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:
This invention relates to terpene derived compounds and farnesene derived compounds, and to the use of such terpene derived compounds and farnesene derived compounds in lubricants, detergents, dispersants, functional fluids, fuels, polymer compositions, cold flow improvers, and the like.
摘要:
A polymerizable UV-absorbing colorant monomer is provided, which is excellent in stability under alkaline conditions and which is available for a useful material polymer for an intraocular lens. A compound, which is represented by the following general formula (1), is used as a polymerizable UV-absorbing monomer available for a material polymer for an intraocular lens: (in the general formula (1), R1 is a hydrogen atom, a hydroxy group, a carboxy group, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, a sulfonic acid group, or a benzyloxy group, R2 is a hydrogen atom, a hydroxy group, or an alkoxy group having 1 to 4 carbon atoms, and R3 is represented by the following formula (2)): (in the general formula (2), R4 is a hydrogen atom or a methyl group, and R5 is a single bond or an alkylene group having 1 to 4 carbon atoms which may have a substituent or substituents.)
摘要:
The invention relates to a graft copolymer latex comprising the which comprises a graft copolymer ABC of at least one olefinically unsaturated monomer C and at least one modified alkyd resin A2B or modified oil A1B which modified alkyd resin A2B or modified oil A1B have chain-pendant olefinically unsaturated groups, to a process for its preparation, and the use thereof a binder in coating compositions.
摘要:
A sulphur-free polymer comprising structural units of formula (I) and structural units of formula (II): wherein R1 represents a C8 to C22 alkyl group, preferably a C12 to C16 alkyl group; wherein R2 is hydrogen or methyl; wherein R3 represents —R5(OR6)nOR7; wherein R5 and R6 may be the same or different and independently represent a linear or branched C1 to C8 alkylene group; wherein n is an integer from 1 to 20; wherein R7 represents a C1 to C4 alkyl group; wherein R4 is hydrogen or methyl; and wherein the molar ratio of structural units (I):structural units (II) in the polymer is in the range from 100:1 to 2:1. The polymers improve the low-temperature properties of fuel oils from petroleum sources, those from vegetable or animal sources, and mixtures of these fuel oils.
摘要:
The invention relates to a process for preparing a cross-linkable aqueous copolymer dispersion, wherein the process includes (1) polymerizing 5 to 64% by weight of a reaction product of at least one fatty acid having at least one ethylenic double bond and one hydroxyl group in the molecule with a polyalcohol having a hydroxyl functionality of 2 to 8, preferably the triglyceride of ricinoleic acid with 36 to 95% by weight of additional unsaturated monomers, wherein additional unsaturated monomer are polymerized in presence of at least 20% by weight of the total amount of the reaction product as polymerization medium. Aqueous coating compositions containing the aforedescribed aqueous copolymer dispersions show very good drying results compared to known aqueous coating compositions of prior art. In addition coatings therefrom show improved hardness and scratch resistance as well as improved gloss and recoat adhesion.
摘要:
A class of molecularly imprinted polymers that specifically recognizes and binds to TSNAs are useful, for example, in analysis and separation of TSNAs from biological fluids. Such polymers are also useful in methods of treating and manufacturing tobacco products and materials.
摘要:
There are provided a radical polymerizable composition having a low viscosity suitable for coating and a cured product and a plastic lens each obtained by curing the composition, the cured product having a high refractive index, good adhesiveness to a plastic film substrate, and good adhesiveness kept even under high-temperature and high-humidity conditions. The radical polymerizable composition includes phenylbenzyl (meth)acrylate (A), an epoxy (meth)acrylate (X) having an aromatic ring in its molecular structure, and a radical polymerization initiator (Y) as essential components.
摘要:
There are provided a radical polymerizable composition having a low viscosity suitable for coating and a cured product and a plastic lens each obtained by curing the composition, the cured product having a high refractive index, good adhesiveness to a plastic film substrate, and good adhesiveness kept even under high-temperature and high-humidity conditions. The radical polymerizable composition includes phenylbenzyl (meth)acrylate (A), an epoxy (meth)acrylate (X) having an aromatic ring in its molecular structure, and a radical polymerization initiator (Y) as essential components.
摘要:
A photo or heat-sensitive polymer comprising recurring units having polymerizable anion-containing sulfonium salt and phenolic hydroxyl-containing recurring units is useful as a base resin to formulate a resist composition having high sensitivity, high resolution and low LWR.