Patent classifications
C08K7/14
STYRENE-BASED RESIN COMPOSITION
A styrene resin composition includes: a resin (A) comprising a styrene resin (A1) having a syndiotactic structure and an aliphatic polyamide (A2); and 0.05 to 0.75% by mass of a metal salt (B) of a higher fatty acid. The mass ratio [(A1)/(A2)] between the styrene resin (A1) and the aliphatic polyamide (A2) in the resin (A) is 25/75 to 55/45.
CASING MEMBER FOR IN-VEHICLE CAMERA AND METHOD OF MANUFACTURING THE SAME
A casing member for an in-vehicle camera, obtained by injection molding a resin composition that comprises 100 to 300 parts by mass of a total of a fibrous inorganic filler and a non-fibrous inorganic filler to 100 parts by mass of a polyarylene sulfide resin and has a content of an elastomer of 10% by mass or less, and satisfying the following conditions (A) and (B). (A) When a molded product of a predetermined shape is injection molded using the resin composition under predetermined conditions, an absolute value of (shrinkage rate in a direction perpendicular to a flow direction)−(shrinkage rate in the flow direction) is 0.5% or less. (B) A water absorption rate of a molded product of a predetermined shape that is injection molded using the resin composition under predetermined conditions is 0.3% or less when subjected to a predetermined hot water immersion test.
CASING MEMBER FOR IN-VEHICLE CAMERA AND METHOD OF MANUFACTURING THE SAME
A casing member for an in-vehicle camera, obtained by injection molding a resin composition that comprises 100 to 300 parts by mass of a total of a fibrous inorganic filler and a non-fibrous inorganic filler to 100 parts by mass of a polyarylene sulfide resin and has a content of an elastomer of 10% by mass or less, and satisfying the following conditions (A) and (B). (A) When a molded product of a predetermined shape is injection molded using the resin composition under predetermined conditions, an absolute value of (shrinkage rate in a direction perpendicular to a flow direction)−(shrinkage rate in the flow direction) is 0.5% or less. (B) A water absorption rate of a molded product of a predetermined shape that is injection molded using the resin composition under predetermined conditions is 0.3% or less when subjected to a predetermined hot water immersion test.
CASING MEMBER FOR IN-VEHICLE CAMERA AND METHOD OF MANUFACTURING THE SAME
A casing member for an in-vehicle camera, obtained by injection molding a resin composition that comprises 100 to 300 parts by mass of a total of a fibrous inorganic filler and a non-fibrous inorganic filler to 100 parts by mass of a polyarylene sulfide resin and has a content of an elastomer of 10% by mass or less, and satisfying the following conditions (A) and (B). (A) When a molded product of a predetermined shape is injection molded using the resin composition under predetermined conditions, an absolute value of (shrinkage rate in a direction perpendicular to a flow direction)−(shrinkage rate in the flow direction) is 0.5% or less. (B) A water absorption rate of a molded product of a predetermined shape that is injection molded using the resin composition under predetermined conditions is 0.3% or less when subjected to a predetermined hot water immersion test.
REINFORCED RESIN COMPOSITION, MOLDED PRODUCT, AND METHOD OF IMPROVING TENSILE STRENGTH AT ELEVATED TEMPERATURES
The present disclosure is directed to provide a reinforced resin composition excellent in mechanical strength at elevated temperatures and a molded product including such a reinforced resin composition. A reinforced resin composition of the present disclosure includes (A) a polyamide; (B) a polyamide; (C) a polyphenylene ether; and (D) an inorganic filler, wherein a mass ratio of the component (C) with respect to 100 parts by mass of a sum of the component (A), the component (B), and the component (C) is from 20 to 50 parts by mass, ΔH.sub.TcMt is 10 J/g or more, and ΔH.sub.MpMt is 35 J/g or less.
REINFORCED RESIN COMPOSITION, MOLDED PRODUCT, AND METHOD OF IMPROVING TENSILE STRENGTH AT ELEVATED TEMPERATURES
The present disclosure is directed to provide a reinforced resin composition excellent in mechanical strength at elevated temperatures and a molded product including such a reinforced resin composition. A reinforced resin composition of the present disclosure includes (A) a polyamide; (B) a polyamide; (C) a polyphenylene ether; and (D) an inorganic filler, wherein a mass ratio of the component (C) with respect to 100 parts by mass of a sum of the component (A), the component (B), and the component (C) is from 20 to 50 parts by mass, ΔH.sub.TcMt is 10 J/g or more, and ΔH.sub.MpMt is 35 J/g or less.
POLYMER COMPOSITION WITH IMPROVED CRYSTALLIZATION SPEED, AND METHOD FOR PREPARING SAME
The present invention relates to a novel polyaryletherketone (PAEK) polymer composition with a significantly increased crystallization rate, and preferably, to a polyetherketoneketone (PEKK) polymer composition. According to the present invention, there is provided a polymer composition including a liquid crystal polymer (LCP), an inorganic nucleating agent, a reinforcing agent, and a filler in polyaryletherketone (PAEK). Therefore, the present invention provides an effect of improving a crystallization rate of the polymer composition and improving molding processability, thereby improving productivity, shape, dimensional stability, or the like of products.
Connected Medical Device Containing a Liquid Crystalline Polymer Composition having a High Dielectric Constant
A medical device capable of transmitting a radiofrequency signal to and/or receiving a radiofrequency signal from an external device is provided. The medical device comprises at least one component that contains a polymer composition that exhibits a dielectric constant of greater than about 6 at a frequency of 2 GHz, wherein the polymer composition includes a liquid crystalline polymer.
Connected Medical Device Containing a Liquid Crystalline Polymer Composition having a High Dielectric Constant
A medical device capable of transmitting a radiofrequency signal to and/or receiving a radiofrequency signal from an external device is provided. The medical device comprises at least one component that contains a polymer composition that exhibits a dielectric constant of greater than about 6 at a frequency of 2 GHz, wherein the polymer composition includes a liquid crystalline polymer.
Connected Medical Device Containing a Liquid Crystalline Polymer Composition having a High Dielectric Constant
A medical device capable of transmitting a radiofrequency signal to and/or receiving a radiofrequency signal from an external device is provided. The medical device comprises at least one component that contains a polymer composition that exhibits a dielectric constant of greater than about 6 at a frequency of 2 GHz, wherein the polymer composition includes a liquid crystalline polymer.