C08G18/807

COMPOSITION, PRODUCTION METHOD FOR COMPOSITION, AND PRODUCTION METHOD FOR UNSATURATED COMPOUND
20220119585 · 2022-04-21 · ·

The composition comprises a compound (A) represented by general formula (1) and a compound (B) represented by general formula (2), and comprises 0.00002 to 2.0 parts by mass of the compound (B) with respect to 100 parts by mass of the compound (A),


(R.sub.1—COO).sub.n—R.sub.2—(NCO).sub.m   (1)


g(R.sub.1—COO).sub.n—R.sub.2—NHC(═O)NH—R.sub.2—(OCO—R.sub.1).sub.m   (2)

wherein in general formulae (1) and (2), R.sub.1 is an ethylenically unsaturated group having 2 to 7 carbon atoms; R.sub.2 is a (m+n)-valent hydrocarbon group having 1 to 7 carbon atoms and optionally contain an ether group; R.sub.1 and R.sub.2 in the general formula (1) are the same as R.sub.1 and R.sub.2 in the general formula (2); and n and m each represent an integer of one or two.

LAMINATED POLYESTER FILM
20220119603 · 2022-04-21 · ·

The invention provides a laminated polyester film that is highly transparent, is resistant to blocking, and has excellent adhesion to a hardcoat layer and UV ink. The laminated polyester film contains a polyester film substrate and a coating layer on at least one surface of the polyester film substrate. The coating layer is formed by curing a composition containing a urethane resin with a polycarbonate structure, a crosslinking agent, and a polyester resin. The maximum value of a nitrogen element distribution curve based on element distribution measurement of the coating layer in the depth direction is present in the vicinity of the surface of the coating layer on a side opposite to the polyester film substrate. The polycarbonate structure is present in a suitable amount at the surface of the coating layer on a side opposite to the polyester film substrate.

Curable composition, especially as crystallizing rubber to substrate bonding primer

The subject matter is a new composition comprising at least one hydroxyl-group containing resin, at least one nitroso-containing compound or at least one nitroso precursor compound, at least one blocked isocyanate and at least one crystallization germ suitable as primer or coating for rubber to substrate bonding, which provides a scratch resistant surface, when applied, and excellent adhesion and steam resistance for rubber to substrate bonds. These compositions can especially be used as one coat systems.

Polymer, composition, coating film, layered product, back sheet, and solar cell module

Provided is a polymer capable of providing a coating film that has good initial adhesiveness to a base material and good adhesiveness thereto after a pressure cooker test, and has excellent abrasion resistance as determined by a falling sand abrasion test. The polymer includes a perhaloolefin unit, a vinyl ester unit that contains neither a hydroxy group nor an aromatic ring; and a hydroxy group-containing monomer unit. The polymer has a hydroxyl value of 110 mgKOH/g or greater.

WATER-REPELLENT COMPOSITION

A water-repellent composition containing (1) a polymer having 2-100 wt %, with respect to the polymer, of a repeating unit derived from an amide group-containing monomer (a) represented by the following formula

##STR00001##

[wherein R.sup.1 is an organic moiety having an ethylenically unsaturated polymerizable group, R.sup.2 is a C.sub.7-30 hydrocarbon group, and R.sup.3 is a C.sub.1-5 hydrocarbon group], (2) a co-agent containing at least one co-agent compound selected from the group consisting of a blocked isocyanate compound, a melamine resin, a silicone polymer, a wax, an acetylene-based emulsifier, and a polyoxyalkylene group-containing emulsifier, and (3) a liquid media. Preferably, the water-repellent composition includes no fluoroalkyl group-containing monomer, and preferably no fluorine-containing monomer. Also disclosed is a method for producing the water-repellent composition, a method for treating a substrate with the water-repellent composition, and a method for producing a treated textile product which includes treating a textile product with the water-repellent composition.

THERMOSETTING EPOXY RESIN COMPOSITION HAVING LOW CURING TEMPERATURE AND GOOD STORAGE STABILITY
20210355316 · 2021-11-18 · ·

A thermosetting epoxy resin composition including, as curing agent, a dihydrazide selected from the group consisting of glutaric dihydrazide, adipic dihydrazide and pimelic dihydrazide, in combination with a specific urea accelerator, which features good storage stability and a low curing temperature. The epoxy resin composition is especially suitable for use as bodywork adhesive.

ANTI-STAINING RESIN, ANTI-STAINING FABRIC AND FABRICATING METHOD THEREOF
20220010484 · 2022-01-13 ·

An anti-staining fabric includes a base cloth and an anti-staining resin. The anti-staining resin is disposed on the base cloth, in which a method of fabricating the anti-staining resin includes the following steps. A first thermal process is performed to mix a polyol, a cross-linking agent, and a choline to form a first mixture, in which a reaction temperature of the first thermal process is between 90° C. and 120° C. A second thermal process is performed to mix the first mixture and a chain extender to form the anti-staining resin, in which the chain extender includes a first reagent and a second reagent, and a reaction temperature of the second thermal process is between 120° C. and 150° C.

Thermosetting composition, paint finishing method, and method for producing painted articles

[Purpose] To provide a thermosetting composition with which it is possible to obtain paint films which not only display stain resistance for a short period after application, but with which excellent stain resistance can also be expected for longer periods, and which comply with the paint film properties required for painted steel sheet such as water resistance and bending workability, and have high environmental protection and safety qualities. [Solution] The present invention relates to a thermosetting composition, wherein it contains, as essential components, (A) a polyester resin of number average molecular weight 1,000-10,000 and hydroxyl value 5-200 mg KOH/g and, (B) 0.5 to 2.0 equivalents, relative to the hydroxyl groups of the aforesaid component (A), of a compound (B) which is a blocked aliphatic polyisocyanate compound having reactivity to the hydroxyl groups of component (A), wherein the blocks are methyl ethyl ketone oxime and/or ε-caprolactam, (C) 0.05 to 5 mass %, relative to the total resin solids mass of component (A) and component (B), of an organotin compound represented by the following general formula (I) [Chem.1] R.sup.1—Sn-(O)C═(O)—R.sup.2).sub.3 (I) (R.sup.1 in the formula represents an organic group wherein it has 1-24 carbons, and is directly bound to the Sn atom via a C atom. R.sup.2 represents an organic group wherein it has 1-24 carbons, and is directly bound to the C atom of the (C═O) via a C atom), and (D) 0.5 to 50 mass %, relative to the total resin solids mass of component (A) and component (B), of an organosilicate represented by the following general formula (II) and/or a condensation product thereof [Chem.2] (R.sup.3, R.sup.4, R.sup.5 and R.sup.6 in the formula are each a hydrogen atom or 1-10 carbon organic group, and may be the same or different, n is 1). ##STR00001##

Curable Compositions and Articles Prepared Therefrom
20230323011 · 2023-10-12 ·

The invention relates to a curable composition including (a) a component having one or more carbonyl group-containing compounds having a number average molecular weight (Mn) of at least 500 g/mole, wherein each carbonyl group is independently a ketone group or an aldehyde group; (b) a polyamine compound having at least two primary amine groups per molecule; and (c) a polyisocyanate compound. Articles coated with the curable composition are also provided.

CATALYST FOR DISSOCIATION OF BLOCKING AGENT FOR BLOCKED ISOCYANATES, AND THERMOSETTING COMPOSITION CONTAINING SAID CATALYST FOR DISSOCIATION OF BLOCKING AGENT

A blocking agent dissociation catalyst for blocked isocyanates comprising a nitrogen-containing compound represented by Formula (1a):

##STR00001##

wherein D is represented by Formula (2):

##STR00002##

wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, and a are as described in the specification.