摘要:
The present invention provides a novel method for preparing a novel curing agent composition suitable for curing epoxy resin compositions. The present invention also provides the novel curing agent compositions.
摘要:
A curing catalyst for use in epoxy resin, said curing catalyst being a metal salt complex of an adduct between polyepoxide and imidazoles; and a heat curing coating composition prepared by mixing the above curing catalyst with a coating composition containing an epoxy group-containing compound.
摘要:
A photocopolymerizable composition for backsealing a ceramic carrier and process for using the composition is disclosed. The composition comprises: a liquid, multifunctional, bisphenol based epoxy; a liquid, multifunctional hydroxyl containing organic material; a complex onium salt photoinitiator; and, a complex cupric salt initiator. The composition utilizes a strong Bronstead acid for additional deep curing created by iodonium salt thermolysis.
摘要:
Two component water-based coatings, inks, adhesives and sealants prepared by reacting enhanced molecular weight epoxy emulsions with amine curatives.
摘要:
Disclosed is a thermosetting coating composition comprising (A) an epoxy compound and (B) an aromatic sulfonium salt represented by the formula ##STR1## wherein R.sup.1 represents a hydrogen atom, a hydroxyl group, an alkoxyl group, or a group represented by the formula ##STR2## wherein Y represents an alkyl group, an alkoxyl group, a phenyl group or a phenoxy group all of which may have a substituent, each of R.sup.2 and R.sup.3 represents a hydrogen atom, a halogen atom, or an alkyl group, each of R.sup.4 and R.sup.5 represents an alkyl group, an aralkyl group or an aryl group all of which may have a substituent, and X.sup.- represents SbF.sub.6.sup.-, PF.sub.6.sup.-, AsF.sub.6.sup.-, or BF.sub.4.sup.-.
摘要:
Aqueous pigment slurries which contain up to 80% by weight of a finely divided pigment in dispersed form and from 0.1 to 5% by weight of dispersants which are obtainable by reacting (a) polyalkylenepolyamines, polyamidoamines, polyamidoamines grafted with ethyleneimine, polyetheramines and mixtures of the stated compounds and (b) monoethylenically unsaturated carboxylic acids, salts, esters, amides or nitriles of monoethylenically unsaturated carboxylic acids, chlorocarboxylic acids and/or glycidyl compounds and, if required, (c) bifunctional or polyfunctional crosslinking agents which have a halohydrin, glycidyl, aziridine or isocyanate unit or a halogen atom as a functional group, to give water-soluble condensates which, in 20% strength by weight aqueous solution at 20.degree. C., have a viscosity of at least 100 mPa.s are prepared by milling or dispersing pigments in the presence of the dispersants and water and are used as additives to paper stock in the production of filler-containing paper.
摘要:
The present invention provides a novel method for preparing a novel latent curing agent composition suitable for curing epoxy resin compositions. The present invention also provides the novel latent curing agent compositions.
摘要:
The invention relates to an organic phosphorus compound-containing which comprises an interpenetrating polymer network (IPN) produced by polymerizing free-radically polymerizable monomers comprising at least an allyl group-containing monomer and an epoxy resin.
摘要:
Disclosed are novel crosslinked polymeric ammonium salts wherein in said polymeric salt: about 25% or more of the segments which link ammonium nitrogen atoms are group Y wherein Y is an n-alkylene group or alkyl substituted n-alkylene group, wherein said n-alkylene group has 7 to about 20 carbon atoms; zero to about 75% of segments which link ammonium nitrogen atoms are group Z wherein Z is a hydrocarbylene radical containing 2 or more carbon atoms, said hydrocarbylene radical optionally containing one or more hydroxyl, ether, amino, thioether, keto, or silyl groups or heterocyclic rings; and about 25% or more of the ammonium atoms are secondary ammonium atoms.
摘要:
A method for decorating a substrate with hot stamping foil comprising the steps of: a) applying an ink composition comprised of a cationically radiation cured cycloaliphatic epoxide to the substrate in a predetermined design, said ink being operable when cured to bond to the substrate, b) curing the ink on the substrate by exposing to the radiation by which it is curable, thereby bonding the ink composition to the substrate, c) pressing a sheet of hot stamping foil against the substrate with a die heated to a temperature sufficient to cause a portion of the hot stamping foil to adhere to the heated, cured ink design but not to the ink-free areas of the substrate, and d) removing the die, thereby leaving behind a portion of the foil adhered to the ink design.