摘要:
The present invention relates to a vinyl chloride-based polymer containing an unsaturated fatty acid ester at a specific ratio, a method for preparing the same, a thermoplastic resin composition containing the same, and a thermoplastic resin molded article produced from the composition. The vinyl chloride-based polymer may have good processability, and thus, the thermoplastic resin molded article produced from the thermoplastic resin composition containing the vinyl chloride-based polymer may have high impact strength and improved appearance characteristics.
摘要:
Addition-fragmentation agents of the formula are disclosed: wherein R1, R2 and R3 are each independently Z-Q-, a (hetero)alkyl group or a (hetero)aryl group with the proviso that at least one of R1, R2 and R3 is Zm-Q-, Q is a linking group have a valence of m+1; Z is an ethylenically unsaturated polymerizable group, m is 1 to 6; each X1 is independently —O— or —NR4—, where R4 is H or C1-C4 alkyl, and n is 0 or 1.
摘要:
Disclosed herein a composition comprising a urethane of the FIG. 3; where hydroxyl or amine linkages on the urethane of the FIG. 3 are functionalized with molecules that contain fluorine atoms, phosphorus atoms, sulfur atoms, unsaturated carboxylic acids, derivatives of unsaturated carboxylic acids, or combinations thereof. Disclosed herein too is a composition comprising a urethane of the FIG. 3; where hydroxyl or amine linkages of the urethane of the FIG. 3 are functionalized with molecules that contain fluorine atoms, phosphorus atoms, sulfur atoms, unsaturated carboxylic acids, derivatives of unsaturated carboxylic acids, or combinations thereof; and a polymeric resin.
摘要:
A cured composition prepared from a photopolymerizable composition that includes diethyleneglycoldimethacrylate and alkoxy-modified (meth)acrylic acid ester having an n not less than 9. The n is an average polymerization degree of an alkoxy part of the (meth)acrylic acid ester.
摘要:
A film layer comprising a high-chi (χ) block copolymer for self-assembly and a surface active polymer (SAP) was prepared on a substrate surface that was neutral wetting to the domains of the self-assembled block copolymer. The block copolymer comprises at least one polycarbonate block and at least one other block (e.g., a styrene-based block). The SAP comprises a hydrophobic fluorinated first repeat unit and a non-fluorinated second repeat unit bearing at least one pendent OH group present as an alcohol or acid (e.g., carboxylic acid). The film layer, whose top surface has contact with an atmosphere, self-assembles to form a lamellar or cylindrical domain pattern having perpendicular orientation with respect to the underlying surface. Other morphologies (e.g., islands and holes of height 1.0Lo) were obtained with films lacking the SAP. The SAP is preferentially miscible with, and lowers the surface energy of, the domain comprising the polycarbonate block.
摘要:
A polymer comprising recurring units having an acid generator bound to the backbone, and recurring units having an optionally acid labile group-substituted carboxyl group and/or recurring units having an optionally acid labile group-substituted hydroxyl group is obtained by polymerizing corresponding monomers under such illumination that the quantity of light of wavelength up to 400 nm is up to 0.05 mW/cm2. The polymer avoids photo-decomposition of the acid generator during polymerization and concomitant deprotection reaction of the acid labile group when used in positive resist compositions. A pattern with high dissolution contrast and rectangularity is formed after development.
摘要:
A process for preparing pentabromobenzyl acrylate through the reaction of pentahalobenzyl halide with a salt of acrylic acid in a water-immiscible solvent, wherein said salt is in aqueous form and the reaction is carried out in the presence of a phase transfer catalyst. A process for polymerizing the pentabromobenzyl acrylate in halogenated aromatic solvent and the poly(pentabromobenzyl acrylate) obtained are also disclosed.
摘要:
Poly (pentabromobenzyl acrylate) having a weight average molecular weight (Mw) in the range from 200,000 to 600,000 and a polydispersity index less than 15 based on high temperature gel permeation chromatography.
摘要:
The present invention discloses an improved hydrophobic, flexible co-polymer with high refractive index for use in ophthalmic lenses, particularly intraocular lens and to the process of preparation thereof.
摘要:
The present disclosure provides an crosslinkable composition comprising a (meth)acrylate copolymer component having pendant photobase functional groups and a crosslinking agent that has amine-reactive functional groups. On exposure to light, the pendant photobase group photolyzes to provide a pendant amine group, that crosslinks the copolymer.