C08L69/00

POLYCARBONATE COMPOSITIONS CONTAINING FILLERS AND TRIACYLGLYCEROL CONTAINING EPOXY GROUPS
20230038482 · 2023-02-09 ·

The invention relates to carbon fiber-containing polycarbonate compositions, the flowability of which is significantly improved by adding epoxidized triacylglycerols, for example as a constituent of epoxidized soy bean oil. In addition to the very high flowability, the compositions according to the invention have a high rigidity.

POLYCARBONATE COMPOSITIONS
20230043053 · 2023-02-09 ·

The present invention relates to polycarbonate compositions and molded articles made therefrom. The polycarbonate composition comprises: A) 70-95 wt.% of aromatic polycarbonate, B) 4-26 wt.% of mineral fdler, C) 0.1- 4 wt.% of ester-modified wax, D) 0.1-0.6 wt.% of a mold release agent, E) 0.05-0.3 wt.% of antioxidant, F) 0 - 0.3 wt.% ofneutralizer, and G) 0-2 wt.% of coloring agent, wherein the amount of each component is based on the total weight of the polycarbonate composition. The molded articles made from the polycarbonate composition according to this invention show enhanced impact strength, tensile elongation at break and surface gloss.

POLYCARBONATE COMPOSITIONS
20230043053 · 2023-02-09 ·

The present invention relates to polycarbonate compositions and molded articles made therefrom. The polycarbonate composition comprises: A) 70-95 wt.% of aromatic polycarbonate, B) 4-26 wt.% of mineral fdler, C) 0.1- 4 wt.% of ester-modified wax, D) 0.1-0.6 wt.% of a mold release agent, E) 0.05-0.3 wt.% of antioxidant, F) 0 - 0.3 wt.% ofneutralizer, and G) 0-2 wt.% of coloring agent, wherein the amount of each component is based on the total weight of the polycarbonate composition. The molded articles made from the polycarbonate composition according to this invention show enhanced impact strength, tensile elongation at break and surface gloss.

POLYCARBONATE COMPOSITIONS
20230043053 · 2023-02-09 ·

The present invention relates to polycarbonate compositions and molded articles made therefrom. The polycarbonate composition comprises: A) 70-95 wt.% of aromatic polycarbonate, B) 4-26 wt.% of mineral fdler, C) 0.1- 4 wt.% of ester-modified wax, D) 0.1-0.6 wt.% of a mold release agent, E) 0.05-0.3 wt.% of antioxidant, F) 0 - 0.3 wt.% ofneutralizer, and G) 0-2 wt.% of coloring agent, wherein the amount of each component is based on the total weight of the polycarbonate composition. The molded articles made from the polycarbonate composition according to this invention show enhanced impact strength, tensile elongation at break and surface gloss.

MOLDED ARTICLE FOR LASER WELDING, AND AGENT FOR SUPPRESSING VARIATION IN LASER TRANSMITTANCE OF MOLDED ARTICLE FOR LASER WELDING

Problem: To provide a molded article for laser welding which has excellent visible light transmittance and laser transmittance and in which variation in laser transmittance is suppressed, and an agent for suppressing variation in laser transmittance of a molded article for laser welding.

Solution: A molded article for laser welding comprising a polybutylene terephthalate resin composition containing 100 parts by mass of (A) a polybutylene terephthalate resin, (B) a polycarbonate resin in which the melt viscosity at 300° C. and a shear rate of 1000 sec.sup.−1 is 0.20 kPa.Math.s or greater, and 1 part by mass or greater and 10 parts by mass or less of (C) an epoxy-based compound, the molded article having a thickness at a welded part of 1.3 mm or greater, and an agent for suppressing variation in laser transmittance of a molded article for laser welding, the agent containing an epoxy-based compound.

MOLDED ARTICLE FOR LASER WELDING, AND AGENT FOR SUPPRESSING VARIATION IN LASER TRANSMITTANCE OF MOLDED ARTICLE FOR LASER WELDING

Problem: To provide a molded article for laser welding which has excellent visible light transmittance and laser transmittance and in which variation in laser transmittance is suppressed, and an agent for suppressing variation in laser transmittance of a molded article for laser welding.

Solution: A molded article for laser welding comprising a polybutylene terephthalate resin composition containing 100 parts by mass of (A) a polybutylene terephthalate resin, (B) a polycarbonate resin in which the melt viscosity at 300° C. and a shear rate of 1000 sec.sup.−1 is 0.20 kPa.Math.s or greater, and 1 part by mass or greater and 10 parts by mass or less of (C) an epoxy-based compound, the molded article having a thickness at a welded part of 1.3 mm or greater, and an agent for suppressing variation in laser transmittance of a molded article for laser welding, the agent containing an epoxy-based compound.

POLYCARBONATE/POLYORGANOSILOXANE COPOLYMER AND RESIN COMPOSITION INCLUDING SAID COPOLYMER
20230038766 · 2023-02-09 · ·

Provided is a polycarbonate-polyorganosiloxane copolymer, including a polyorganosiloxane block (A-1) including a specific structural unit and a polycarbonate block (A-2) formed of a specific repeating unit.

POLYCARBONATE/POLYORGANOSILOXANE COPOLYMER AND RESIN COMPOSITION INCLUDING SAID COPOLYMER
20230038766 · 2023-02-09 · ·

Provided is a polycarbonate-polyorganosiloxane copolymer, including a polyorganosiloxane block (A-1) including a specific structural unit and a polycarbonate block (A-2) formed of a specific repeating unit.

GEL COMPOSITIONS, SYSTEMS, AND METHODS

Methods of forming a gel and related methods of treating subjects with such gels are described. The method may include preparing a composition by combining a macromer comprising a first polyethylene glycol (PEG)-based polymer, a poly(ethylenimine)-based polymer, or a poly(1,2-glycerol) carbonate-based polymer, the macromer including at least one first functional moiety, a crosslinking agent comprising a second PEG-based polymer that includes at least one second functional moiety, and a photoinitiator, and activating the photoinitiator via a light source to form the gel.

GEL COMPOSITIONS, SYSTEMS, AND METHODS

Methods of forming a gel and related methods of treating subjects with such gels are described. The method may include preparing a composition by combining a macromer comprising a first polyethylene glycol (PEG)-based polymer, a poly(ethylenimine)-based polymer, or a poly(1,2-glycerol) carbonate-based polymer, the macromer including at least one first functional moiety, a crosslinking agent comprising a second PEG-based polymer that includes at least one second functional moiety, and a photoinitiator, and activating the photoinitiator via a light source to form the gel.