Abstract:
본 발명의 비할로겐계 난연성 폴리카보네이트 수지 조성물은 (A) 폴리카보네이트 수지 50~99 중량% 및 (B) 고무 변성 스티렌 수지 1~50 중량%로 이루어지는 기초수지 (A)+(B) 100중량부; 및 (C) 2,4-디터셔리부틸페닐 페닐포스페이트 0.5∼50 중량부;로 구성되는 것을 특징으로 한다. 본 발명에 따른 비할로겐계 난연성 폴리카보네이트계 수지 조성물은 화재에 대하여 안정성이 있고, 연소 시에 환경 오염을 야기시키지 않는 환경 친화적인 효과를 얻을 수 있다. 폴리카보네이트계 수지, 고무변성 스티렌계 수지, 2,4-디터셔리부틸페닐 페닐포스페이트, 인계 화합물
Abstract:
PURPOSE: A non-halogenated flame retarding polycarbonate resin composition is provided to have stability to fire and to obtain environment-friendly effect without raising environmental contaminants in combustion. CONSTITUTION: A non-halogenated flame retarding polycarbonate resin composition comprises: base resin 100.0 parts by weight and 2,4-ditertbutylphenyl phenyl phosphate compound 0.5~50 parts by weight. The base resin is comprised of polycarbonate resin 50~99 parts by weight and rubber-modified styrene resin 1~50 parts by weight. The 2,4-ditertbutylphenyl phenyl phosphate compound has a structure of a chemical formula 1.
Abstract:
PURPOSE: A thermoplastic resin composition containing frame retardant and impact modifier is provided to improve flame retardance and impact strength of the thermoplastic resin. CONSTITUTION: A flame retardant and an impact modifier are denoted by chemical formula 1. A method for producing the flame retardant and an impact modifier comprises: a step of reacting 2,4-ditertierybutylphenol with phosphorus oxychloride to prepare 2,4-ditertiarybutylphenyl dichlorophosphate; and a step of reacting phenol to the 2,4-ditertiarybutylphenyl dichlorophosphate. A thermoplastic resin composition contains 100 weight parts of thermoplastic resin and 0.1-30 weight parts of flame retardant and an impact modifier. The thermoplastic resin comprises 70-99 weight% of rubber-modified polystyrene system and 1-30 weight% of polyphenyleneether resin.
Abstract:
A flame retardant styrene resin composition containing symmetric cyclic phosphonate compound is provided to ensure excellent flam resistance and impact strength. A symmetric cyclic phosphonate compound of the chemical formula is produced by reacting a phosphonic dichloride of the chemical formula 2 and a polyol of the chemical formula 3 under the presence of the base. In the chemical formula 1, R1 and R2 are individually hydrogen, alkyl group of C1~C6 or aryl group of C6~C20. A flame retardant styrene resin composition comprises 100 weight part of base resin containing 60-99 weigh% of styrene resin and 1-40 weight% of polyphenylene ether resin, and 0.5-50 weight par of symmetric cyclic phosphonate compounds or their mixture.
Abstract:
A sterically hindered phenolic phosphonate-based flame retardant is provided to ensure excellent fire retardant effect, to prevent environmental contamination, and to be applicable to the thermalplastic flame retardant polycarbonate resin composition. A sterically hindered phenolic phosphonate-based flame retardant has a structure of chemical formula 1. In chemical formula 1, R1 is C1-C6 alkyl and C6-C14 aryl group; R2 is C1-C6 linear alkyl and C3-C6 branched alkyl group; and n is 1-3. A flame retardant polycarbonate-based resin composition comprises a base resin 100.0 parts by weight including a polycarbonate resin; and a sterically hindered phenolic phosphonate-based compound 0.5~20 parts by weight represented by chemical formula 1.
Abstract:
An environment-friendly flame retardant polycarbonate resin composition is provided to ensure the stability to an environment-friendly flame retardant polycarbonate-based resin composition without using a halogen-based flame retardant. A halogen-based flame retardant polycarbonate resin composition comprises a base resin 100.0 parts by weight and a cyclic tertial-butyl phosphonate 0.5-30 parts by weight. The base resin comprises (A) a polycarbonate resin 50-100 weight%, and (B) a rubber-modified aromatic vinyl resin 0-50 weight% and (C) an alkyl (meth) acrylate resin 0-50 weight%. The cyclic t-butyl phosphonate has a structure of the chemical formula 1. In the chemical formula 1, R1 and R2 are H, C1-C6 alkyl and C6-C10 aryl.
Abstract:
A nonhalogenated flame retardant styrene-based resin composition is provided to obtain excellent flame retardancy without using a harmful halogen-based flame retardant. A styrene-based resin composition comprises 100 parts by weight of a base resin which comprises 50-90 parts by weight of a styrene-based resin, and 10-50 parts by weight of a polyphenylene ether resin; 0.1-50 parts by weight of a phosphorus triazine compound represented by the formula 1; and 0.1-30 parts by weight of at least one phosphorus-based compound selected from the group consisting of an alkyl phosphinic acid metal salt, an aromatic phosphoric acid compound and a phosphazene compound.
Abstract:
PURPOSE: A polyphosphonate is provided to remarkably reduce acid value without using an end-capping agent, and to able to provide a flame retardant thermoplastic resin composition having excellent flame retardance, and thermal resistance, and not degrading other physical properties. CONSTITUTION: A polyphosphonate is in chemical formula 1, and has acid value of 5.5 KOH mg/g or less. In chemical formula 1, A is a single bond, C1-5 alkylene, C1-5 alkylidene, C5-6 cycloalkylidene, -S- or -SO2-, R is a substituted or unsubstituted C6-20 aryl group, or a C6-20 substituted or unsubstituted aryloxy group, R1 and R2 is respectively and independently a substituted or unsubstituted C1-6 alkyl group, a substituted or unsubstituted C3-6 cycloalkyl group, a substituted or unsubstituted C6-12 aryl group, or halogen atom, and a and b is respectively an integer from 0-4, and n is an integer from 1-500.
Abstract:
본 발명에 따른 하기 화학식 1로 표시되는 새로운 구조의 디페녹시포스포릴계 난연제를 제공한다. 상기 난연제를 열가소성 수지 조성물에 적용할 경우, 친환경적이며, 우수한 난연성 뿐만 아니라, 개선된 유동성을 부여할 수 있어 가공 시에 잇점이 있다: [화학식 1]
(상기 식에서, R 1 및 R 2 는 각각 독립적으로 H, C 1 -C 6 알킬기이고, n은 0~5의 정수이며, R3는 수소, C 1 -C 6 알킬기 또는 페닐기이고, R4는 수소, 메틸기 또는 페닐기임) 디페녹시포스포릴 난연제, 스티렌계 수지, 폴리페닐렌 에테르 수지, 인계 화합물
Abstract:
본 발명은 하기 화학식 1로 표시되는 난연 및 충격 개선제를 제공한다. 상기 난연 및 충격 개선제는 열가소성 수지의 난연성과 충격강도를 향상시킬 뿐만 아니라, 우수한 내열성, 유동성의 물성발란스를 얻을 수 있다. 본 발명에서는 상기 하기 화학식 1로 표시되는 난연 및 충격 개선제의 새로운 제조방법과 이를 이용한 열가소성 수지 조성물을 제공한다: [화학식 1]