C08L69/00

ANTISTATIC AGENT, ANTISTATIC RESIN COMPOSITION, AND MOLDED PRODUCT

An object of the present invention is to provide an antistatic agent which imparts excellent antistatic properties to thermoplastic resins. The antistatic agent of the present invention contains a block polymer (A) having a block of a polyamide (a) and a block of a hydrophilic polymer (b) as structure units; and an amide-forming monomer (c), wherein a weight ratio of the amide-forming monomer (c) to the block polymer (A), i.e., amide-forming monomer (c)/block polymer (A), is 2/98 to 12/88.

FLAME-RETARDANT POLYCARBONATE COMPOSITION
20230212389 · 2023-07-06 ·

The present invention relates to a flame-retardant polycarbonate composition comprising the following components:

A) 50-90 parts by weight of aromatic polycarbonate,
B) 3-20 parts by weight of non-core-shell impact modifier,
C) 2-15 parts by weight of at least one cyclic phosphazene of formula (V):

##STR00001##

where
k is an integer from 1 to 10, the trimer content (k=1) being more than 98 mol %, based on component C, and where
R are in each case identical or different and are an amine radical, C.sub.1-C.sub.8-alkyl in each case optionally halogenated, C.sub.1-C.sub.8-alkoxy, C.sub.5-C.sub.6-cycloalkyl in each case optionally substituted by alkyl and/or halogen, C.sub.6-C.sub.20-aryloxy in each case optionally substituted by alkyl and/or halogen, and/or hydroxyl, C.sub.7-C.sub.12-aralkyl in each case optionally substituted by alkyl and/or halogen, a halogen radical, or an OH radical,
D) 0-30 parts by weight of filler,
E) 0.05-5 parts by weight of antidripping agent; and
F) 0-15 parts by weight of additional additives,
the total weight of the composition is 100 parts by weight,
preferably, the composition consists to at least 90 wt. %, more preferably at least 95 wt. %, most preferably 100 wt % of components A-F, relative to the total weight of the composition.

The present invention also relates to a shaped article produced from the composition. The polycarbonate composition according to the present invention has a good combination of flame retardancy, hydrolytic stability and impact resistance, meanwhile there is no feeding issue during its production.

FLAME-RETARDANT POLYCARBONATE COMPOSITION
20230212389 · 2023-07-06 ·

The present invention relates to a flame-retardant polycarbonate composition comprising the following components:

A) 50-90 parts by weight of aromatic polycarbonate,
B) 3-20 parts by weight of non-core-shell impact modifier,
C) 2-15 parts by weight of at least one cyclic phosphazene of formula (V):

##STR00001##

where
k is an integer from 1 to 10, the trimer content (k=1) being more than 98 mol %, based on component C, and where
R are in each case identical or different and are an amine radical, C.sub.1-C.sub.8-alkyl in each case optionally halogenated, C.sub.1-C.sub.8-alkoxy, C.sub.5-C.sub.6-cycloalkyl in each case optionally substituted by alkyl and/or halogen, C.sub.6-C.sub.20-aryloxy in each case optionally substituted by alkyl and/or halogen, and/or hydroxyl, C.sub.7-C.sub.12-aralkyl in each case optionally substituted by alkyl and/or halogen, a halogen radical, or an OH radical,
D) 0-30 parts by weight of filler,
E) 0.05-5 parts by weight of antidripping agent; and
F) 0-15 parts by weight of additional additives,
the total weight of the composition is 100 parts by weight,
preferably, the composition consists to at least 90 wt. %, more preferably at least 95 wt. %, most preferably 100 wt % of components A-F, relative to the total weight of the composition.

The present invention also relates to a shaped article produced from the composition. The polycarbonate composition according to the present invention has a good combination of flame retardancy, hydrolytic stability and impact resistance, meanwhile there is no feeding issue during its production.

FLAME-RETARDANT POLYCARBONATE COMPOSITION
20230212389 · 2023-07-06 ·

The present invention relates to a flame-retardant polycarbonate composition comprising the following components:

A) 50-90 parts by weight of aromatic polycarbonate,
B) 3-20 parts by weight of non-core-shell impact modifier,
C) 2-15 parts by weight of at least one cyclic phosphazene of formula (V):

##STR00001##

where
k is an integer from 1 to 10, the trimer content (k=1) being more than 98 mol %, based on component C, and where
R are in each case identical or different and are an amine radical, C.sub.1-C.sub.8-alkyl in each case optionally halogenated, C.sub.1-C.sub.8-alkoxy, C.sub.5-C.sub.6-cycloalkyl in each case optionally substituted by alkyl and/or halogen, C.sub.6-C.sub.20-aryloxy in each case optionally substituted by alkyl and/or halogen, and/or hydroxyl, C.sub.7-C.sub.12-aralkyl in each case optionally substituted by alkyl and/or halogen, a halogen radical, or an OH radical,
D) 0-30 parts by weight of filler,
E) 0.05-5 parts by weight of antidripping agent; and
F) 0-15 parts by weight of additional additives,
the total weight of the composition is 100 parts by weight,
preferably, the composition consists to at least 90 wt. %, more preferably at least 95 wt. %, most preferably 100 wt % of components A-F, relative to the total weight of the composition.

The present invention also relates to a shaped article produced from the composition. The polycarbonate composition according to the present invention has a good combination of flame retardancy, hydrolytic stability and impact resistance, meanwhile there is no feeding issue during its production.

Masterbatch, resin molding material, molded body, methods for manufacturing the masterbatch, the resin molding material, and the molded body, and method for evaluating masterbatch
11548988 · 2023-01-10 · ·

The masterbatch contains a black pigment and a masterbatch thermoplastic resin, the masterbatch satisfying the following conditions: (Conditions) when a resin plate is produced by kneading 100 parts by weight of polypropylene having a melt flow rate of 30 g/10 min (JIS K7210:1999) and a density of 0.9 g/cm.sup.3 (JIS K7112:1999) with respect to 3 parts by weight of the masterbatch and subjecting the mixture to injection molding using a mold polished by a coated abrasive with a particle size of #800 (JIS R6001:1998), a* values and b* values of a surface of the resin plate in the L*a*b* color system satisfy specific conditions.

Masterbatch, resin molding material, molded body, methods for manufacturing the masterbatch, the resin molding material, and the molded body, and method for evaluating masterbatch
11548988 · 2023-01-10 · ·

The masterbatch contains a black pigment and a masterbatch thermoplastic resin, the masterbatch satisfying the following conditions: (Conditions) when a resin plate is produced by kneading 100 parts by weight of polypropylene having a melt flow rate of 30 g/10 min (JIS K7210:1999) and a density of 0.9 g/cm.sup.3 (JIS K7112:1999) with respect to 3 parts by weight of the masterbatch and subjecting the mixture to injection molding using a mold polished by a coated abrasive with a particle size of #800 (JIS R6001:1998), a* values and b* values of a surface of the resin plate in the L*a*b* color system satisfy specific conditions.

POLYCARBONATE COMPOSITION AND MOLDED ARTICLES THEREOF

The present disclosure relates to a polycarbonate composition. The polycarbonate composition is a composition in which polyalkylene glycol end-capped with a specific compound is blended in polycarbonate together with two specific antioxidants in a predetermined amount, and can provide a molded article which has high light transmittance, is transparent and particularly has excellent long-term color stability.

POLYCARBONATE COMPOSITION AND MOLDED ARTICLES THEREOF

The present disclosure relates to a polycarbonate composition. The polycarbonate composition is a composition in which polyalkylene glycol end-capped with a specific compound is blended in polycarbonate together with two specific antioxidants in a predetermined amount, and can provide a molded article which has high light transmittance, is transparent and particularly has excellent long-term color stability.

POLYCARBONATE COMPOSITION AND MOLDED ARTICLES THEREOF

The present disclosure relates to a polycarbonate composition. The polycarbonate composition is a composition in which polyalkylene glycol end-capped with a specific compound is blended in polycarbonate together with two specific antioxidants in a predetermined amount, and can provide a molded article which has high light transmittance, is transparent and particularly has excellent long-term color stability.

Polyorganosiloxane-containing graft copolymer powder, and resin composition using the same, and molded article formed of the same

An object of the present invention is to provide a polyorganosiloxane-containing graft copolymer powder capable of providing a resin composition and a molded article which are excellent in balance between colorability and mechanical properties such as impact resistance. The polyorganosiloxane-containing graft copolymer powder according to the present invention is a graft copolymer powder obtained by graft-polymerizing a mixture (B) of a vinyl monomer (b1) having an epoxy group and another vinyl monomer (b2) to a rubber (A) containing a polyorganosiloxane, wherein the content of the polyorganosiloxane (A1) contained in the rubber (A) is 12 to 50% by mass, the mass average particle diameter of the polyorganosiloxane-containing graft copolymer powder is 300 to 2000 nm, and the epoxy equivalent of the polyorganosiloxane-containing graft copolymer powder is 2500 to 7800 g/eq.