KR920000930B1 - Polyester resin composition - Google Patents
Polyester resin composition Download PDFInfo
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- KR920000930B1 KR920000930B1 KR1019880008694A KR880008694A KR920000930B1 KR 920000930 B1 KR920000930 B1 KR 920000930B1 KR 1019880008694 A KR1019880008694 A KR 1019880008694A KR 880008694 A KR880008694 A KR 880008694A KR 920000930 B1 KR920000930 B1 KR 920000930B1
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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Abstract
Description
본 발명은 폴리에스테르수지 조성물에 관한 것으로, 특히 내충격성을 증가시키면서 열안정성과 내적하(NON-DRIPPING)특성 및 인장강도를 증가시키기 위하여 무기물, 할로겐화 폴리에틸렌 및 가교제를 첨가한 폴리에스테르수지 조성물에 관한 것이다.The present invention relates to a polyester resin composition, and more particularly to a polyester resin composition added with an inorganic substance, a halogenated polyethylene, and a crosslinking agent to increase thermal stability, NON-DRIPPING characteristics and tensile strength while increasing impact resistance. will be.
방향족 폴리에스테르는 내용제성, 내수성, 내산화성, 내마모성 및 전기적 특성이 우수하여 필름, 섬유등에 대량 사용되고 있으며 최근에는 성형용으로 유리섬유 강화, 난연성을 부여하기 위하여 난연제를 함유한 제품과 내충격성을 높인 제품이 사용되고 있다.Aromatic polyesters have high solvent resistance, water resistance, oxidation resistance, abrasion resistance, and electrical properties, so they are used in large quantities in films, fibers, etc. Recently, in order to impart glass fiber reinforcement and flame resistance for molding, The product is being used.
미국특허 제4,080,354호, 제4,096,202호와 제4,629,750호 등에 의하면 노치(NOTCH)형 충격강도를 향상시키기 위하여 스치렌-프로필렌-부타디엔 공중합체 충격 향상제와 코어쉘(CORE-SHELL)형 충격향상제 및 요드화구리(COPROUS IODIDE)등이 널리 사용되어 지고 있다.According to U.S. Patent Nos. 4,080,354, 4,096,202 and 4,629,750, the styrene-propylene-butadiene copolymer impact modifier and the core shell (CORE-SHELL) impact modifier and iodide are used to improve the notch impact strength. Copper (COPROUS IODIDE) is widely used.
그러나, 상술한 올레핀 형태의 충격향상제를 사용한 경우에는 열안정성의 내적하성(NON-DRIPPING) 및 인장강도가 저하된다.However, when the above-described olefin type impact modifier is used, the thermal stability load resistance (NON-DRIPPING) and tensile strength are lowered.
이와는 달리 본 발명에서는 열안정성, 내적하성, 인장강도 특성을 개선하기 위하여 유리섬유, 난연제, 충격향상제와 더불어 무기첨가제, 할로겐화 폴리에틸렌, 크실렌-디클로라이드(XYLENE DICHLORIDE)를 포함하는 폴리에스테르수지 조성물에 관한 것이다.In contrast, the present invention relates to a polyester resin composition comprising an inorganic additive, a halogenated polyethylene, and xylene-dichloride (XYLENE DICHLORIDE) together with glass fibers, flame retardants, and impact modifiers to improve thermal stability, load resistance, and tensile strength properties. will be.
방향족 폴리에스테르의 제조는 특별한 방법이 아닌 일반적인 방법으로 수행되어 진다.The preparation of the aromatic polyester is carried out in a general manner, not in a special manner.
일반적인 방법중의 한가지에는 파우더(Powder)와 그래뉼(Granul) 혹은 펠레트(Pellet)상태의 폴리에스테르를 압출기를 통하여 혼련한후, 혼련된 폴리에스테르를 적당한 모양으로 자르는 방법이다.One of the common methods is to mix powder and granule or pellets of polyester in an extruder, and then cut the blended polyester into a suitable shape.
본 발명에 사용된 폴리에스테르는 폴리부틸렌테레프탈레이트 단독 혹은 기타의 글리콜류와 공중합한 폴리에스테르 10∼80중량%, 유리섬유 5∼55중량%, 할로겐원소 함유 유기난연제 3∼20중량%, 난연향상제 1∼10중량% 그리고 무기첨가제 1∼10중량%, 복합 또는 별도로 할로겐화 폴리에틸렌 1∼10중량, 복합 또는 별도로 크실렌 디크로라이트 1∼10중량%로 이루어진 폴리에스테르 조성물에 관한 것이다.The polyester used in the present invention is 10 to 80% by weight of polybutylene terephthalate alone or copolymerized with other glycols, 5 to 55% by weight of glass fiber, 3 to 20% by weight of halogen element-containing organic flame retardant, flame retardant It relates to a polyester composition consisting of 1 to 10% by weight of an improving agent and 1 to 10% by weight of an inorganic additive, 1 to 10% by weight of a composite or separately halogenated polyethylene, and 1 to 10% by weight of a composite or separately of xylene dichromite.
또한 본 발명에 사용된 폴리에스테르는 폴리부틸렌테레프탈레이트나 혹은 기타의 글리콜인 에틸렌글리콜, 1,4-시크로헥산 디메탄올등이 1∼50% 공중합된 것으로 고유점도는 최하 0.5dl/g이며, 융점이 약 230℃인 것이고, 유리섬유는 길이가 약 0.69Cm이며, 중합체를 유리표면에 강력히 결합시키기 위하여 공지된 결합체와 함께 처리하여도 된다.In addition, the polyester used in the present invention is a copolymer of polybutylene terephthalate or other glycols such as ethylene glycol, 1,4-cyclohexane dimethanol, 1-50%, and has an intrinsic viscosity of at least 0.5 dl / g. The melting point is about 230 ° C., and the glass fiber is about 0.69 cm in length, and may be treated with a known binder to strongly bond the polymer to the glass surface.
본 발명에 사용된 할로겐화 유기난연제는 할로겐화 디페닐에테르류, 또한 다른 난연제로는 할로겐화 폴리스티렌 또는 할로겐화 폴리카르보네이트 올리고머등이 사용된다.Halogenated organic flame retardants used in the present invention include halogenated diphenyl ethers, and halogenated polystyrenes or halogenated polycarbonate oligomers are used as other flame retardants.
또한 난연성을 향상시키기 위하여 난연향상제가 사용되며 그중 안티몬 화합물이 사용된다. 이들 안티몬 화합물은 특별한 것이 아니며, 삼산화 안티몬(Sb2O3), NaSb2O3, KSb(OH)6등이 사용가능하다.In addition, a flame retardant improver is used to improve the flame retardancy, of which antimony compounds are used. These antimony compounds are not special, and antimony trioxide (Sb 2 O 3 ), NaSb 2 O 3 , KSb (OH) 6 and the like can be used.
또한 산화방지제로는 페놀유도체와 인화합물이 복합 또는 단독으로 사용된다.In addition, as the antioxidant, a phenol derivative and a phosphorus compound are used in combination or alone.
본 발명에 사용된 내충격 향상제로는 콘듀케이트디엔 혹은 아크릴레이트 에라스토머와 방향족 비닐의 공중합체 또는 콘듀게이트디엔 혹은 아크릴레이트 에라스토머의 단독 중합체에 아크릴 또는 메타크릴을 그라프트 공중합한 것이다.The impact modifier used in the present invention is a graft copolymer of acryl or methacryl in a copolymer of a condensate diene or an acrylate elastomer with an aromatic vinyl or a homopolymer of a conduit diene or an acrylate elastomer.
또한, 본 발명에는 열안정성을 높이기 위하여 무기첨가제가 사용되며, 이의 일반 구조식의 하기(I)과 같다.In addition, in the present invention, an inorganic additive is used to increase thermal stability, and the general structural formula thereof is as follows (I).
여기서 M은 Na, Mg, K, Fe, Cu등을 표시한다.M represents Na, Mg, K, Fe, Cu, and the like.
또한 본 발명에 사용된 적하방지제로는 할로겐화 폴리에틸렌이 사용되며, 그 일반 구조식은 하기(II)와 같다.In addition, as the anti-dripping agent used in the present invention, halogenated polyethylene is used, and the general structural formula thereof is as follows (II).
여기서, R은 각기 같거나 다른 할로겐 원소의 라디칼을 의미한다.Here, R means radicals of the same or different halogen elements.
또한 인장강도를 높이기 위하여 강화제인 크실렌 디크로라이드도 사용된다.In addition, xylene dichloride, a reinforcing agent, is used to increase the tensile strength.
이하 본 발명을 그 실시예에 따라 상술하면 다음과 같다. 실시예에서 모든부는 중량%, 중량단위는 g, 온도는 섭씨온도를 나타낸다.Hereinafter, the present invention will be described in detail according to the embodiments. In the examples, all parts are weight percent, weight units are g, and temperature is degrees Celsius.
[실시예 1∼4]EXAMPLES 1-4
사용된 수지는 고유점도 약 0.6dl/g의 폴리부틸렌테레프탈레이트로 용융점 약 200℃인 것을 120℃에서 5시간 건조시킨 것이다.The resin used was a polybutylene terephthalate having an intrinsic viscosity of about 0.6 dl / g and was dried at 120 ° C for 5 hours at a melting point of about 200 ° C.
기타 조성물로는 길이가 0.69cm인 유리섬유, 난연제로 불소치환된 폴리카보네이트 올리고머, 난연향상제로 삼산화 안티몬, 산화방지제로 Ciba-Geigy사의 제품인 Irganox X B225, 충격 향상제로 스티렌과 아크릴레이트 공중합체 메타크릴아 그라프트 공중합된 것을 사용하였으며, 열적안정제로는 Na2O·52Al2O3·44SiO2·2TiO2, 적하방지제로는 폴리테트라 플루오로 에틸렌 수지, 경화제로는 크실렌 디클로라이드를 사용하고 그들의 조성비는 표 1과 같다.Other compositions include glass fibers of length 0.69 cm, polycarbonate oligomers fluorinated with flame retardants, antimony trioxide as flame retardants, Irganox X B225 from Ciba-Geigy as antioxidants, styrene and acrylate copolymer methacryl as impact modifiers A graft copolymer was used, and Na 2 O · 52Al 2 O 3 · 44SiO 2 · 2TiO 2 was used as the thermal stabilizer, polytetrafluoroethylene resin was used as the antidropping agent, and xylene dichloride was used as the curing agent. Is shown in Table 1.
이것들의 건조 혼합물을 용융온도 약 250℃에서 83mm 쌍나사 압출기로 압출한 다음, 용융 압출물을 절단한 펠레트를 약 120℃ 진공오븐에서 5시간 건조시키고, 5온스 사출성형기로 노즐온도 250℃, 사출압 45기압에서 그리고 공동의 온도 80℃조건하에서 성형하여 시편을 제조하였다.The dried mixture was extruded with a 83 mm twin screw extruder at a melting temperature of about 250 ° C., and then the pellets obtained by cutting the molten extrudate were dried in a vacuum oven at about 120 ° C. for 5 hours, and a nozzle temperature of 250 ° C. with a 5 oz injection molding machine. Specimens were prepared by molding at an injection pressure of 45 atmospheres and under a cavity temperature of 80 ° C.
제조된 시편의 인장강도, 난연성 및 충격강도를 본 발명이 속하는 기술분야에서 통상적으로 사용되는 방법을 사용하여 측정하고, 그 결과 표 1에 기재하였다.Tensile strength, flame retardancy and impact strength of the prepared specimens were measured using methods commonly used in the art to which the present invention pertains, and the results are shown in Table 1.
[표 1]TABLE 1
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019880008694A KR920000930B1 (en) | 1988-07-13 | 1988-07-13 | Polyester resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019880008694A KR920000930B1 (en) | 1988-07-13 | 1988-07-13 | Polyester resin composition |
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| Publication Number | Publication Date |
|---|---|
| KR900001785A KR900001785A (en) | 1990-02-27 |
| KR920000930B1 true KR920000930B1 (en) | 1992-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019880008694A KR920000930B1 (en) | 1988-07-13 | 1988-07-13 | Polyester resin composition |
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| KR (1) | KR920000930B1 (en) |
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- 1988-07-13 KR KR1019880008694A patent/KR920000930B1/en not_active IP Right Cessation
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| KR900001785A (en) | 1990-02-27 |
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