The present disclosure is related to a catalyst for PIR/PUR foam production comprising a compound having the general formula (I) wherein R.sub.1 and R.sub.2 are independently selected from a C.sub.1-C.sub.18 straight-chain or branched alkyl group, unsubstituted or substituted with one or more hydroxyl, amino or aminoalkyl groups, or R.sub.1 and R.sub.2, taken together, form a 5- or 6-membered ring or 7-membered bicyclic structure, one of the members of the ring or bicyclic structure being X, wherein X is selected from CH.sub.2, O, S, NCH.sub.3 or NCH.sub.2COOM, wherein R.sub.3 and R.sub.4 are independently selected from hydrogen or a C.sub.1-C.sub.4 straight-chain or branched alkyl group and wherein M is an alkali metal ion or a quaternary ammonium ion, as well as to a process for production of said compound and uses thereof and to a process for the production of PIR/PUR foam or flexible foam in the presence of the catalyst of the present disclosure.

##STR00001##

A foaming agent comprising organic amine salt compounds of the following general formula A.sup.n [B.sup.m+].sub.p (I) is disclosed, wherein A.sup.n is a CO.sub.2-donating anion with a valence of n, wherein n=1, 2 or 3; each B.sup.m+ comprises: ammonium ion and/or organic amine (B) cation, wherein

[00001]$m=1.Math.\text{-10;}.Math..Math.0<p\frac{n}{m};$

and wherein A.sup.n is one or more selected from following anions: (a) carbamate; (b) carbonate; (c) formate; (d) bicarbonate radical; (e) organic mono carbonate; (f) organic radical multi-carbamate; (g) orthoformate; or (h) organic radical poly-carbonate. The compound of the general formula (I) has at least one of hydroxyalkyl group linked to N atom, i.e., has alkanolamine residue. They can be used as polyurethane foaming agent, polystyrene foaming agent or polyvinyl choride foaming agent.

The present invention relates to an isocyanate reactive component comprising a specific polyol mixture useful for the preparation of homogenous reactive polyurethane compositions. The invention further relates to a reactive polyurethane composition comprising such isocyanate reactive component and an isocyanate component. It also relates to a homogeneous polyurethane foam having good mold release property and surface quality prepared from such reactive polyurethane compositions. In a further aspect, it relates to a polyurethane composite comprising such homogenous polyurethane foam and having good and flat surface appearance after processing.

An object of the present invention is to provide a golf ball showing increased controllability on approach shots for less than 40 yards and showing excellent shot feeling. In the inventive golf ball, the paint film is formed from a curing type paint composition including: a base material containing a polyrotaxane, and a curing agent containing a polyisocyanate, and wherein the polyrotaxane has a cyclodextrin, a linear molecule included in a cyclic structure of the cyclodextrin in a manner of piercing through the cyclic structure of the cyclodextrin, and a blocking group located at both ends of the linear molecule to prevent disassociation of the cyclodextrin, and at least a part of hydroxyl groups of the cyclodextrin is modified with a caprolactone chain via OC.sub.3H.sub.6O group.

An exemplary embodiment of the present disclosure provides a polyurethane core for use in a floor or wall panel, the core comprising a polyol made, at least in part, from one or more recycled materials, and an isocyanate.

Disclosed are compositions that comprise water and a polyether polyol derived from sucrose and an alkylene oxide, as well as polyurethane foam systems comprising such compositions, methods for their production, and the resulting polyurethane foams.

Disclosed herein are polyurethane polymers comprising at least one polyisocyanate, a polysaccharide comprising: poly alpha-1,3-glucan; a poly alpha-1,3-glucan ester compound as disclosed herein; poly alpha-1,3-1,6-glucan; water-insoluble alpha-(1,3-glucan) polymer having 90% or greater alpha-1,3-glycosidic linkages, less than 1% by weight of alpha-1,3,6-glycosidic branch points, and a number average degree of polymerization in the range of from 55 to 10,000; dextran; or a poly alpha-1,3-glucan ether compound as disclosed herein; and optionally, at least one polyol. Also disclosed are polyurethane compositions comprising the polyurethane polymer and a solvent, as well as polyurethane foams, adhesives, coatings, films, and coated fibrous substrates comprising the polyurethane polymer.

A composition comprising (a1) a polyether polyol, (a2) a polyolefine polyol and (a3) a polyester polyol obtainable by epoxidation of an unsaturated fatty acid ester and subsequent ring-opening reaction with a compound containing active hydrogen, can be used for the preparation of PUR foam which distinguishes by low-temperature flexibility and low dielectric loss and is suitable for filling the gap between the condenser core and the outer composite or porcelain insulator in the manufacture of resin impregnated paper (RIP) bushings.

A method for producing zeolite embedded polyolefin films for packaging polyurethane foams also embedded with zeolite.

A polyol component b) comprising: 20 to 40 wt % of polyetherester polyols B) having a functionality of 3.8 to 4.8, an OH number of 380 to 440 mg KOH/g and a fatty acid and/or fatty acid ester content of 8 to 17 wt %, based on the weight of polyetherester polyols B); 20 to 40 wt % of polyether polyols C) having a functionality of 3.7 to 4 and an OH number of 300 to 420 mg KOH/g; 20 to 40 wt % of one or more polyether polyols D) having a functionality of 4.5 to 6.5 and an OH number of 400 to 520 mg KOH/g; 0.5 to 5.5 wt % of catalysts E), 0.1 to 5 wt % of further auxiliaries and/or added-substance materials F), 0.5 to 5 wt % of water G);
and also rigid polyurethane foams obtained therewith and use thereof for insulation and refrigeration applications.