE WITH AROMATIC POLYCARBONATE AND FORM DETERGENT. |
-
1990
- 1990-07-03 JP JP2177066A patent/JP2667974B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0463861A (en) | 1992-02-28 |
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