Abstract: A polyvinyl acetal resin film for laminated glass, a viscosity of toluene/ethanol=1/1 (by mass ratio) solution of a polyvinyl acetal resin in a resin composition constituting the polyvinyl acetal resin film with a concentration of 10% by mass, measured at 30 rpm and 20° C. by using a Brookfield-type (B-type) viscometer, being more than 200 mPa·s, the polyvinyl acetal resin film comprising a plasticizer in an amount of 0 to 20% by mass based on a total mass of the resin composition constituting the polyvinyl acetal resin film, and the polyvinyl acetal resin film having a thickness of 10 to 350 ?m.

Abstract: There is provided an interlayer film for laminated glass with which protrusion of an interlayer film portion in the TD direction can be suppressed at the time of producing laminated glass. In the interlayer film for laminated glass according to the present invention, when, in the MD direction of the interlayer film, a birefringence index of the first surface part, a birefringence index of the second surface part, and a birefringence index of the center part are defined as ?nMDA, ?nMDB, and ?nMDC, respectively, ?nMDA, ?nMDB, and ?nMDC each are 0.25×10?3 or less.

Abstract: A composition for forming a resist underlayer film having heat resistance, which is used for a lithography process of semiconductor device production. A resist underlayer film forming composition including a polymer having a unit structure of Formula (1): Preferably, both rings A and B are benzene rings, n1, n2, and n3 are 0, R4 and R6 are hydrogen atoms, or R5 is naphthyl. A method for producing a semiconductor device including: forming an underlayer film by use of the resist underlayer film forming composition onto a semiconductor substrate; forming a hard mask on the underlayer film; forming a resist film on the hard mask; forming a resist pattern by irradiation with light or an electron beam and development; etching the hard mask using the resist pattern; etching the underlayer film by use of the patterned hard mask; and processing the semiconductor substrate by use of the patterned underlayer film.

Abstract: The present invention is directed to a design of and a method to synthesize polycations for gene (DNA and RNA) delivery. According to this design, the polycations (also said cationic polymers) are formed by polymerization of endogenous monomers bearing sufficient amino groups through degradable bonds with linker molecules. The amino group-bearing monomers are those naturally existing or nontoxic to human body. The linker molecules are those which are not only degradable to nontoxic fragments but also able to release the amino group-bearing monomers in their native state upon degradation. Some examples for the endogenous amino group-bearing monomers are spermine and spermidine (or their derivatives). Examples for the degradable chemical bonds formed between the amino group-bearing monomers are imines.

Abstract: A copolymer containing fluorenylporphyrin-benzene is disclosed, which comprises a copolymer represented by formula (1), in which R1, R2, R3 and R4, which may be identical or different, are C1-C16 alkyl, and n is an integer of 1 to 100. The preparation method of said copolymer containing fluorenylporphyrin-benzene and the use thereof in manufacture of solar batteries components, organic field effect transistors, organic electroluminescent components, organic optical storage components, organic non-linear materials or organic laser components are also disclosed.

Abstract: The invention relates to highly acetalized, coarse-grained polyvinyl acetals with a degree of acetalization of >80 mol % and an average grain size of ?100 ?m obtainable by acetalization of partially or fully hydrolyzed polyvinyl esters with a degree of hydrolysis of ?70 mol % with acetaldehyde, characterized by the fact that the acetalization is started at a temperature T1 of 0° C.?T1?+20° C. and is then continued at a temperature T2 of >+40° C., wherein the temperature T2 is held for a time period of 0.05 to 4 hours and the acetalization is performed in a closed reactor.

Abstract: The current invention includes a composition having stability additives of selected inorganic salts and/or organic incorporated into an aldehyde-functionalized polymer product. The stability additive can be post added to the finished polymer product, added to the reaction vessel prior to inducing functionalization of the non-functionalized polymer, or added at any stage during the functionalization reaction. Methods for forming the composition and using the composition to produce a cellulosic fiber-based medium are also disclosed.

Abstract: In general, the invention provides curable resin compositions that may be used to rebuild insulation and/or to provide environmental protection for cable splices, potted articles, and the like. The curable resin compositions can be curable at room temperature. The components used to form and cure the resin compositions may be provided in two or more parts. In specific embodiments, the invention provides curable resin compositions having anhydride, polyol, epoxy, and urethane components.

Abstract: An object of the invention is to provide curable compositions for transfer materials suited for nanoimprinting processes, which compositions have high dry etching resistance against argon gas and high selectivity of dry etching rate between by argon gas and by oxygen gas, and can be fabricated into fine patterns used as resists or the like. A curable composition for transfer materials includes a (meth)acrylate compound having a triazine skeleton which is obtainable by reacting an aminotriazine compound, a compound having a hydroxyl group and a (meth)acryloyl group in the molecule, and an aldehyde.

Abstract: The current invention includes a composition having stability additives of selected inorganic salts and/or organic incorporated into an aldehyde-functionalized polymer product. The stability additive can be post added to the finished polymer product, added to the reaction vessel prior to inducing functionalization of the non-functionalized polymer, or added at any stage during the functionalization reaction. Methods for forming the composition and using the composition to produce a cellulosic fiber-based medium are also disclosed.

Abstract: Polymers derived directly from acrolein monomer that are substantially soluble in water and/or aqueous media, together with methods for preparing same and compositions containing such for use as an anti-microbial, anti-cancer, anti-inflammatory and/or anti-coagulant.

Abstract: The present invention provides a method for continuously producing poly(vinyl butyral) in which the acetalization of poly(vinyl butyral) is carried out using a poly(vinyl alcohol) varnish provided to a mixing region of a high shear mixer at an elevated temperature, which reduces the amount of energy required compared to conventional processing because at least one cooling and heating cycle is eliminated, or makes the recuperation of energy more straightforward.

Abstract: In general, the invention provides curable resin compositions that may be used to rebuild insulation and/or to provide environmental protection for cable splices, potted articles, and the like. The curable resin compositions can be curable at room temperature. The components used to form and cure the resin compositions may be provided in two or more parts. In specific embodiments, the invention provides curable resin compositions having anhydride, polyol, epoxy, and urethane components.

Abstract: The invention relates to highly acetalized, coarse-grained polyvinyl acetals with a degree of acetalization of >80 mol % and an average grain size of ?100 ?m obtainable by acetalization of partially or fully hydrolyzed polyvinyl esters with a degree of hydrolysis of ?70 mol % with acetaldehyde, characterized by the fact that the acetalization is started at a temperature T1 of 0° C.?T1?+20° C. and is then continued at a temperature T2 of >+40° C., wherein the temperature T2 is held for a time period of 0.05 to 4 hours and the acetalization is performed in a closed reactor.

Abstract: The present invention provides a polyvinyl acetal-based resin which has a high elastic modulus, is excellent in solubility to an alcoholic solvent, and gives a highly transparent alcohol solution. The polyvinyl acetal-based resin is obtained by acetalizing a polyvinyl alcohol-based resin (A) which has 0.1 to 1.5% by mol of a 1,2-diol structural unit represented by the following general formula (1) and a degree of saponification of 98.5% by mol or more: wherein R1, R2, and R3 each independently represents a hydrogen atom or an organic group; X represents a single bond or a bonding chain; and R4, R5, and R6 each independently represents a hydrogen atom or an organic group.

Abstract: The invention relates to modified polymers which contain vinyl alcohol groups and are obtained by reacting some of the vinyl alcohol groups with at least one olefinically unsaturated carboxylic acid anhydride and then photochemically crosslinking the reaction product.

Abstract: A novel class of dendritic macromolecules is provided having a core, a hyperbranched structure, and a plurality of units satisfying the formula —NR2(C?O)R1, in which R1 is not a continuation of the hyperbranched structure. Methods of preparing these dendritic macromolecules are also provided, as well as methods of using dendritic macromolecules, including those described above, in separation processes or as part of in situ leach mining processes. A class of facilities for in situ leach mining is also provided.

Abstract: Copolymers (A) containing lateral, primary and/or secondary carbamate groups (a12) and groups (a31) which can be activated with actinic radiation, preparable by I. in a first process step copolymerizing (a1) a monomer containing (a11) a group of the general formula I: CH2?C(R)C(O)—O—, ??(I) in which the variable R is a hydrogen atom, a halogen atom, a nitrile group or an alkyl group having 1 to 10 carbon atoms, and (a12) a primary and/or secondary carbamate group, and (a2) a monomer containing (a21) a free-radically or ironically polymerizable, olefinically unsaturated double bond and (a22) a reactive functional group which is not reactive with the carbamate groups (a12) and is not polymerizable with the double bond (a21), to give the copolymer (a1/a2), and II.

Abstract: The present invention relates to a radiation-curable binder obtainable by reacting A) amine-formaldehyde condensates with a molar ratio of formaldehyde to amino groups of 1:6 to 2:1 with B) a mixture of butanediol monoacrylate and 2-hydroxethyl methacrylate in a ratio of 0.1:100 to 100:0.1, using 0.1 to 1.5 hydroxy equivalents of component B) per methylol equivalent of component A). The present invention further relates to a curable coating composition which comprises the binder of the invention and to a coated article produced using the coating composition.

Abstract: A photosensitive resin which exhibits excellent storage stability, affinity, miscibility, or solubility with respect to a variety of compounds, and high sensitivity can be solidified even under hydrous conditions as well as exhibiting high cure-related sensitivity and high flexibility and being uniformly solidified even under highly hydrous conditions, a photosensitive resin composition containing the resin, and a novel compound. The photosensitive resin is a saponified poly(vinyl acetate)-based photosensitive resin having a structural unit represented by formula (1): (wherein R1 represents H or Me; R2 represents a linear or branched C2-C10 alkylene group; n is an integer of 1 to 3; X represents m is an integer of 0 to 6; and Y represents an aromatic ring or a single bond).

Abstract: A radiation-curable resin, containing a reaction product of A) at least one ketone-aldehyde resin; and/or B) at least one urea-aldehyde resin; and C) at least one compound having at least one ethylenically unsaturated moiety and at least one moiety which is reactive toward A) and/or B), is prepared by reacting components A), B) and C).

Abstract: This invention relates to epoxy resins containing indole as structural unit, indole resins and resin compositions containing said epoxy resins and indole resins useful for applications such as laminating, molding, casting and adhesion on account of their excellent fire retardance, adhesiveness, moisture resistance and heat resistance. The indole resins of this invention and the epoxy resins obtained therefrom are represented by the following general formulas I and II wherein R1 is H, alkyl or the like, X is a crosslinking group represented by —C(R2R3)— or C(R4R5)—Ar—C(R4R5)— (wherein R2-R5 are H, alkyl or the like and Ar is a benzene or biphenyl ring), G is glycidyl group and n is an integer of 1-20.

Abstract: To provide polyacetal which has excellent shock resistance, rigidity and creep resistance as essential properties of the polymer and makes a high flowability and an excellent molding property upon molding possible by improving the thermal stability. In the manufacture of a polyacetal copolymer by a copolymerization of 100 parts by weight of trioxane (a) with 0.05-20 parts by weight of a cyclic ether compound (b) which is copolymerizable with trioxane and 0.001-10 parts by weight of a mono-functional glycidyl compound (c), the mono-functional glycidyl compound (c) having a chlorine content of not more than 0.3% by weight is used.

Abstract: This invention concerns low viscosity aldimine and ketimine reactive diluents having multi-imine functionality, which are useful in automotive refinish coating compositions, including a process for making them and the coatings that contain them.

Abstract: In a process for preparing formaldehyde from methanol by dehydrogenation in a reactor in the presence of a catalyst at a temperature in the range from 300 to 1000° C., a circulating gas stream comprising by-products of the dehydrogenation is passed through the reactor.

Abstract: A lactone chain-extended polyester polyol of the present invention comprises the reaction product of a lactone and a previously chain-extended phenolic-based hydroxyl compound. The previously chain-extended phenolic-based hydroxyl compound may comprise the reaction product of (i) a lactone or an alkoxylating agent selected from the group consisting of alkylene oxides and alkylene carbonates, and (ii) a phenolic aralkylation polymer comprising the reaction product of a phenolic monomer having at least two free reactive positions; a styrene derivative; and a coupling agent. The previously chain-extended phenolic-based hydroxyl compound also may be chain-extended by reacting with a lactam to produce a lactam chain-extended polyester polyamide. The polyols and polyamides of the present invention provide unique combinations of hard and soft functionalities, which translates into materials exhibiting a unique combination of toughness and hardness.

Abstract: A lactone chain-extended polyester polyol of the present invention comprises the reaction product of a lactone and a previously chain-extended phenolic-based hydroxyl compound. The previously chain-extended phenolic-based hydroxyl compound may comprise the reaction product of (i) a lactone or an alkoxylating agent selected from the group consisting of alkylene oxides and alkylene carbonates, and (ii) a phenolic aralkylation polymer comprising the reaction product of a phenolic monomer having at least two free reactive positions; a styrene derivative; and a coupling agent. The previously chain-extended phenolic-based hydroxyl compound also may be chain-extended by reacting with a lactam to produce a lactam chain-extended polyester polyamide. The polyols and polyamides of the present invention provide unique combinations of hard and soft functionalities, which translates into materials exhibiting a unique combination of toughness and hardness.

Abstract: A composition for the detackification and clarification of acid and alkaline paint and lacquer waste waters and paint spray booth wastes, comprising:an inorganic-organic and/or organic adduct alloy polymer composition having the formula:A.multidot.B.sup.+ .multidot.D.sup.+wherein: A=[(SiO.sub.2 /Me.sup.I.sub.2 O).sub.u Me.sup.II.sub.m Me.sub.m.sup.III(OH).sbsp.p.sup.(SO.sbsp.4.sup.).sbsp.y.sup.(Aci) (2m+3n)-p-2y].sub.rwhere r=1 to 98% bw; u=0 to 10% bw; ##STR1## where: x=0 to 98% bw; Z is a divalent substituted or unsubstituted aliphatic, cycloaliphatic, heterocyclic or aromatic radicalD.sup.+ =(PQAM).sub.wwherew=2 to 98% b.w. of polyquaternized polymer (PQAM)Me.sub.m.sup.II is selected from the divalent cationic group comprising: Mg, Zn, Ca, and Fe.sup.2+m=0 to 5Me.sub.n.sup.III is a tri-or more valent metal selected from the group comprising: Fe, Al, and Al--Zn complexes;n=1 to 20Aci is selected from the monovalent anionic group comprising Cl.sup.-, Br.sup.-, I.sup.-, NO.sub.3 --, H.sub.2 PO.sub.4 --, CH.

Abstract: Disclosed is a process which comprises reacting a polymer of the general formula ##STR1## wherein x is an integer of 0 or 1, A is one of several specified groups, such as ##STR2## B is one of several specified groups, such as ##STR3##

Abstract: This invention concerns a process for the copolymerization of formaldehyde with cyclic ethers, the process comprising combining in a hydrocarbon solvent a cyclic ether, a cationic initiator comprising an anion formed from tetraphenyl borate derivatives, and mixtures thereof, and a cation, and anhydrous formaldehyde. These initiators provide high activity, high cyclic ether incorporation rates, and stability while minimizing the production of by-products.

Abstract: Acrolein polymer from acrolein and one or more polyhydric alcohols, characterized by release of monomeric acrolein in aqueous systems and hence by a prolonged effect on microorganisms, is prepared by adding acrolein to a reaction medium containing catalyst in dissolved form, and not allowing the temperature of the reaction medium to rise about 50.degree. C. The acrolein polymer may be used in aqueous systems as a biocide.

Abstract: The present invention relates to binder compositions containingA) 40 to 95 parts by weight of OH-functional graft copolymer resins prepared by copolymerizinga) 0.1 to 10 parts by weight of polybutadienes containing at least 20% of 1,2-vinyl groups,b) 5 to 30 parts by weight of aliphatic .alpha.-olefins,c) 0.1 to 35 parts by weight of glycidyl esters of .alpha.-alkylalkane-monocarboxylic acids,d) 10 to 70 parts by weight of unsaturated, aromatic monomers,e) 5 to 60 parts by weight of hydroxyalkyl esters of acrylic and/or methacrylic acid having primary hydroxyl groups,f) 0 to 50 parts by weight of (cyclo)aliphatic esters of acrylic and/or methacrylic acid,g) 0.1 to 20 parts by weight of .alpha.,.beta.

Abstract: A process for preparing keto-functional polyethylene waxes having a molecular weight of from 150 to 1000 g/mol by telomerization of ethylene with aldehydes at from 500 to 5000 bar and from 100 to 280.degree. C., wherein ethylene and aldehyde are employed in a molar ration of from 5:1 to 50:1.

Abstract: The claimed invention is an uncured thermosetting composition which is capable of curing upon exposure to actinic radiation, said composition comprising an acetal diacrylate of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are individually hydrogen, C.sub.1-6 alkyl, aryl, or substituted aryl; R.sub.3 and R.sub.4 are individually C.sub.1-6 alkyl, aryl, substituted alkyl, or aryl alkyl; and R.sub.5 and R.sub.6 are individually hydrogen or C.sub.1-6 alkyl; and a free radical curing agent.

Abstract: A method for producing a hydroxyl-terminated (meth) acrylic polymer which comprises converting a halogen atom in a terminal structure of the general formula (1)--CH.sub.2 --C(R.sup.1)(CO.sub.2 R.sup.2)(X) (1)wherein R.sup.1 is hydrogen or methyl, R.sup.2 is alkyl containing 1 to 20 carbon atoms, aryl containing 6 to 20 carbon atoms or aralkyl containing 7 to 20 carbon atoms, and X is chlorine, bromine or iodine, of a (meth)acrylic polymer obtained by polymerizing a (meth)acrylic monomer using an organic halide or a halogenated sulfonyl compound as an initiator and, as a catalyst, a metal complex with a central metal selected from the elements belonging to the groups 8, 9, 10 and 11 in the periodic table, into a hydroxyl-containing substituent.The present invention can provide, in an easy and simple manner, a (meth)acrylic polymer which is hydroxyl-terminated at both ends in a high proportion and which has been difficult to produce in the prior art. It can give a cured product with good curing characteristics.

Abstract: The present invention relates to coating compositions including a particular class of oligomeric sterically hindered polyamines as replacements for traditional blocked and unblocked polyamine crosslinkers. The use of these oligomeric sterically hindered polyamine crosslinkers resultss in a desirable pot life/cure speed relationship not generally available with traditional unblocked polyamine crosslinkers, as well as a lower VOC and often better appearance characteristics than generally available with the traditional blocked varieties.

Abstract: Cationic urea/formaldehyde resins are obtainable by condensing urea and formaldehyde in a molar ratio of from 1:1.5 to 1:3 in the presence of polymers which contain not less than 1 mol % of polymerized vinylamine units and have Fikentscher K values of from 5 to 300, in an amount of from 5 to 50 g per mole of urea in the end product, where the mixture is first a) precondensed at a pH of from 8 to 14, then acidified and b) condensed at a pH of from 1 to 5 until gel formation begins, c) then from 0.3 to 1.5 moles of formaldehyde are added per mole of urea used, d) post-condensation is carried out and e) the resin solution is subsequently neutralized. The resins thus obtained are used in papermaking as assistants for increasing the dry and wet strength of paper and result in less dulling of the whiteness of the paper.

Abstract: Provided are light-absorbing polymers useful for imparting color and/or ultraviolet light screening properties to thermoplastic resins. The polymeric colorants or UV absorbers may be added during the formation of the uncolored thermoplastic polymer or melt or solution blended with other thermoplastic polymers.

Abstract: Cationic urea/formaldehyde resins are obtainable by condensing urea and formaldehyde in a molar ratio of from 1:1.5 to 1:3 in the presence of polymers which contain not less than 1 mol % of polymerized vinylamine units and have Fikentscher K values of from 5 to 300, in an amount of from 5 to 50 g per mole of urea in the end product, where the mixture is first a) precondensed at a pH of from 8 to 14, then acidified and b) condensed at a pH of from 1 to 5 until gel formation begins, c) then from 0.3 to 1.5 moles of formaldehyde are added per mole of urea used, d) post-condensation is carried out and e) the resin solution is subsequently neutralized. The resins thus obtained are used in papermaking as assistants for increasing the dry and wet strength of paper and result in less dulling of the whiteness of the paper.

Abstract: A process for preparing a controlled functional density poly(secondary amine) comprising: (a) contacting a polymer containing olefinic unsaturation with carbon monoxide in hydrogen under hydroformylation conditions in the presence of a hydroformylation catalyst to produce a controlled functional density polyaldehyde containing reactive carbon-carbon double bonds, and (b) contacting the polyaldehyde with hydrogen and a primary amine under reductive amination conditions in the presence of a ruthenium-containing imine hydrogenation catalyst or (b.sup.1) contacting the polyaldehyde with a sterically hindered aliphatic or cycloaliphatic primary amine or an aromatic primary amine under reductive amination conditions in the presence of an alkali metal borohydride to produce poly(secondary amine) having a substantially equivalent ratio of secondary amine groups to reactive carbon-carbon double bonds as the ratio of aldehyde groups to reactive carbon-carbon double bonds in the polyaldehyde.

Abstract: A process for preparing a controlled functional density poly(secondary amine) comprising: (a) contacting a polymer containing olefinic unsaturation with carbon monoxide in hydrogen under hydroformylation conditions in the presence of a hydroformylation catalyst to produce a controlled functional density polyaldehyde containing reactive carbon-carbon double bonds, and (b) contacting the polyaldehyde with hydrogen and a primary amine under reductive amination conditions in the presence of a ruthenium-containing imine hydrogenation catalyst or (b.sup.1) contacting the polyaldehyde with a sterically hindered aliphatic or cycloaliphatic primary amine or an aromatic primary amine under reductive amination conditions in the presence of an alkali metal borohydride to produce poly(secondary amine) having a substantially equivalent ratio of secondary amine groups to reactive carbon-carbon double bonds as the ratio of aldehyde groups to reactive carbon-carbon double bonds in the polyaldehyde.

Abstract: The invention relates to new optically active sulphur-containing amino acid derivatives, a process for their preparation, their polymerisation to give optically active polymers and the use of these optically active polymers as adsorbents for chromatographic separation of racemates into enantiomers.

Abstract: The invention relates to new optically active sulphur-containing amino acid derivatives, a process for their preparation, their polymerization to give optically active polymers and the use of these optically active polymers as adsorbents for chromatographic separation of racemates into enantiomers.

Abstract: Provided are light-absorbing polymers which contain backbone unsaturations and which are produced by knoevenagel condensation and which are useful for imparting color and/or ultraviolet light screening properties to thermoplastic resins. The polymeric colorants or UV absorbers may be added during the formation of the uncolored thermoplastic polymer or melt or solution blended with other thermoplastic polymers.

Abstract: A composition for the detackification and clarification of acid and alkaline paint and lacquer waste waters and paint spray booth wastes, comprising:an inorganic-organic and/or organic adduct alloy polymer composition having the formula:A.multidot.B.sup.+ .multidot.D.sup.+wherein:A=[(SiO.sub.2 /Me.sup.I.sub.2 O).sub.u Me.sup.II.sub.m Me.sub.m.sup.III(OH) p.sup.(SO 4.sup.) y.sup.(Aci) (2m+3n)-p-2y].sub.4wherer=1 to 98% bw;u=0 to 10% bw; ##STR1## where: x=0 to 98% bw; Z is a divalent substituted or unsubstituted aliphatic, cycloaliphatic, heterocyclic or aromatic radicalD.sup.+ (PQAM).sub.wwherew=2 to 98% b.w. of polyquaternized polymer (PQAM)Me.sub.m.sup.II is selected from the divalent cationic group comprising: Mg, Zn, Ca, and Fe.sup.2+m=0 to 5Me.sub.n.sup.III is a tri-or more valent metal selected from the group comprising: Fe, Al, and Al-Zn complexes;n=1 to 20Aci is selected from the monovalent anionic group comprising Cl.sup.-, Br.sup.-, I.sup.-, NO.sub.3 --, H.sub.2 PO.sub.4 --, CH.sub.3 COO.sup.-, OH.

Abstract: The present invention relates to a process for coating finish foils and endless edges, wherein an acid-curing aqueous coating composition, on the basis of aminoplast resin/compound containing hydroxyl groups/self-crosslinking acrylate dispersion, is applied and baked in. The coating composition used contains 5 to 20% by weight of one or more fillers of a mean particle size from 0.015 to 10 .mu.m, a maximum particle size of .ltoreq.40 .mu.m and a density of .ltoreq.2.9 g/cm.sup.3.The invention also relates to the coating compositions positions used in the process and to finish foils and endless edges produced by the process, which especially have the advantage of an extremely low formaldehyde emission, particularly as a composite with a low-formaldehyde chipboard.

Abstract: Curable binders obtained by simultaneous reaction ofA) urethanes or ureas,B) acrylic or methacrylic compounds containing hydroxyl groups,C) paraformaldehyde andD) if appropriate, polyols,wherein, in the case where no polyol D) is also reacted, the reaction is carried out in the presence of an acid ion exchanger, and in the case where a polyol D) is also reacted, the reaction is carried out in the presence of an acid ion exchanger or a strong acid.These binders are suitable as coating compositions which can be cured by electron beams or by UV light.

Abstract: Amino resins, e.g., urea-formaldehyde and melamine-formaldehyde thermosetting resins, are cured with a latent catalyst which is a thermally-decomposable adduct of an aromatic sulfonic acid (e.g., p-toluene sulfonic acid) and a bicyclic oxazolidines (e.g., 1-aza-3,7-dioxa-5-ethylbicyclo (3.3.0) octane. The coating compositions can contain other conventional co-reactants, such as polyols, polyacids, alkyd resins, polyester resins, epoxies, acrylics and the like. Coatings containing the amino resin, co-reactant, and latent catalyst have an acceptable viscosity stability, cure rapidly at temperatures lower than some other latent catalysts, and produce films with no wrinkles.

Abstract: A process for producing a resin is disclosed, comprising reacting (a) a polyalkylenepolyamine, (b) an alicyclic dibasic carboxylic acid and/or a reaction product having a free carboxyl group that is obtained by reacting an alicyclic dibasic carboxylic acid with a glycol, (c) a urea, and (d) an aldehyde and/or an alkylating agent. The resulting resin is useful as a wet strength agent to provide a paper coating composition having improved printability and printing effects.

Abstract: The present invention relates to a curable composition comprising:(A) at least one aminoplast resin; and(B) an amount effective to cure the composition of at least one catalyst selected from the group consisting of(B-1) an acid, or an anhydride, ester, ammonium salt or metal salt of the acid that is represented by one of the formulae ##STR1## (B-2) an acid, or an ester, a metal salt or ammonium salt of a sulfo compound represented by the formula: ##STR2## (B-3) an acid, or an ammonium or metal salts of a reaction product prepared by the reaction of at least one amine and sulfo compound of (B-2); and mixtures thereof;where in Formulae I and IIeach R.sub.1 and R.sub.2 is independently a hydrocarbyl, hydrocarbyloxy or hydrocaryltho group;where in Formulae I, II and IIIX.sub.1 and X.sub.2 are each independently sulfur or oxygen;R.sub.3 is a divalent hydrocaryl group,each R.sub.4 and R.sub.