C08L43/04

CURABLE COMPOSITION AND CURED PRODUCT
20220002541 · 2022-01-06 · ·

A curable composition containing a polyoxyalkylene polymer (A) having a reactive silyl group and a (meth)acrylic ester polymer (B) having a reactive silyl group is provided. In the polyoxyalkylene polymer (A), an average ratio per molecule of a number of reactive silyl groups to a number of ends of a polymer backbone is 0.80 or more. In the (meth)acrylic ester polymer (B), an average number per molecule of the reactive silyl groups bonded at ends of a polymer backbone is from 0.30 to 1.00, and the average number per molecule of the reactive silyl groups bonded inside the polymer backbone is from 0 to less than 0.30.

Moisture curable compositions
11168213 · 2021-11-09 · ·

Disclosed is a two-component silicone composition, which can cure via moisture. The composition generally has improved cure speed while maintaining good storage stability.

Moisture curable compositions
11168213 · 2021-11-09 · ·

Disclosed is a two-component silicone composition, which can cure via moisture. The composition generally has improved cure speed while maintaining good storage stability.

Transparent resin composition, transparent coating film and transparent resin-coated glass substrate

A transparent resin composition is provided which contains at least (A) a siloxane resin, (B) an organic solvent, and two or more kinds of (C) surfactants, wherein the surfactants include (C1) a silicone-modified acrylic surfactant and (C2) a thermally decomposable fluorine-containing surfactant, and the total content of the surfactants (C1) and (C2) is 50-500 ppm with respect to the transparent resin composition. Further provided is a transparent resin composition from which a transparent coating film, that suppresses pin hole or unevenness and has a good appearance and an excellent adhesion property to an inorganic film or an organic film, can be formed even when coated by spray coating or inkjet coating.

(Meth)acrylate adhesive composition
11781046 · 2023-10-10 · ·

The disclosure relates to a (meth)acrylate adhesive composition comprising a (meth)acrylate polymer, a cross-linking agent and a reactive siloxane copolymer with the acid value of the (meth)acrylate polymer is between 0 and 15 mgKOH/g, and the reactive siloxane copolymer derived from the copolymerization of a silane compound represented by the formula: X—R.sup.1—SiR.sup.2.sub.3-a(OR.sup.3).sub.a (I), a non-hydroxyl acrylate monomer containing C.sub.1-C.sub.4 alkyl group and a hydroxyl (meth)acrylate monomer, wherein the use amount of the reactive siloxane copolymer is between 0.1 parts to 6 parts by weight per hundred parts by weight of the (meth)acrylate polymer, wherein X is an acryl group or a (methyl)acryloxy group, R.sup.1 is a C.sub.1-C.sub.4 alkyl group or alkoxy group, R.sup.2 and R.sup.3 respectively are C.sub.1-C.sub.4 alkyl group, and a is an integer between 1 to 3. The present (meth)acrylate adhesive composition can provide an enhanced adhesion and weather resistance, also an enhanced stability over time and storage stability, when be used in polarizer bonding, can show a satisfied adhesion reliability and a proper rework ability.

(Meth)acrylate adhesive composition
11781046 · 2023-10-10 · ·

The disclosure relates to a (meth)acrylate adhesive composition comprising a (meth)acrylate polymer, a cross-linking agent and a reactive siloxane copolymer with the acid value of the (meth)acrylate polymer is between 0 and 15 mgKOH/g, and the reactive siloxane copolymer derived from the copolymerization of a silane compound represented by the formula: X—R.sup.1—SiR.sup.2.sub.3-a(OR.sup.3).sub.a (I), a non-hydroxyl acrylate monomer containing C.sub.1-C.sub.4 alkyl group and a hydroxyl (meth)acrylate monomer, wherein the use amount of the reactive siloxane copolymer is between 0.1 parts to 6 parts by weight per hundred parts by weight of the (meth)acrylate polymer, wherein X is an acryl group or a (methyl)acryloxy group, R.sup.1 is a C.sub.1-C.sub.4 alkyl group or alkoxy group, R.sup.2 and R.sup.3 respectively are C.sub.1-C.sub.4 alkyl group, and a is an integer between 1 to 3. The present (meth)acrylate adhesive composition can provide an enhanced adhesion and weather resistance, also an enhanced stability over time and storage stability, when be used in polarizer bonding, can show a satisfied adhesion reliability and a proper rework ability.

Curable Composition and Cured Product
20230312903 · 2023-10-05 ·

The present invention provides a curable composition that can cure rapidly without using a tin-based curing catalyst and that can form a cured product having excellent mechanical properties, such as elongation at break and breaking strength, and provides a curable composition with high adhesion. A curable composition of the present invention is a curable composition containing a (meth)acrylic polymer (A) which is a polymer of a polymerizable monomer component containing 20% by mass or more of a (meth)acrylic acid alkyl ester (a1) having an alkyl group with 8 to 12 carbon atoms. The (meth)acrylic polymer (A) is a polymer that has a group represented by a specified formula, that contains 1,500 ppm or more of a silicon element, and that has a number average molecular weight (Mn) of more than 10,000.

Curable Composition and Cured Product
20230312903 · 2023-10-05 ·

The present invention provides a curable composition that can cure rapidly without using a tin-based curing catalyst and that can form a cured product having excellent mechanical properties, such as elongation at break and breaking strength, and provides a curable composition with high adhesion. A curable composition of the present invention is a curable composition containing a (meth)acrylic polymer (A) which is a polymer of a polymerizable monomer component containing 20% by mass or more of a (meth)acrylic acid alkyl ester (a1) having an alkyl group with 8 to 12 carbon atoms. The (meth)acrylic polymer (A) is a polymer that has a group represented by a specified formula, that contains 1,500 ppm or more of a silicon element, and that has a number average molecular weight (Mn) of more than 10,000.

CREEP-RESISTANT FIBER AND PREPARATION METHOD THEREOF
20230311397 · 2023-10-05 ·

The present application relates to the technical field of a macromolecular material, and particularly to a creep-resistant fiber and a preparation method thereof. The creep-resistant fiber includes the following components: ultra-high molecular weight polyethylene, epoxy resin, graphene, nano-silicon carbide and mica. The preparation method thereof is that: S1. preparing an ultra-high molecular weight polyethylene fiber spinning solution; S2. swelling and performing extrusion spinning to obtain a filament; S3. after spinning, passing the filament through a spinneret plate, and shock cooling in a cold water bath; S4. preparing a crosslinking modification solution; S5. conducting ultrasonic extraction; S6. drying and hot stretching to obtain a creep-resistant ultra-high molecular weight polyethylene fiber.

CREEP-RESISTANT FIBER AND PREPARATION METHOD THEREOF
20230311397 · 2023-10-05 ·

The present application relates to the technical field of a macromolecular material, and particularly to a creep-resistant fiber and a preparation method thereof. The creep-resistant fiber includes the following components: ultra-high molecular weight polyethylene, epoxy resin, graphene, nano-silicon carbide and mica. The preparation method thereof is that: S1. preparing an ultra-high molecular weight polyethylene fiber spinning solution; S2. swelling and performing extrusion spinning to obtain a filament; S3. after spinning, passing the filament through a spinneret plate, and shock cooling in a cold water bath; S4. preparing a crosslinking modification solution; S5. conducting ultrasonic extraction; S6. drying and hot stretching to obtain a creep-resistant ultra-high molecular weight polyethylene fiber.