C08G18/0842

Radiation curing coating composition
10167359 · 2019-01-01 · ·

Disclosed is a UV-curing coating composition comprising (a) 40-70% by weight of at least one urethane (meth)acrylate being a product of a reaction between at least one polycaprolactone polyol (a1) and at least one adduct (a2), said adduct (a2) being a product of a reaction between at least one polyisocyanate (a3) and at least one hydroxyalkyl (meth)acrylate (a4), said polycaprolactone polyol (a1) being a product of a reaction between at least one polyalkoxylated polyol (a5) and at least one caprolactone monomer (a6), (b) 20-50% by weight of at least one reactive diluent having at least one olefinic carbon-carbon double bond, and (c) 0.5-10% by weight of at least one photoinitiator, and optionally (d) 1-15% by weight of at least one matting agent.

ACRYLIC POLYURETHANE COATINGS INCLUDING POLYETHER POLYOLS

An acrylic polyurethane coating composition, comprising an isocyanate component comprising at least one polyisocyanate trimer; and an isocyanate reacting mixture, the isocyanate reacting mixture comprising from 25 wt % to 80 wt % of an acrylic polyol and from 1 wt % to 30 wt % of a polyether polyol, based on a total weight of the acrylic polyurethane coating composition, the acrylic polyol having a solids content of at least 50 wt %, based on a total weight of the acrylic polyol, and the polyether polyol having a viscosity of less than 500 mPa*s at 25 C. and a number average molecular weight greater than 300 and less than 700.

CATALYST COMPOSITION FOR PRODUCING POLYURETHANE FOAM, AND METHOD FOR PRODUCING FLEXIBLE POLYURETHANE FOAM USING IT
20180334526 · 2018-11-22 ·

To provide a catalyst composition to obtain a flexible polyurethane foam from which substantially no amine compound is discharged and which has sufficient resistance to compressive strain, and a method for producing a flexible polyurethane foam using the catalyst composition.

A polyurethane foam is produced by using a catalyst composition for producing a polyurethane foam, which comprises an amine compound represented by the following formula (1) and at least one glycol selected from the group consisting of ethylene glycol and polyethylene glycol, provided that when the compound of the formula (1) has enantiomers, diastereomers or geometric isomers, both a mixture thereof and isolated isomers are included:

##STR00001##

wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently a hydrogen atom, a C.sub.1-4 alkyl group, a hydroxy group, a hydroxymethyl group or a C.sub.1-4 alkoxy group, and m is an integer of 1 or 2.

Polyisocyanate composition and isocyanate polymer composition

The present invention relates to a polyisocyanate composition comprising, on the basis of the total mass of the polyisocyanate composition, 97 weight % or more of a polyisocyanate, and 2.0 mass ppm or more and 1.010.sup.4 mass ppm or less of a compound having at least one unsaturated bond in which the compound is a different compound from the polyisocyanate, or 5.0 mass ppm or more and 2.010.sup.4 mass ppm or less of at least one inactive compound selected from the group consisting of a hydrocarbon compound, an ether compound, a sulfide compound, a halogenated hydrocarbon compound, a Si-containing hydrocarbon compound, a Si-containing ether compound, and a Si-containing sulfide compound.

Isocyanate composition and binder system containing said isocyanate composition

What is described are isocyanate compositions comprising ?-dicarbonyl compounds and a binder system, especially for use in a process from the group consisting of polyurethane cold-box process and polyurethane no-bake process, with this isocyanate composition as polyisocyanate component.

FIBER REINFORCED PLASTIC MOLDED ARTICLE AND METHOD OF MANUFACTURING THE FIBER REINFORCED PLASTIC MOLDED ARTICLE
20180272625 · 2018-09-27 · ·

[Objective]

The object of the present invention is to provide a fiber reinforced plastic molded article having favorable close contact properties with reinforcing fibers and superior mechanical strength.

[Constitution]

A fiber reinforced plastic molded article obtained by molding a fiber reinforced plastic molding material comprising a radical polymerizable resin composition and reinforcing fibers, wherein the radical polymerizable resin composition contains at least a urethane (meth) acrylate resin component (a) containing a urethane (meth) acrylate resin compound represented by the following chemical formula [Chemical 1]:


X?M]n[Chemical 1]

(in the formula, wherein n is within a range from 2 to 100, X is a compound residue having two or more isocyanate groups, and M contains at least formula [Chemical 2]:


N?C?O[Chemical 2]

and M other than the above formula [Chemical 2] is a formula [Chemical 3]:

##STR00001##

in the formula [Chemical 3], Q represents a mono alcohol compound residue containing ethylene unsaturated groups) and an organic tin compound component (b); and the component (a) and the component (b) are mixed prior to curing.

POLYESTER POLYOL COMPOSITIONS CONTAINING HFO-1336MZZM (Z)

Blends, polyol premix compositions, methods of forming such compositions, foamable compositions using the premix compositions, methods of preparing foams containing the premix compositions, and foams made using the premix compositions are described. The polyol premix composition includes a polyester polyol; halogenated olefin blowing agent; and a distribution-enhancing component. In the polyol premix composition, the blowing agent, the polyester polyol, and the distribution-enhancing component form a substantially uniform composition.

(METH)ACRYLATE COMPOUNDS AS REACTIVE DILUENTS FOR POLYADDITION SYSTEMS

A coating composition includes an isocyanate compound, an isocyanate-reactive compound, a reactive diluent with (meth)acrylate functionality, optionally a carbon dioxide scavenger and an autooxidation catalyst. Moreover, a method prepares a reactive composition of an isocyanate compound with an isocyanate-reactive compound by adding a reactive diluent with (meth)acrylate functionality, optionally a carbon dioxide scavenger and an autooxidation catalyst. Finally, acrylates and/or methacrylates are used as reactive diluents for the reaction of an isocyanate compound with an isocyanate-reactive compound in the presence of an autooxidation catalyst and optionally a carbon dioxide scavenger.

ISOCYANATE COMPOSITION AND BINDER SYSTEM CONTAINING SAID ISOCYANATE COMPOSITION

What is described are isocyanate compositions comprising -dicarbonyl compounds and a binder system, especially for use in a process from the group consisting of polyurethane cold-box process and polyurethane no-bake process, with this isocyanate composition as polyisocyanate component.

ICI BUILDING RHEOLOGY MODIFIER
20240400844 · 2024-12-05 ·

The present invention relates to a composition comprising an aqueous solution of a branched HEUR, and a nonionic surfactant having an HLB in the range of 11 to 19. The composition of the present invention provides a rheology modifier that provides a formulator with independent control of viscosity across low-, mid-, and high-shear rate regimes.