C08K5/527

CONDUCTIVE FILM FOR ANTENNAS, AND ANTENNA

Provided is a conductive film for antennas, in which a conducting film and a substrate made of a polycarbonate resin material containing a polycarbonate resin are laminated, and the polycarbonate resin contains, as main constituent units, a unit (A) represented by the following formula (1) and/or a unit (B) represented by the following formula (2). The conductive film for antennas has low dielectric characteristics and bendability, can form an antenna with a low transmission loss, and has excellent adhesion to the conducting film.

##STR00001##

(In the formula (1), R.sub.1 and R.sub.2 each independently represent an alkyl group having 1 to 6 carbon atoms or a halogen atom, and R.sub.3 and R.sub.4 each independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a halogen atom.)

##STR00002##

(In the formula (2), R.sup.1 and R.sup.2 each independently represent an alkyl group having 1 to 6 carbon atoms or a halogen atom, R.sup.3 and R.sup.4 each independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a halogen atom, R.sup.3 represents a halogen atom, an alkyl group having 1 to 20 carbon atoms, or a cycloalkyl group having 3 to 20 carbon atoms, and n represents an integer of 0 to 10.)

CRYSTAL NUCLEATING AGENT FOR POLYOLEFIN RESIN, METHOD FOR PRODUCING CRYSTAL NUCLEATING AGENT FOR POLYOLEFIN RESIN, AND METHOD FOR IMPROVING FLUIDITY OF CRYSTAL NUCLEATING AGENT FOR POLYOLEFIN RESIN

The present invention aims to provide a method for improving the fluidity of a crystal nucleating agent for polyolefin resins without impairing other properties, and a polyolefin resin composition containing the crystal nucleating agent with improved fluidity and having excellent properties including transparency, and a molded article thereof. Adjustment to specific characteristics can improve the fluidity of a crystal nucleating agent for polyolefin resins, and the use of such a crystal nucleating agent having specific characteristics remarkably improves the workability during molding processing and provides a polyolefin resin composition excellent in properties such as transparency, and a molded article thereof.

CRYSTAL NUCLEATING AGENT FOR POLYOLEFIN RESIN, METHOD FOR PRODUCING CRYSTAL NUCLEATING AGENT FOR POLYOLEFIN RESIN, AND METHOD FOR IMPROVING FLUIDITY OF CRYSTAL NUCLEATING AGENT FOR POLYOLEFIN RESIN

The present invention aims to provide a method for improving the fluidity of a crystal nucleating agent for polyolefin resins without impairing other properties, and a polyolefin resin composition containing the crystal nucleating agent with improved fluidity and having excellent properties including transparency, and a molded article thereof. Adjustment to specific characteristics can improve the fluidity of a crystal nucleating agent for polyolefin resins, and the use of such a crystal nucleating agent having specific characteristics remarkably improves the workability during molding processing and provides a polyolefin resin composition excellent in properties such as transparency, and a molded article thereof.

POLYAMIDE RESIN, POLYAMIDE RESIN COMPOSITION, AND MOLDED ARTICLE
20230220160 · 2023-07-13 ·

Provided are a polyamide resin having high crystallinity, a high glass transition temperature, and a low mass loss rate, and a polyamide resin composition and a molded article in which the polyamide resin is used. The polyamide resin includes a diamine-derived structural unit and a dicarboxylic acid-derived structural unit, in which 50 mol % or more of the diamine-derived structural units are structural unit derived from p-benzenediethanamine, and of the dicarboxylic acid-derived structural units, from not less than 20 mol % to less than 95 mol % are structural units derived from an aromatic dicarboxylic acid and from more than 5 mol % to not more than 80 mol % are structural units derived from an α,ω-linear aliphatic dicarboxylic acid having from 4 to 15 carbons.

POLYAMIDE RESIN, POLYAMIDE RESIN COMPOSITION, AND MOLDED ARTICLE
20230220160 · 2023-07-13 ·

Provided are a polyamide resin having high crystallinity, a high glass transition temperature, and a low mass loss rate, and a polyamide resin composition and a molded article in which the polyamide resin is used. The polyamide resin includes a diamine-derived structural unit and a dicarboxylic acid-derived structural unit, in which 50 mol % or more of the diamine-derived structural units are structural unit derived from p-benzenediethanamine, and of the dicarboxylic acid-derived structural units, from not less than 20 mol % to less than 95 mol % are structural units derived from an aromatic dicarboxylic acid and from more than 5 mol % to not more than 80 mol % are structural units derived from an α,ω-linear aliphatic dicarboxylic acid having from 4 to 15 carbons.

RESIN COMPOSITION, MOLDED ARTICLE THEREOF, AND METHOD FOR PRODUCING SAID RESIN COMPOSITION
20230009252 · 2023-01-12 · ·

Provided are a resin composition that is capable of imparting excellent mechanical strength to a molded article and has excellent dimensional stability during molding, a molded article thereof, and a method for producing the resin composition. For a resin composition containing a polyolefin-based resin and a nucleating agent, a ratio t2/t1 between an isothermal crystallization time t2 at 135° C. of the resin composition and an isothermal crystallization time t1 at 135° C. of a nucleating agent-free resin composition having the same formulation as the resin composition except that the nucleating agent is not contained is 0.45 or more.

RESIN COMPOSITION, MOLDED ARTICLE THEREOF, AND METHOD FOR PRODUCING SAID RESIN COMPOSITION
20230009252 · 2023-01-12 · ·

Provided are a resin composition that is capable of imparting excellent mechanical strength to a molded article and has excellent dimensional stability during molding, a molded article thereof, and a method for producing the resin composition. For a resin composition containing a polyolefin-based resin and a nucleating agent, a ratio t2/t1 between an isothermal crystallization time t2 at 135° C. of the resin composition and an isothermal crystallization time t1 at 135° C. of a nucleating agent-free resin composition having the same formulation as the resin composition except that the nucleating agent is not contained is 0.45 or more.

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.