Patent classifications
C08G18/2895
ALDIMINE CONTAINING GLASS BONDING PRIMER
A novel primer composition contains aldimine and/or epoxy resins, a process of making such primer to be used in glass bonding adhesive kit.
FLEXIBLE HARDCOAT COMPRISING URETHANE OLIGOMER HYDROGEN BONDED TO AN ACRYLIC POLYMER SUITABLE FOR STRETCHABLE FILMS
A hardcoat composition is described comprising urethane (meth)acrylate oligomer having first functional groups; an acrylic polymer having second functional groups; wherein the first and second functional groups are capable of forming a hydrogen bond; and optionally nanoparticles. Also described are articles comprising the cured hardcoat described herein disposed on a surface of a substrate, method of using the articles, and methods of making the articles.
Low-solvent coating systems for textiles
Provided is a coating composition for the elastic coating of textile materials, comprising at least one blocked, isocyanate-terminated prepolymer (component A), the isocyanate-terminated prepolymer A) being prepared from a polyol component a) IN and an isocyanate component b), and the terminal isocyanate groups being blocked with dialkyl malonate and/or 3,5-dimethylpyrazole, and the isocyanate component b) containing 70 wt % of at least one aliphatic polyisocyanate and 30 wt % of at least one N aromatic polyisocyanate, based on the total weight of component b), at least one polyamine (component B) and 30 wt %, based on the total mass of the coating composition, of at least one organic solvent. Further provided are a method for coating substrates with the coating composition, and also the substrate obtainable in such a method, and, further, the use of the coating composition for producing elastic coatings or elastic films.
Low-solvent coating systems for textiles
Provided is a coating composition for the elastic coating of textile materials, comprising at least one blocked, isocyanate-terminated prepolymer (component A), the isocyanate-terminated prepolymer A) being prepared from a polyol component a) IN and an isocyanate component b), and the terminal isocyanate groups being blocked with dialkyl malonate and/or 3,5-dimethylpyrazole, and the isocyanate component b) containing 70 wt % of at least one aliphatic polyisocyanate and 30 wt % of at least one N aromatic polyisocyanate, based on the total weight of component b), at least one polyamine (component B) and 30 wt %, based on the total mass of the coating composition, of at least one organic solvent. Further provided are a method for coating substrates with the coating composition, and also the substrate obtainable in such a method, and, further, the use of the coating composition for producing elastic coatings or elastic films.
Polyurethane-ionomer hybrid resin composition for golf ball cover and golf ball including cover formed using the same
A polyurethane-ionomer hybrid resin composition for a golf ball cover having excellent elastic reaction force and backspin performance comprises 100 parts by weight of a modified ionomer having a number average molecular weight in a range of 1,000 to 2,400, provided as a reaction product generated by a reaction among a polyol including hydroxyl groups on opposing ends of the polyol, a monomer of acrylic acid or methacrylic acid having 2 to 3 functional groups, and zirconia, and modified in such a manner that a polyester oligomer in a zirconia complex state and a zirconia filled state is added to an ionomer resin to be reacted, and a portion of unsaturated carboxylic acid of an ionomer is neutralized to be zirconium and additionally polymerized to be the polyester oligomer; 20 to 40 parts by weight of a block polyurethane prepolymer with respect to 100 parts by weight of the modified ionomer; 70 to 100 parts by weight of the ionomer with respect to 100 parts by weight of the modified ionomer; and 1 to 10 parts by weight of a chain extender with respect to 100 parts by weight of the block polyurethane prepolymer.
Polyurethane-ionomer hybrid resin composition for golf ball cover and golf ball including cover formed using the same
A polyurethane-ionomer hybrid resin composition for a golf ball cover having excellent elastic reaction force and backspin performance comprises 100 parts by weight of a modified ionomer having a number average molecular weight in a range of 1,000 to 2,400, provided as a reaction product generated by a reaction among a polyol including hydroxyl groups on opposing ends of the polyol, a monomer of acrylic acid or methacrylic acid having 2 to 3 functional groups, and zirconia, and modified in such a manner that a polyester oligomer in a zirconia complex state and a zirconia filled state is added to an ionomer resin to be reacted, and a portion of unsaturated carboxylic acid of an ionomer is neutralized to be zirconium and additionally polymerized to be the polyester oligomer; 20 to 40 parts by weight of a block polyurethane prepolymer with respect to 100 parts by weight of the modified ionomer; 70 to 100 parts by weight of the ionomer with respect to 100 parts by weight of the modified ionomer; and 1 to 10 parts by weight of a chain extender with respect to 100 parts by weight of the block polyurethane prepolymer.
ALDIMINE CONTAINING GLASS BONDING PRIMER
A novel primer composition contains aldimine and/or epoxy resins, a process of making such primer to be used in glass bonding adhesive kit.
Process for bonding substrates
The present invention relates to a process for bonding substrates, wherein the bond is a bond that can be released by heat treatment at a temperature of 50? C. to less than 200? C. and a composition is used to produce the bond, said composition containing a polymer of formula (I): Q-(OC(O)CRRC(O)R).sub.x, where: Q=a polymer group, selected from a polyester group and/or a polyolefin group, wherein the polymer group does not contain any components that result from the use of molecules having (meth)acrylic acid units as monomers; x is greater than or equal to 1; R.sup.1?R.sup.2 or OR.sup.3; R2=a hydrocarbon group, which can be substituted with halogen atoms, comprising 1 to 10 carbon atoms; R3=a hydrocarbon group, which can be substituted with halogen atoms, comprising 1 to 10 carbon atoms, or a polymer group; R=H, or a hydrocarbon group, which can be substituted with halogen atoms, comprising 1 to 10 carbon atoms, or a group of formula (II): C(O)NH-Q, where Q=an organic group which can also have one or more silicon atoms; and R=H or a group of formula (II), with the proviso that if neither of the groups R and R is a group of formula (II), then at least one of the groups R or R is H.
BLOCKED ISOCYANATE, PHOTO-CURABLE COMPOSITION, RESIN, AND METHOD OF MANUFACTURING THREE-DIMENSIONAL OBJECT
Provided is a photo-curable composition capable of creating a three-dimensional object excellent in both of: stiffness and strength; and toughness. Specifically, provided is a photo-curable composition including: a blocked isocyanate represented by the general formula (1); a chain extender; and a photo-radical generator:
##STR00001## in the general formula (1), A.sub.1 to A.sub.4 each independently represent a structure represented by the following general formula (2), and B represents a structure represented by the following general formula (3).
##STR00002##
MEDICAL DEVICES FORMED FROM HIGH PURITY POLYURETHANE
In some aspects, the present disclosure pertains to medical devices, at least a portion of which comprises a polymeric region comprising a poly(urethane amide) that comprises urethane (OCONH) groups, and amide (CONH) groups. In other aspects, the present disclosure pertains to 3-D printing processes that comprise reacting (a) a urethane-based acrylamide reactant that comprises a residue of a C.sub.4-C.sub.10 hydroxyalkyl acrylamide and a diisocyanate residue selected from a C.sub.6-C.sub.20 aromatic diisocyanate residue, a C.sub.4-C.sub.20 aliphatic diisocyanate residue, and a C.sub.6-C.sub.20 cycloaliphatic diisocyanate residue and (b) a multi-arm polymer comprising 3 or more polymer arms and three or more terminal groups selected from thiol groups, amino groups and hydroxyl groups.