13463-71-3

Usage

InChI:InChI=1/C9H16O3/c1-7(2)8(11)12-6-9(3,4)5-10/h10H,1,5-6H2,2-4H3

Upstream product

• 1381948-45-3 3-(methacryloyloxy)-2,2-dimethylpropyl 3-oxobutanoate 
• 126-30-7 2,2-Dimethyl-1,3-propanediol 
• 80-62-6 methacrylic acid methyl ester 
• 502-44-3 hexahydro-2H-oxepin-2-one 

Relevant academic research and scientific papers

ACETOACETATE-FUNCTIONAL MONOMERS AND THEIR USES IN COATING COMPOSITIONS

Acetoacetate-functional monomers are disclosed that correspond to the following formula 1: in which R is hydrogen, or a methylgroup; X is a branched alkyl or a branched cyclic alkyl having from 5 to 8 carbon atoms; and Y1 and Y2 are independently hydrogen or methyl. Also disclosed are emulsion, suspension, and solution polymers comprising residues from the acetoacetate-functional monomer of formula 1 and one or more additional ethylenically unsaturated monomers. Self-curing coating compositions are likewise disclosed that comprise the acetoacetate-functional monomer of formula 1, and optionally one or more additional ethylenically unsaturated monomers. Latex formulations are also disclosed that comprise a polymer having residues from the acetoacetate-functional monomer of formula 1 dispersed in an evaporable aqueous carrier.

Hydroxy functional acrylate and methacrylate monomers prepared via lipase-catalyzed transacylation reactions

Candida antarctica lipase B (CAL-B, Novozyme 435) catalyzes the transacylation of methyl acrylate and methyl methacrylate with diols and triols in 2-methyl-2-butanol at 50 °C. Under the experimental conditions, up to 70 mol% of the acyl donor methyl acrylate was converted. Methyl methacrylate is the less efficient acyl donor (up to 60 mol%) due to the higher sterical hindrance in the enzymatic transacylation. Under the reaction conditions high yields of the mono-acylated products are obtained, which contain minor amounts of bis(meth)acrylates. In addition it was observed that Novozyme 435 catalyzes regioselectively the acylation of the primary hydroxyl groups. In comparison with the chemical catalyzed route no selectivity was observed for unsubstituted diols. For substituted diols more mono-acylated product was formed in the lipase-catalyzed reaction than in the chemical catalyzed reaction.

Hydroxyl-containing monomer, polymer, resist composition, and patterning process

A hydroxyl-containing monomer of formula (1) is provided wherein R1 is H, F, methyl or trifluoromethyl, R2 and R3 are monovalent C1-C15 hydrocarbon groups, or R2 and R3 may form an aliphatic ring. The monomers are useful for the synthesis of polymers which have high transparency to radiation of up to 500 nm and the effect of controlling acid diffusion so that the polymers may be used as a base resin to formulate radiation-sensitive resist compositions having a high resolution.

Chromene compound

A photochromic compound featuring a large fading rate to prevent a change in the color tone at the time of fading, exhibiting little color after aged, and exhibiting good durability in the photochromic property. The photochromic compound is a novel chromene compound having a substituted phenyl group at the second position of the naphthopyrane ring and an alkyl group at the fifth position thereof, and is represented by, for example, the following formula, wherein R1 is an alkyl group, R2 and R3 are substituted phenyl groups, and R4 and R5 are substituents.

Process for preparing a polymerizable compound having both polymerizable double bond and hydroxyl group

A process for preparing a polymerizable compound of the formula: STR1 or a polymerizable compound of the formula: STR2 is provided. These formed compounds are useful for the preparation of an acrylic resin which is low in viscosity and capable of forming