摘要:
A flame-retardant thermoplastic resin composition comprising (A) 100 weight parts of a thermoplastic resin, (B) 10 to 300 weight parts of particulate metal hydroxide; (C) 0.01 to 50 weight parts of a branched polyorganosiloxane having alkoxy groups and described by average unit formula R1a(R2O)bSiO(4−a−b)/2, where R1 and R2 are monovalent hydrocarbon groups selected from the group consisting of alkyl, alkenyl, and aryl groups, a is 0 or a positive number; b is a positive number; and a+b is a number from 0.75 to 2.5; (D) 0.01 to 50 weight parts of a branched polyorganosiloxane having silanol groups and described by average unit formula R3a(HO)bSiO(4−a−b)/2, where R3 is a monovalent hydrocarbon group selected from the group consisting of alkyl, alkenyl, and aryl groups, a is 0 or a positive number, b is a positive number, and a+b is a number from 0.75 to 2.5; and (E) 0.01 to 10 weight parts of a condensation reaction promoting catalyst. The present invention further relates to a method for manufacturing the flame-retardant thermoplastic resin composition.
摘要:
A flame-retardant polyolefin-type resin composition comprising (A) 100 weight parts polyolefin-type resin, (B) 30 to 200 weight parts powder of a hydrated metal compound, and (C) 0.01 to 50 weight parts branched organopolysiloxane with average unit formula RaSiO(4−a)/2 where each R is a selected from the group consisting of monovalent organic groups selected from the group consisting of C1 to C12 alkyl and C6 to C12 aryl and hydroxyl, wherein aryl constitutes from 50 to 100 mole % of the total monovalent organic groups and the hydroxyl content in each molecule is from 1 to 10 weight %, a is a number from 0.75 to 2.5, and the organopolysiloxane contains at least one RSiO3/2 siloxane unit in each molecule, where R is as previously described. The composition is useful as a flame-retardant coating on electrical cables.
摘要:
A flame retardant organic resin composition comprising (A) 100 parts by weight of an aromatic ring-containing organic resin and (B) 0.01-50 parts by weight of a branched organopolysiloxane described by average molecular formula (R13SiO1/2)a(R2SiO3/2)b(SiO4/2)c(R3O1/2)d(HO1/2)e, where each R1 is independently selected from alkyl groups comprising 1 to 12 carbon atoms and alkenyl groups comprising 2 to 12 carbon atoms; each R2 is independently selected from alkyl groups comprising 1 to 12 carbon atoms, alkenyl groups comprising 2 to 12 carbon atoms, and aryl groups comprising 6 to 12 carbon atoms, where the aryl groups of R2 are at least 30 mol % based on total monovalent hydrocarbon in R1 and R2, R3 represents an alkyl group, subscripts a and b are positive numbers, and subscripts c, d, and e are 0 or positive numbers.
摘要翻译:一种阻燃有机树脂组合物,其包含(A)100重量份的含芳环的有机树脂和(B)0.01-50重量份的由平均分子结构域所述的支链有机基聚硅氧烷,每个R 1独立地选自烷基, 1至12个碳原子和2至12个碳原子的链烯基; 每个R 2独立地选自包含1至12个碳原子的烷基,包含2至12个碳原子的烯基和包含6至12个碳原子的芳基,其中R 2的芳基基于总单价为至少30摩尔% R 1和R 2中的烃,R 3表示烷基,下标a和b为正数,下标c,d和e为0或正数。
摘要:
An additive for organic resin comprising a powder comprising (A) a liquid organopolysiloxane having at least 0.001 wt % of silicon-bonded hydrogen atoms and at least 50 dimethylsiloxy repeating units and (B) an inorganic powder; and an organic resin comprising the additive.
摘要:
A thermoplastic resin composition comprising (A) 100 weight parts thermoplastic resin, (B) 0.1 to 100 weight parts of a mixture of (b-1) thermoplastic resin and (b-2) polyorganosiloxane that has a viscosity at 25° C. of at least 1,000,000 mPa·s, and (C) 0.1 to 100 weight parts polyorganosiloxane-bonded thermoplastic resin in which (c-1) thermoplastic resin and (c-2) polyorganosiloxane are chemically bonded to each other.
摘要:
The present invention relates to a silicone resin composition of low melt viscosity and excellent reactivity and dispersibility in organic resins. The present invention also relates to a curable resin composition for forming a cured resin of excellent moldability and superior flame retardant properties while having little adverse impact on the human body and the environment as a result of containing no antimony oxides or halogenated epoxy resins. The present invention also relates to a cured resin having little adverse impact on the human body or the environment and possessing superior flame retardant properties.
摘要:
A curable epoxy resin composition comprising at least: (A) a crystalline epoxy resin, (B) a phenol resin, and (C) a silicone resin composed of epoxy-containing organic groups and phenyl groups that define an average unit formula of this component. Component (C) is used in an amount of 0.1 to 500 parts by weight for 100 parts by weight of the sum of weights of components (A) and (B). The composition of the invention is suitable for transfer and injection molding and may find use as a curable epoxy resin composition for sealing parts of electrical and electronic devices.
摘要:
The present invention relates to a silicone resin composition of low melt viscosity and excellent reactivity and dispersibility in organic resins. The present invention also relates to a curable resin composition for forming a cured resin of excellent moldability and superior flame retardant properties while having little adverse impact on the human body and the environment as a result of containing no antimony oxides or halogenated epoxy resins. The present invention also relates to a cured resin having little adverse impact on the human body or the environment and possessing superior flame retardant properties.
摘要:
A silicone resin composition comprising a mixture or a reaction mixture of (A) a silicone resin having a softening point above 25° C. and represented by the following average unit formula: (R1SiO3/2)a(R22SiO2/2)b(R33SiO1/2)c(SiO4/2)d(XO1/2)e, and (B) an epoxy-containing alkoxysilane, is characterized by low melt viscosity, excellent reactivity and dispersibility in organic resins; to provide a curable resin composition which is capable of forming a cured resin with excellent flame retardant properties and is free of antimony oxides or halogenated epoxy resins and therefore does not produce a harmful influence on the human body or the environment.
摘要:
A silicone-containing polyimide resin, a silicone-containing polyamic acid, and methods for manufacturing these. More particularly, a silicone-containing polyimide resin with superior heat resistance and flexibility, a silicone-containing polyamic acid for which this polyimide resin is a raw material, and methods for manufacturing these.