C08K13/00

Thermoplastic polyurethane resin composition and molded body using said resin composition
11053343 · 2021-07-06 · ·

Provided is a thermoplastic resin composition which has improved ultraviolet absorbing capability, mechanical characteristics, hydrolysis resistance, transparency, and blooming resistance and is used for protecting an article used outdoors from ultraviolet light. A problem is solved by a thermoplastic polyurethane resin composition which is a reaction product of an isocyanate component (A1) containing an aliphatic polyisocyanate, a chain extender (A2), and a polyol component (A3) containing a polycarbonate diol having a side-chain alkyl group and contains an ultraviolet absorber (B1) having a benzotriazole skeleton, an ultraviolet absorber (B2) having a maximum absorption wavelength in a range from greater than or equal to 250 nm to less than or equal to 290 nm and having a triazine skeleton, a hindered amine light stabilizer (C), and an antioxidant (D).

Thermoplastic polyurethane resin composition and molded body using said resin composition
11053343 · 2021-07-06 · ·

Provided is a thermoplastic resin composition which has improved ultraviolet absorbing capability, mechanical characteristics, hydrolysis resistance, transparency, and blooming resistance and is used for protecting an article used outdoors from ultraviolet light. A problem is solved by a thermoplastic polyurethane resin composition which is a reaction product of an isocyanate component (A1) containing an aliphatic polyisocyanate, a chain extender (A2), and a polyol component (A3) containing a polycarbonate diol having a side-chain alkyl group and contains an ultraviolet absorber (B1) having a benzotriazole skeleton, an ultraviolet absorber (B2) having a maximum absorption wavelength in a range from greater than or equal to 250 nm to less than or equal to 290 nm and having a triazine skeleton, a hindered amine light stabilizer (C), and an antioxidant (D).

Modified conjugated diene polymer, modified conjugated diene polymer composition, tire, and method for producing modified conjugated diene polymer

A modified conjugated diene polymer satisfying the following conditions (I) to (IV): (I) at least two peaks are observed in a molecular weight distribution curve; (II) when a peak of the highest molecular weight is defined as a peak (B), a peak of the largest peak area except for the peak (B) is defined as a peak (T), a peak molecular weight of the peak (B) is from 500,000 to 2,500,000 and a peak molecular weight of the peak (T) is from 150,000 to 600,000; (III) an area of the peak (T) is from 30% to 80% and a total value of an area of the peak (B) and the area of the peak (T) is 65% or more; and (IV) a proportion of a modified polymer chain(s) in a region ranging from a low-molecular-weight side to a point of 5% cumulative area is from 60% to 99%.

Resin composition for laser welding and welded body thereof

A resin composition for laser welding contains: relative to 100 mass parts of (A) a thermoplastic polyester resin material that contains a polybutylene terephthalate homopolymer and at least one of a polybutylene terephthalate copolymer, a polyethylene terephthalate resin, and a polycarbonate resin, 0.0005 to 0.5 mass parts of (B) nigrosine; and 0.01 to 2 mass parts of (C) a colorant containing at least an anthraquinone dye C1 having a maximum absorption wavelength in a range of 590 to 635 nm, a perinone dye C2 having a maximum absorption wavelength in a range of 460 to 480 nm, and an anthraquinone dye C3 having a maximum absorption wavelength in a range of 435 to 455 nm, at C1:C2:C3=24 to 41:24 to 39:22 to 46 as the mass ratio relative to 100 mass parts for a total of C1, C2, and C3.

THERMALLY CONDUCTIVE COMPOSITION
20200291283 · 2020-09-17 · ·

The thermally conductive composition comprises a thermally conductive filler dispersed in a liquid matrix.

Acid resistant polyethylene containers

Rotomolded polyethylene containers that are used to store sulfuric acid can become discolored on the interior surface which is in contact with the acid. This problem may be mitigated by the use of an additive package that contains two primary antioxidants.

Acid resistant polyethylene containers

Rotomolded polyethylene containers that are used to store sulfuric acid can become discolored on the interior surface which is in contact with the acid. This problem may be mitigated by the use of an additive package that contains two primary antioxidants.

Adhesive having anti-insect efficiency

The present invention relates to an adhesive comprising an anti-insect ingredient comprising a plant extract, wherein the plant extract comprises an extract of Cinnamomum cassia, an extract of Syzygium aromaticum and an extract of Artemisia capillaris and an adhesive ingredient comprising a binder. The adhesive is environment friendly and does not have any toxic ingredient on a human body and exhibit excellent and synergic anti-insect efficiency by using three plant extracts. Therefore, it is possible to control pests that may have an adverse effect on foods by applying the adhesive to a food package box.

Adhesive having anti-insect efficiency

The present invention relates to an adhesive comprising an anti-insect ingredient comprising a plant extract, wherein the plant extract comprises an extract of Cinnamomum cassia, an extract of Syzygium aromaticum and an extract of Artemisia capillaris and an adhesive ingredient comprising a binder. The adhesive is environment friendly and does not have any toxic ingredient on a human body and exhibit excellent and synergic anti-insect efficiency by using three plant extracts. Therefore, it is possible to control pests that may have an adverse effect on foods by applying the adhesive to a food package box.

Plasticizer composition, resin composition, and preparation methods therefor

The present invention relates to a plasticizer composition, a resin composition, and preparation methods therefor, and can provide: a plasticizer capable of improving physical properties such as plasticizing efficiency, migration, tensile strength, elongation, stress migration and light resistance, which are required in sheet formulation, when used as a plasticizer of a resin composition by improving inferior physical properties generated because of structural limitations; and a resin composition containing the same.