JPH064705B2 - Impact resistant molding - Google Patents
Impact resistant moldingInfo
- Publication number
- JPH064705B2 JPH064705B2 JP24718285A JP24718285A JPH064705B2 JP H064705 B2 JPH064705 B2 JP H064705B2 JP 24718285 A JP24718285 A JP 24718285A JP 24718285 A JP24718285 A JP 24718285A JP H064705 B2 JPH064705 B2 JP H064705B2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- weight
- parts
- impact resistant
- solid content
- 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
- 238000000465 moulding Methods 0.000 title description 3
- 239000011159 matrix material Substances 0.000 claims description 8
- 239000005011 phenolic resin Substances 0.000 claims description 8
- 239000002759 woven fabric Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 4
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 3
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 3
- 239000012779 reinforcing material Substances 0.000 claims description 3
- 239000011342 resin composition Substances 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- 229920005989 resin Polymers 0.000 description 15
- 239000011347 resin Substances 0.000 description 15
- 239000007787 solid Substances 0.000 description 9
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 7
- 229920006231 aramid fiber Polymers 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920003987 resole Polymers 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 229920006337 unsaturated polyester resin Polymers 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920003261 Durez Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 1
- 229910001863 barium hydroxide Inorganic materials 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000007589 penetration resistance test Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Helmets And Other Head Coverings (AREA)
- Reinforced Plastic Materials (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は繊維強化プラスチック（以下、ＦＲＰという）
からなる耐衝撃成形物に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a fiber reinforced plastic (hereinafter referred to as FRP).
The present invention relates to an impact resistant molded product comprising
近年耐衝撃性に優れた繊維素材が開発上市されている
が、FRP化に於て、マトリックスにエポキシ樹脂、フェ
ノール樹脂、不飽和ポリエステル樹脂等の熱硬化性樹脂
が単独、又は併用で使用されている。この様にマトリッ
クスが熱硬化性樹脂よりなっているものにあっては、マ
トリックスの硬化により製品に剛性が付与されるため、
衝撃吸収性が低下し耐衝撃性に優れたFRP製品が得られ
ていない。In recent years, fiber materials with excellent impact resistance have been developed and put on the market, but in the FRP process, thermosetting resins such as epoxy resin, phenol resin and unsaturated polyester resin are used alone or in combination in the matrix. There is. In this way, when the matrix is made of a thermosetting resin, the hardening of the matrix gives rigidity to the product,
FRP products with reduced impact absorption and excellent impact resistance have not been obtained.
本発明はこの様な状況に鑑みなされたものであり、種々
研究した結果マトリックスがフェノール樹脂とポリビニ
ルブチラールからなる樹脂組成物で構成され、強化材が
高強度繊維織布からなることが耐衝撃性に優れた効果が
あることを見出した。この知見に基づき更に研究を進め
て本発明を完成するに至った。The present invention has been made in view of such a situation, and as a result of various studies, it is preferable that the matrix is composed of a resin composition composed of a phenol resin and polyvinyl butyral, and the reinforcing material is a high-strength fiber woven fabric. It has been found that there is an excellent effect on. Based on this finding, further research was conducted to complete the present invention.
本発明は、フェノール樹脂とポリビニルブチラールから
なる樹脂組成物をマトリックスとし、高強度繊維織布を
強化材とする繊維強化プラスチックからなる耐衝撃成形
物、に関するものである。フェノール樹脂にはレゾール
型樹脂とノボラック型樹脂があるが、本発明にはレゾー
ル型樹脂の使用が好ましい。尚レゾール型樹脂の反応触
媒には苛性ソーダ、アンモニア、水酸化バリウム、酸化
マグネシウムが使用され、特に限定されるものでない。
フェノール樹脂は数平均分子量が２００から４００の範
囲で使用できるが、好ましくは２５０から３５０の範囲
である。一方、ポリビニルブチラールは重合度が５００
から5000の範囲のものが使用出来るが、好ましくは８０
０から4000の範囲である。ブチラール化度については特
に限定されないが、好ましくは５５〜７０モル％であ
る。樹脂の配合割合はフェノール樹脂３０重量部（固形
分）から８０重量部（固形分）とポリビニルブチラール
７０重量部（固形分）から２０重量部（固形分）の範囲
が使用出来るが、好ましくはフェノール樹脂４０重量部
（固形分）から７５重量部（固形分）とポリビニルブチ
ラール６０重量部（固形分）から２５重量部（固形分）
の範囲である。The present invention relates to an impact resistant molded product made of a fiber reinforced plastic having a resin composition of a phenol resin and polyvinyl butyral as a matrix and a high strength fiber woven fabric as a reinforcing material. Phenolic resins include resol type resins and novolac type resins, but the use of resol type resins is preferred in the present invention. Note that caustic soda, ammonia, barium hydroxide, and magnesium oxide are used as the reaction catalyst for the resol type resin, and are not particularly limited.
The phenol resin may be used in a number average molecular weight of 200 to 400, preferably 250 to 350. On the other hand, polyvinyl butyral has a degree of polymerization of 500.
It is possible to use those in the range of from 5 to 5000, preferably 80
It ranges from 0 to 4000. The degree of butyralization is not particularly limited, but it is preferably 55 to 70 mol%. The compounding ratio of the resin can be in the range of 30 parts by weight (solid content) to 80 parts by weight (solid content) and 70 parts by weight (solid content) of polyvinyl butyral to 20 parts by weight (solid content), preferably phenol. Resin 40 parts by weight (solid content) to 75 parts by weight (solid content) and polyvinyl butyral 60 parts by weight (solid content) to 25 parts by weight (solid content)
Is the range.
マトリックスに上記樹脂を使用することにより適度の柔
軟性と適度の剛性が付与され、衝撃吸収性が向上し耐衝
撃性に優れたFRP製品が得られる。使用する基材につい
ては、アラミッド繊維織布、ナイロン繊維織布等の高強
度繊維織布を使用することにより更にその効果が発揮さ
れる。By using the above resin in the matrix, appropriate flexibility and appropriate rigidity are imparted, and the FRP product having improved impact absorption and impact resistance can be obtained. As for the base material to be used, the effect is further exhibited by using a high-strength fiber woven fabric such as aramid fiber woven fabric or nylon fiber woven fabric.
本発明のＦＲＰからなる耐衝撃成形物は、従来と同様の
成形方法によって製造しても、非常に優れた耐衝撃性を
有するものであるので、ヘルメットなどの成形品に好適
に応用される。The impact-resistant molded article made of the FRP of the present invention has extremely excellent impact resistance even when manufactured by the same molding method as the conventional one, and thus is suitably applied to molded articles such as helmets.
従って、基材の使用枚数を減らしても従来製品と同等、
もしくはそれ以上の耐衝撃性が得られるので、製品の軽
量化並びに低コスト化を可能にした。Therefore, even if the number of base materials used is reduced,
Or, since impact resistance higher than that can be obtained, it is possible to reduce the weight and cost of the product.
以下に実施例により本発明を具体的に説明する。 The present invention will be specifically described below with reference to examples.
実施例１ ポリビニルブチラールにはBX−１（積水化学製、重合度
1750）を用い、メチルエチルケトン800重量部に１００
重量部を溶解させ、フェノール樹脂にはPR−51406（住
友デュレズ製、数平均分子量３００、固形分５０重量
％）を用い、上記ポリビニルブチラール溶液９００重量
部に２００重量部添加し、撹拌混合し、マトリックス用
樹脂とした。Example 1 For polyvinyl butyral, BX-1 (manufactured by Sekisui Chemical Co., Ltd., degree of polymerization
1750) to 100 parts by weight of methyl ethyl ketone
200 parts by weight of 900 parts by weight of the polyvinyl butyral solution was added to PR-51406 (manufactured by Sumitomo Durez Co., Ltd., number average molecular weight 300, solid content 50% by weight) as a phenol resin, and mixed by stirring. It was used as a matrix resin.
該樹脂をアラミッド繊維織布（カネボー製、Ｋ−1122）
に付着樹脂量が２５重量％になるようコーティングし、
１２０℃乾燥器中で５分間乾燥を行い、プリプレグを作
成した。このプリプレグを８枚重ね合わせて、ステンレ
ス板間に挿入し、加熱温度１６０℃、加圧力１００kg／
cm2、加圧時間１５分の条件で成形し、厚さ４mmの板状
成形品を得た。該板状成形品を安全帽の耐貫通試験であ
るJIST-8131に基づいて耐衝撃性評価を行なった。ただ
し、ストライカの落下高さは2.5ｍとした。The resin is aramid fiber woven cloth (Kanebo, K-1122)
Coated so that the amount of adhered resin is 25% by weight,
Drying was performed for 5 minutes in a 120 ° C. dryer to prepare a prepreg. Eight of these prepregs are stacked and inserted between stainless plates, heating temperature 160 ° C, pressure 100 kg /
Molding was carried out under the conditions of cm 2 and a pressing time of 15 minutes to obtain a plate-shaped molded product having a thickness of 4 mm. The plate-shaped molded product was subjected to impact resistance evaluation based on JIST-8131 which is a penetration resistance test of a safety hat. However, the drop height of the striker was set to 2.5 m.
実施例２ 実施例１で作成したプリプレグを７枚重ね合わせて、ス
テンレス板間に挿入し、実施例１と同条件で成形し、厚
さ3.5mmの板状成形品を得た。該板状成形品を実施例１
と同様に耐衝撃性の評価を行ない、その結果を表１に示
した。Example 2 Seven prepregs prepared in Example 1 were piled up, inserted between stainless steel plates, and molded under the same conditions as in Example 1 to obtain a plate-shaped molded product having a thickness of 3.5 mm. The plate-shaped molded article was prepared as in Example 1.
The impact resistance was evaluated in the same manner as in, and the results are shown in Table 1.
比較例１ アラミッド繊維織布（カネボー製、Ｋ−1122）にフェノ
ール樹脂PR−51406（住友デュレズ製）を樹脂の付着量
が２５重量％になるようにコーティングし、１３０℃の
乾燥器中で５分間乾燥しプリプレグを作成した。このプ
リプレグを実施例１と同様の構成及び同様の条件で成形
し、厚さ４mmの板状成形品を得た。該板状成形品を実施
例１と同様の方法で耐衝撃性の評価を行い、結果を表１
に示した。Comparative Example 1 Phenolic resin PR-51406 (Sumitomo Dures Co., Ltd.) was coated on aramid fiber woven fabric (Kanebo, K-1122) so that the amount of resin adhered was 25% by weight, and the mixture was dried in a dryer at 130 ° C. for 5 hours. It was dried for a minute to prepare a prepreg. This prepreg was molded under the same structure and conditions as in Example 1 to obtain a plate-shaped molded product having a thickness of 4 mm. The plate-like molded article was evaluated for impact resistance in the same manner as in Example 1, and the results are shown in Table 1.
It was shown to.
比較例２ 不飽和ポリエステル樹脂１００重量部にｔ−B.P.B5重量
部添加した樹脂をアラミッド繊維織布（カネボ−製、Ｋ
−1122）に樹脂の付着量が２５重量％になるようにコー
ティングしプリプレグを作成した。Comparative Example 2 A resin obtained by adding 5 parts by weight of t-BPB to 100 parts by weight of an unsaturated polyester resin was woven with aramid fiber (Kanebo, K
-1122) was coated so that the amount of resin adhered was 25% by weight to prepare a prepreg.
このプリプレグを実施例１と同様の構成及び同様の条件
で成形し、厚さ４mmの板状成形品を得た。This prepreg was molded under the same structure and conditions as in Example 1 to obtain a plate-shaped molded product having a thickness of 4 mm.
耐衝撃性の評価は実施例１と同様の方法で行ない、結果
を表１に示した。The impact resistance was evaluated in the same manner as in Example 1, and the results are shown in Table 1.
Claims (1)
からなる樹脂組成物をマトリックスとし、高強度繊維織
布を強化材とする繊維強化プラスチックからなる耐衝撃
成形物。1. An impact resistant molded article made of a fiber reinforced plastic having a resin composition comprising a phenol resin and polyvinyl abutyral as a matrix and a high strength fiber woven fabric as a reinforcing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24718285A JPH064705B2 (en) | 1985-11-06 | 1985-11-06 | Impact resistant molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24718285A JPH064705B2 (en) | 1985-11-06 | 1985-11-06 | Impact resistant molding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62106932A JPS62106932A (en) | 1987-05-18 |
| JPH064705B2 true JPH064705B2 (en) | 1994-01-19 |
Family
ID=17159657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24718285A Expired - Fee Related JPH064705B2 (en) | 1985-11-06 | 1985-11-06 | Impact resistant molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH064705B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07113066B2 (en) * | 1989-08-25 | 1995-12-06 | 新日鐵化学株式会社 | Phenolic resin prepreg |
| JPH0381341A (en) * | 1989-08-25 | 1991-04-05 | Nippon Steel Chem Co Ltd | Prepreg manufacturing method |
| DE4329890A1 (en) * | 1993-09-06 | 1995-03-09 | Ruetgerswerke Ag | Composites, processes and binders for their manufacture |
-
1985
- 1985-11-06 JP JP24718285A patent/JPH064705B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62106932A (en) | 1987-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |