Abstract:
PURPOSE: A polycarbonate resin composition is provided to ensure environment-friendliness while maintaining excellent flame retardancy and heat resistance and to enable the application to the molded products of electric/electronic materials. CONSTITUTION: A polycarbonate resin composition includes 100 parts by weight of a base resin and 0.1~40 parts by weight of a phosphorus compound. The phosphorus compound includes a phosphate-based compound represented by chemical formula 2 and a phosphate-based compound represented by chemical formula 3. The base resin comprises 30~99 weight% of a polycarbonate resin and 1~70 weight% of a rubber-modified aromatic vinyl resin.
Abstract:
본 발명은 하기 화학식 1로 표시되는 대칭성 환형 인계 화합물, 그 제조방법 및 이를 포함한 난연성 스티렌계 수지 조성물을 제공한다. 하기 화학식 1로 표시되는 대칭성 환형 인계 화합물을 적용한 스티렌계 수지 조성물은 난연성이 우수하고, 가공이나 연소 시 할로겐화 가스를 발생시키지 않아 친환경적이며, 뛰어난 충격강도를 갖는다. [화학식 1]
상기 화학식 1에서, R 1 및 R 2 는 서로 독립적으로 수소, C 1 ∼C 6 의 알킬기 또는 C 6 ∼C 20 의 아릴기이다. 대칭성 환형 인계 화합물, 스티렌계 수지, 폴리페닐렌 에테르 수지
Abstract:
PURPOSE: A novel phosphonate compounds and flame retardant thermoplastic resin composition containing the same are provided to ensure stability and strength and to prevent environmental pollution. CONSTITUTION: A phosphonate compound is denoted by chemical formula 1. In chemical formula 1, R1 is alkyl group of C1-C4, phenyl group, or cyano group; and R2 and R3 are independently hydrogen and alkyl of C1-C4. A flame retardant thermoplastic resin composition contains 100 weight parts of thermoplastic resin and 0.5-30 weight parts of phosphonate compounds of chemical formula 1. The composition further contains 1-20 weight parts of phosphate flame retardant compound.
Abstract:
PURPOSE: A diphenoxyphosphoryl flame retardant is provided to obtain excellent flame retardant property, to be environment-friendly used without using a halogen retardant when a resin is processed or combusted, and to enable a user to easily handle the diphenoxyphosphoryl flame retardant due to solid phase. CONSTITUTION: A diphenoxyphosphoryl flame retardant is marked as a chemical formula 1. In the chemical formula 1, R1 and R2 are hydrogen or an alkyl group with C1-C6 and n is integer of 0-5. A method for manufacturing the diphenoxyphosphoryl flame retardant includes a step of reacting a compound of a chemical formula 2 with a diketone compound of a chemical formula 3. In the chemical formula 2, R1 and R2 are hydrogen or the alkyl group with C1-C6.
Abstract:
PURPOSE: A non-halogen flameproof polycarbonate resin composition is provided to have stability to fire, to be environment-friendly used without using a halogen fire retardant, and to obtain excellent fire retardant property using a small amount of the fire retardant. CONSTITUTION: A non-halogen flameproof polycarbonate resin composition comprises 100.0 parts by weight of a base resin and a phosphonate compound which is marked as a chemical formula 1. The base resin is comprised of 50-100.0 parts by weight of a polycarbonate resin and 0-50 parts by weight of a rubber-modified styrene-based resin. In the chemical formula 1, R1 is a phenyl group or a cyano group and R2 and R3 are hydrogen or an alkyl group of C1-C4.
Abstract:
A nonhalogenated flame retardant resin composition is provided to improve the stability to fire, environmental friendliness and impact strength and to enhance molding property by reducing the amount of a polyphenylene ether resin. A nonhalogenated flame retardant resin composition comprises 100 parts by weight of a base resin which comprises 80-99 parts by weight of an aromatic vinyl-based resin, and 1-20 parts by weight of a polyphenylene ether resin; and 0.5-30 parts by weight of a cyclic t-butyl phosphonate compound. Preferably the cyclic t-butyl phosphonate compound is represented by the formula 1, wherein R1 and R2 are H, a C1-C6 alkyl group or a C6-C10 aryl group. Preferably the aromatic vinyl-based resin is a polymer of rubber and an aromatic monoalkenyl monomer; and the polyphenylene ether resin is poly(2,6-dimethyl-1,4-phenylene) ether.
Abstract:
An aromatic vinyl copolymer of the present invention has excellent transparency and thermal resistance and is a copolymer of a monomer mixture including: and exo-methylene butyrolactone compound represented by chemical formula 1; an aromatic vinyl compound; and a vinyl cyanide compound. In chemical formula 1, R_1 and R_2 are a hydrogen atom, an alkyl group of C1-C12 or an aryl group of C6-C12, respectively.
Abstract:
본 발명은 하기 화학식 1의 비스하이드록시아릴실록산 및 그의 제조 방법에 관한 것이다. [화학식 1]
(상기 식에서, R 1 및 R 2 은 각각 독립적으로 C1-C10 알킬기, C6-C18 아릴기, 또는 할로겐 또는 알콕시를 가지는 C1-C10 알킬기 또는 C6-C18 아릴기이고, A는 C1-C10 알킬렌기, C6-C18 아릴렌기, 또는 -O- 또는 -S- 를 갖는 C1-C10 알킬렌기 또는 C6-C18 아릴렌기이고, Z는 치환 또는 비치환 C1-C18 알킬렌기, 치환 또는 비치환 C6-C18 시클로알킬렌기, 또는 치환 또는 비치환 C6-C18 아릴렌기이고, 상기 치환기는 C1-C6 알킬기, C6-C18 아릴기 또는 할로겐을 포함할 수 있고, Y는 H, 할로겐, C1-C18 알콕시, C1-C10 알킬기 또는 C6-C18 아릴기이고, n은 4 내지 100의 정수이다.)
Abstract:
본 발명은 하기 화학식 1로 표시되는 포스포네이트계 화합물을 제공한다. 또한, 본 발명은 (A) 스티렌계 수지, (B) 폴리페닐렌 에테르 수지, (C) 하기 화학식 1로 표시되는 포스포네이트계 화합물로 이루어지는 것을 특징으로 하는 난연성 스티렌계 수지 조성물을 제공한다
상기 식에서, R 2 는 C 1 -C 4 의 알킬, 페닐메틸 또는 시아노메틸기이다. 상기 본 발명에 따른 난연성 스티렌계 수지 조성물은 화재에 대하여 안정성이 있고, 할로겐계 난연제를 사용하지 않아 연소 시 환경오염을 발생시키지 않아 환경 친화적이며, 강도가 우수한 비할로겐계 난연성 스티렌계 수지 조성물을 제공한다. 스티렌계 수지, 폴리페닐렌에테르, (1,1'-바이나프탈렌-2,2'-디옥시)페닐메틸 포스포네이트, (1,1'-바이나프탈렌-2,2'-디옥시)시아노메틸 포스포네이트, 인계 화합물, 난연, Flame retardant