An adhesive sheet utilizes an acrylic resin composition without using a separate primer layer, thus providing excellent adhesion, high reliability due to its excellent light resistance under the sunlight exposure, and excellent elastic modulus, and can be easily used as an adhesive material in various fields such as building materials and automobiles.

One embodiment of the present invention relates to an adhesive composition for a decorative film, a decorative film, or a decorative molded body. The adhesive composition for a decorative film contains a (meth)acrylic polymer (A) that satisfies (I) and (II) below, has a weight-average molecular weight of 300,000 or less as measured by gel permeation chromatography, and has a glass transition temperature of higher than 0° C. and lower than 50° C. as determined from a peak temperature of tan δ measured by dynamic mechanical analysis. Relative to a total of 100 mass % of the (meth)acrylic polymer (A) and a (meth)acrylic polymer (Ah) having a glass transition temperature of 50° C. or higher, a percentage content of the (meth)acrylic polymer (Ah) is less than 25 mass %. (I) The (meth)acrylic polymer (A) is a polymer of a monomer component that contains 19 mass % or more of a monomer (a1) that does not have a crosslinkable functional group. (II) A homopolymer of the monomer (a1) has a glass transition temperature of 0° C. or higher.

One embodiment of the present invention relates to an adhesive composition for a decorative film, a decorative film, or a decorative molded body. The adhesive composition for a decorative film contains a (meth)acrylic polymer (A) that satisfies (I) and (II) below, has a weight-average molecular weight of 300,000 or less as measured by gel permeation chromatography, and has a glass transition temperature of higher than 0° C. and lower than 50° C. as determined from a peak temperature of tan δ measured by dynamic mechanical analysis. Relative to a total of 100 mass % of the (meth)acrylic polymer (A) and a (meth)acrylic polymer (Ah) having a glass transition temperature of 50° C. or higher, a percentage content of the (meth)acrylic polymer (Ah) is less than 25 mass %. (I) The (meth)acrylic polymer (A) is a polymer of a monomer component that contains 19 mass % or more of a monomer (a1) that does not have a crosslinkable functional group. (II) A homopolymer of the monomer (a1) has a glass transition temperature of 0° C. or higher.

Fiber-containing composites are described that include woven or non-woven fibers, and a binder that holds the fibers together. The binder may include the reaction product of a starch and a polycarboxylic acid. The starch has a weight average molecular weight that ranges from 1×10.sup.6 Daltons to 1×10.sup.7 Daltons. The fiber-containing composite has an unaged tensile strength of greater than 4.0 and an aged tensile strength greater than 3.0. Also described are methods of making the fiber-containing composites. The methods may include applying a binder composition to fibers to form coated fibers, measuring a moisture content of the coated fibers, and curing the coated fibers in a curing oven to form the fiber-containing composite. The binder composition may include a starch having a weight average molecular weight that ranges from 1×10.sup.6 Daltons to 1×10.sup.7 Daltons, and a polycarboxylic acid.

Fiber-containing composites are described that include woven or non-woven fibers, and a binder that holds the fibers together. The binder may include the reaction product of a starch and a polycarboxylic acid. The starch has a weight average molecular weight that ranges from 1×10.sup.6 Daltons to 1×10.sup.7 Daltons. The fiber-containing composite has an unaged tensile strength of greater than 4.0 and an aged tensile strength greater than 3.0. Also described are methods of making the fiber-containing composites. The methods may include applying a binder composition to fibers to form coated fibers, measuring a moisture content of the coated fibers, and curing the coated fibers in a curing oven to form the fiber-containing composite. The binder composition may include a starch having a weight average molecular weight that ranges from 1×10.sup.6 Daltons to 1×10.sup.7 Daltons, and a polycarboxylic acid.

A single-component adhesive composition includes: an aqueous acrylic polymer dispersion comprising water and at least one water-dispersed acrylic polymer P; between 0.2 wt.-% and 2.0 wt.-%, preferably between 0.5 wt.-% and 1.5 wt.-%, based on the total composition, of at least one water-dispersed or water-dissolved cross-linker C that can react with carboxylate groups; and between 20 wt.-% and 60 wt.-%, based on the total composition, of at least one filler F with the mean particle size D50 of its primary particles being ≤10 μm, wherein said at least one water-dispersed acrylic polymer P contains free carboxylic acid groups. The composition is highly suitable as adhesive for floor coverings and shows good tack in the wet state and at the same time enables excellent dimensional stability of the bonded floor coverings.

The embodiments described herein generally relate to methods and chemical compositions for coating substrates with a composition. In one embodiment, an adhesive composition is provided comprising a reaction product of a polyacid selected from the group consisting of an aromatic polyacid, an aliphatic polyacid, an aliphatic polyacid with an aromatic group, and combinations thereof, or a diglycidyl ether; and a polyamine; and one or more compounds selected from the group consisting of a branched aliphatic acid, a cyclic aliphatic acid with a cyclic aliphatic group, a linear aliphatic, and combinations thereof.

The embodiments described herein generally relate to methods and chemical compositions for fracturing fluid applications. In one embodiment, a fracturing fluid composition is provided comprising a fracturing fluid and an additive composition including a reaction product of a diglycidyl ether or a polyacid selected from the group consisting of an aromatic polyacid, an aliphatic polyacid, an aliphatic polyacid with an aromatic group, and combinations thereof; and a polyamine; and one or more compounds selected from the group consisting of a branched aliphatic acid, a cyclic aliphatic acid with a cyclic aliphatic group, a linear aliphatic, and combinations thereof.

Provided is a hot-melt pressure-sensitive adhesive composition which enables to form a pressure-sensitive adhesive layer without allowing the progression of rapid gelation at the time of heating and melting. The pressure-sensitive adhesive composition provided by the present invention is a solvent-free hot-melt pressure-sensitive adhesive composition. The pressure-sensitive adhesive composition includes a base polymer, an isocyanate crosslinking agent, and a tackifier A represented by the following general formula (1):

R—[(CH.sub.3).sub.2C.sub.6H.sub.2—(CH.sub.2O).sub.n—CH.sub.2].sub.m—OH (1)

(in the general formula (1), R is a hydrogen atom or a hydroxyl group, m is 9 to 16, and n is 0 to 3). A content of the tackifier A with respect to 100 parts by weight of the base polymer is 1 part by weight to 10 parts by weight.

The invention relates to a fatty acid diamide-based rheology additive composition, which is pre-activated and pre-concentrated in fatty acid diamide, comprising: a) from 5% to 30% by weight of at least one fatty acid diamide based on 12 hydroxystearic acid and on a linear, in particular C5, C6 or C7, aliphatic diamine, b) from 70% to 95% by weight of at least one monofunctional (meth)acrylic reactive diluent comprising a cycloaliphatic group or several cycloaliphatic groups, the % being expressed relative to a)+b). It also relates to a process for preparing the composition and to the use thereof as a rheology additive in reactive binder compositions such as coating, moulding, composite material, anchor bolt or sealant compositions or photocrosslinkable compositions for stereolithography or for 3D printing of objects by inkjet.