C08L51/04

Heat-resistant resin composition

Provided is a heat-resistant resin composition which includes: a graft copolymer prepared by graft polymerization of a diene-based rubber polymer with an aromatic vinyl-based monomer and a vinyl cyan-based monomer; a first styrene-based copolymer including a maleimide-based unit and an aromatic vinyl-based unit; a second styrene-based copolymer including a vinyl cyan-based unit and an aromatic vinyl-based unit; and a third styrene-based copolymer including a vinyl cyan-based unit and an aromatic vinyl-based unit, wherein the second styrene-based copolymer and the third styrene-based copolymer include a vinyl cyan-based unit in mutually different amounts.

POLYMER COMPOSITE, RUBBER COMPOSITION, AND TIRE
20230220191 · 2023-07-13 · ·

Provided are a polymer composite, a rubber composition, and a tire which can reversibly vary tire performance in response to changes in temperature. The present disclosure relates to a polymer composite formed from at least one conjugated diene polymer having a weight average molecular weight of 100,000 or more as determined by gel permeation chromatography, the polymer composite reversibly satisfying the following relationship (II) with respect to the temperature dependence of contact angles of water at two temperatures differing by at least 10° C.: (II) Temperature dependence of contact angles: (Contact angle at lower temperature)/(Contact angle at higher temperature)×100≤90.

POLYMER COMPOSITE, RUBBER COMPOSITION, AND TIRE
20230220191 · 2023-07-13 · ·

Provided are a polymer composite, a rubber composition, and a tire which can reversibly vary tire performance in response to changes in temperature. The present disclosure relates to a polymer composite formed from at least one conjugated diene polymer having a weight average molecular weight of 100,000 or more as determined by gel permeation chromatography, the polymer composite reversibly satisfying the following relationship (II) with respect to the temperature dependence of contact angles of water at two temperatures differing by at least 10° C.: (II) Temperature dependence of contact angles: (Contact angle at lower temperature)/(Contact angle at higher temperature)×100≤90.

Thermoplastic resin composition and molded article using same

The present invention relates to a thermoplastic resin composition and a molded article using same, the thermoplastic resin composition comprising: (D) 4 to 12 parts by weight of a methyl methacrylate-butadiene-styrene graft copolymer; (E) 0.1 to 0.3 parts by weight of a phosphate-based heat stabilizer; and (F) 25 to 35 parts by weight of an inorganic filler having an average particle diameter (D50) of 1 to 5 μm, with respect to 100 parts by weight of a basic resin including (A) 65 to 75 wt % of a polycarbonate, (B) 20 to 30 wt % of an aromatic vinyl-cyanized vinyl copolymer; and (C) 1 to 10 wt % of a polyethylene terephthalate resin.

Thermoplastic resin composition and molded article using same

The present invention relates to a thermoplastic resin composition and a molded article using same, the thermoplastic resin composition comprising: (D) 4 to 12 parts by weight of a methyl methacrylate-butadiene-styrene graft copolymer; (E) 0.1 to 0.3 parts by weight of a phosphate-based heat stabilizer; and (F) 25 to 35 parts by weight of an inorganic filler having an average particle diameter (D50) of 1 to 5 μm, with respect to 100 parts by weight of a basic resin including (A) 65 to 75 wt % of a polycarbonate, (B) 20 to 30 wt % of an aromatic vinyl-cyanized vinyl copolymer; and (C) 1 to 10 wt % of a polyethylene terephthalate resin.

Thermoplastic resin composition and molded article using same

The present invention relates to a thermoplastic resin composition and a molded article using same, the thermoplastic resin composition comprising: (D) 4 to 12 parts by weight of a methyl methacrylate-butadiene-styrene graft copolymer; (E) 0.1 to 0.3 parts by weight of a phosphate-based heat stabilizer; and (F) 25 to 35 parts by weight of an inorganic filler having an average particle diameter (D50) of 1 to 5 μm, with respect to 100 parts by weight of a basic resin including (A) 65 to 75 wt % of a polycarbonate, (B) 20 to 30 wt % of an aromatic vinyl-cyanized vinyl copolymer; and (C) 1 to 10 wt % of a polyethylene terephthalate resin.

Thermoplastic resin composition with improved UV resistance

Thermoplastic resin composition comprising: (a1) at least one styrene-acrylonitrile copolymer component A1, (a2) at least one acrylonitrile styrene acrylate graft copolymer A2 as impact modifier, (a3) optionally at least one thermoplastic polymer A3 other than components A1 and A2, (b) at least one pigment B, (c) at least one hindered amine UV light stabilizer C, and (d) optionally further polymer additives D, other than components B and C, wherein the UV stabilizing component(s) present in the thermoplastic resin are only hindered amine UV light stabilizer(s) C.

Thermoplastic resin composition with improved UV resistance

Thermoplastic resin composition comprising: (a1) at least one styrene-acrylonitrile copolymer component A1, (a2) at least one acrylonitrile styrene acrylate graft copolymer A2 as impact modifier, (a3) optionally at least one thermoplastic polymer A3 other than components A1 and A2, (b) at least one pigment B, (c) at least one hindered amine UV light stabilizer C, and (d) optionally further polymer additives D, other than components B and C, wherein the UV stabilizing component(s) present in the thermoplastic resin are only hindered amine UV light stabilizer(s) C.

Thermoplastic resin composition with improved UV resistance

Thermoplastic resin composition comprising: (a1) at least one styrene-acrylonitrile copolymer component A1, (a2) at least one acrylonitrile styrene acrylate graft copolymer A2 as impact modifier, (a3) optionally at least one thermoplastic polymer A3 other than components A1 and A2, (b) at least one pigment B, (c) at least one hindered amine UV light stabilizer C, and (d) optionally further polymer additives D, other than components B and C, wherein the UV stabilizing component(s) present in the thermoplastic resin are only hindered amine UV light stabilizer(s) C.

RECLAIMING AGENT AND RECLAIMED RUBBER

A reclaiming agent is formed by grafting thiol groups onto styrene-butadiene rubber (SBR). The reclaiming agent has a weight average molecular weight of 1000 to 120000, which can be a random copolymer or a block copolymer. 100 parts by weight of styrene-butadiene rubber can be reacted with 0.1 to 50 parts by weight of the reclaiming agent to form a reclaimed rubber.