摘要:
The present invention relates to a copolymer composition comprising 5-95 pphwm of vinyl acetate and 95-5 pphwm of vinyl 3,5,5-trimethylhexanoate, wherein the corresponding 3,5,5-trimethylhexanoic acid has a content of the 3,5,5-trimethylhexanoic acid isomer of at least 88% by weight. Said copolymer is composed and synthesized so as to be useful in the formulation of binders for fibrous substrates such as woven or nonwoven products, paints, adhesives for porous or non-porous substrates, construction cementitious compositions, redispersible powders.
摘要:
The present invention relates to the vinyl ester of isononanoic acid starting from 2-ethyl hexanol, a methods for the production thereof comprising the dehydrogenation of 2-ethyl hexanol to an octene, which octene is then transformed into a isononanoic acid extended by a carbon atom, which isonanoic acid is then reacted to the corresponding vinyl ester. The present invention also relates to the use of the thus-produced vinyl ester in copolymers.
摘要:
The present invention relates to a continuous method for producing primary aliphatic amines with 3 to 18 carbon atoms in the molecule by reductive amination of the corresponding aliphatic aldehydes. The reaction takes place without solvent, wherein the aldehyde used is reacted with hydrogen and ammonia in the presence of a hydrogenation catalyst above the critical point of ammonia and more than 16 mol of ammonia is used per mol of aldehyde used.
摘要:
The invention relates to a method for producing diisobutene from enzymatically produced isobutene, the higher purity of which improves the method and the properties of the produced diisobutene.
摘要:
The invention relates to a method for the coupling production of acetic acid or propionic acid reaction products and a vinyl ester of formula R-C(O)O-CH = CH2 by a transvinylation reaction of a carboxylic acid of formula R-C(O)OH with a transvinylation reagent of formula R 1 -C(O)O-CH = CH 2 wherein R represents an aliphatic, cycloaliphatic or aromatic radical and R 1 is methyl or ethyl and the transvinylation reaction is continuously carried out without removing a reaction partner in the presence of a transition metal catalyst containing at least one transition metal selected from the group comprising ruthenium, osmium, rhodium, iridium, palladium and platinum, the obtained reaction mixture being separated from its components, the vinyl ester of formula R-C(O)O-CH = CH2 and the carboxylic acid of formula R 1 -C(O)-OH being separated and the thus obtained carboxylic acid R 1 -C(O)-OH being converted into a derivative of formula R 1 -C(O)-X, R 1 -CH 2 -OH or R 6 -C(O)-OH.
摘要:
The present invention relates to a copolymer composition comprising 5-95 pphwm of vinyl acetate and 95-5 pphwm of vinyl 3,5,5-trimethylhexanoate, wherein the corresponding 3,5,5-trimethylhexanoic acid has a content of the 3,5,5-trimethylhexanoic acid isomer of at least 88% by weight. Said copolymer is composed and synthesized so as to be useful in the formulation of binders for fibrous substrates such as woven or nonwoven products, paints, adhesives for porous or non-porous substrates, construction cementitious compositions, redispersible powders.