5107 results about "Butyl acrylate" patented technology

The present invention, a powder composition for making powder coatings comprising one or more than one curable polymer or resin and an agglomerate of a core-shell polymer, wherein the agglomerate of a core-shell polymer has an average particle size of from 5 to 190 microns, preferably from 10 to 127 microns. The powders in accordance with the present invention provide a cured powder coating that is flexible, smooth, and which may be applied in a thickness of only from 0.3 to 8 mils. In a preferred embodiment of making a powder in accordance with the present invention, the agglomerate is cryoground to form a reduced agglomerate prior to adding it into a powder as a post-blend or a powder-forming mixture as a preblend. The preferred core-shell polymer for use in accordance with the present invention comprises an acrylic impact modifier having a poly(methyl methacrylate) shell and a poly(butyl acrylate) core. Further, the preferred curable polymer or resin powder is an epoxy resin, wherein the powder composition is a low temperature curing one component powder composition which cures at from 107 to 149 degrees C.

Interpolymer resin particles comprised of 20% to 80% by weight polyolefin, e.g. polyethylene and 80% to 20% by weight of an in situ polymerized vinyl aromatic resin, e.g. polystyrene or poly(styrene-butyl acrylate) and forming an interpenetrating network of polyolefin and vinyl aromatic resin particles. The interpolymer particles are impregnated with a volatile hydrocarbon blowing agent, and limonene, e.g. d-limonene, ranging from about 0.1 to about 5 parts, preferably 0.1 to 1 part by weight, based on 100 parts by weight of the interpolymer particles, for improved expandability and a pleasant fragrance.

The invention discloses a wet-rub resistant styrene-acrylic emulsion and the preparation method. The existing styrene-acrylic emulsion still can not reach the requirements under the conditions with high wet-rub resistance. The invention is takes styrene, butyl acrylate, methyl methacrylate and acrylic acid as the polymeric monomer of the system, the functional monomers containing ureido as the modified monomer of the system, compound emulsifiers as the emulsifier of the system, and thermal decomposition initiators as the initiator of the system, so as to prepare and obtain the wet-rub resistant styrene-acrylic emulsion through core-shell polymerization. The invention adopts the core-shell polymerization technology to enable the functional monomer components to be mainly distributed in the shell layers by controlling the dropping rate, so as to achieve the purpose of modifying the styrene-acrylic emulsion. The styrene-acrylic emulsion obtained through such a method has better wet-rub resistant performance and can be used as the base material of interior and exterior wall coatings, which has good prospects for development.

The invention discloses aqueous acrylic acid-modified alkyd resin and a preparation method thereof. Basic alkyd resin of the aqueous acrylic acid-modified alkyd resin is prepared from an unsaturated fatty acid, benzoic acid, trimethylolpropane, pentaerythritol, maleic anhydride, isophthalic acid, ethylene glycol monobutyl ether and butanol. The aqueous acrylic acid-modified alkyd resin is prepared by adding styrene, methyl methacrylate, butyl acrylate, acrylic acid, a silane coupling agent, benzoyl peroxide, tert-butyl hydroperoxide, ethylene glycol monobutyl ether and a mixing neutralizer into the basic alkyd resin. According to the aqueous acrylic acid-modified alkyd resin and the preparation method thereof, the advantages of alkyd resin and acrylic resin are integrated, and a product has high gloss retention, color retention and weather resistance; a production process is simple, the raw materials are readily available, and the production cost is low; a paint production process is simple, water is used as a diluting agent, and safety and convenience in construction are ensured.

The water-thinned flash paint consists of water dispersible acrylic resin, deionized water, water-thinned curing cross-linking agent, water dispersible aluminum powder, dispersant, carboxymethyl butyl acetate resin fiber and water thinned assistant. The water dispersible acrylic resin is prepared with monomer mixture of methyl methacrylate, styrene, butyl acrylate, methacrylic acid, ethoxy methacrylate and acetyl acetoxy methacrylate, and through free radical polymerization. The water-thinned flash paint has regularly arranged water dispersible aluminum powder, and can form paint film with high flash number, great adhesion of metal grain, high water tolerance, etc.

The invention provides an irradiation-crosslinked low-smoke halogen-free inflaming retarding insulation material for a nuclear power station cable. The insulation material comprises the following components in parts by weight: 100 parts of basic resin (A), 2-5 parts of antioxidant (B), 3-10 parts of irradiation-resisting agent (C), 110-170 parts of fire retardant (D), 2-10 parts of compatilizer (E), 0.1-0.8 part of anticopper agent (F), 0.2-2 parts of lubricant (G) and 2-10 parts of cross-linking sensitizing agent (H), wherein the basic resin (A) comprises a combination of polyethylene-octeneelastomer (POE) ethylene-butyl acrylate (EBA) and linear very low density polyethylene (VLDPE), and the weight ratio of the POE to the EBA to the VLDPE is (10-20):(65-80):(10-20).

The invention relates to a preparation method for an acrylic resin/graphene oxide nanometer composite leather finishing agent. In the preparation method, a nanometer graphene oxide suspension liquid is formed through peeling and dispersing; and then the acrylic resin/graphene oxide nanometer composite acrylic resin finishing agent is prepared through in-situ polymerization. The preparation methodcomprises the following specific steps: carrying out oxidization and ultrasonic stripping on natural graphite powder to prepare graphene oxide; adding graphene oxide to a mixed monomer of methyl acrylate, ethyl acrylate, butyl acrylate, acrylic acid and hydroxyethyl acrylate under the action of ultrasonic waves; and carrying out in-situ free radical copolymerization reaction under the action of an initiator ammonium persulfate to obtain the acrylic resin/graphene oxide nanometer composite leather finishing agent. The preparation method has the characteristics that the acrylic resin/graphene oxide nanometer composite leather finishing agent with excellent film-forming hand feel, strength and anti-static performances and no heat bonding and cold brittleness defects is prepared by using the specific laminated structure and performance of graphene oxide.

The invention discloses hydrogel with a self-repairing function and a preparation method of the hydrogel. The hydrogel is a hydrophobic unit-UPy (ureido pyrimidinone)-PEG (polyethylene glycol)-UPy-hydrophobic unit polymer. According to the preparation method, firstly, an intermediate Br-PEG-Br and a quadruple hydrogen bonding unit intermediate UPyMA are synthesized and then are copolymerized with hydrophobic units such as butyl acrylate, styrene, methacrylate containing 3-10 carbon and the like, and a target polymer is obtained. The hydrogel has high water-retaining property, varieties of hydrogel with better performance can be prepared by adjusting the proportion of hydrophilic and hydrophobic chain segments in the polymer or changing the variety of a hydrophobic monomer, and the application range is enlarged.

The invention discloses a preparation method for halogen-free flame retardant polyester labeled paper. The method is characterized in that the method comprises the following steps: adopting butyl acrylate, ethylhexyl acrylate, acrylic acid, hydroxyethyl acrylate, ethyl methacrylate, a phosphorus-containing flame retardant monomer, a solvent, an initiator, and the like as raw materials to prepare a phosphorus-containing flame retardant acrylic acid pre-polymerization resin; preparing a phosphorus-containing flame retardant acrylic acid pressure sensitive adhesive; uniformly coating the phosphorus-containing flame retardant acrylic acid pressure sensitive adhesive on a halogen-free flame retardant polyester thin film; compounding the polyacrylate pressure sensitive adhesive-coated halogen-free flame retardant polyester thin film and a polyester release film; and carrying out ripening to prepare the halogen-free flame retardant polyester label product. With the present invention, the flame retardant and pressure sensitive adhesion property, the appearance and the environmental protection quality of the whole label product can be effectively improved, and the halogen-free flame retardant polyester labeled paper can meet the performance requirement of VTM-0 grade flame retardation.

A composition comprising: (a) one or more copolymers selected from the group consisting of (I) a copolymer of ethylene and vinyl acetate containing about 10 to about 50 percent by weight vinyl acetate and having a melt mass flow rate of about 1 to about 100 grams per 10 minutes; (II) a copolymer of ethylene and ethyl acrylate containing about 10 to about 50 percent by weight ethyl acrylate and having a melt mass flow rate of about 1 to about 100 grams per 10 minutes; and (III) a copolymer of ethylene and butyl acrylate containing about 10 to about 50 percent by weight butyl acrylate and having a melt mass flow rate of about 1 to about 100 grams per 10 minutes, and based upon 100 parts by weight of component (a): (b) about 55 to about 200 parts by weight of a linear copolymer of ethylene and an alpha-olefin having 3 to 12 carbon atoms, the copolymer having a melt mass flow rate of about 0.1 to about 30 grams per 10 minutes and a density of 0.870 to 0.944 gram per cubic centimeter; (c) about 5 to about 50 parts by weight of polypropylene having a melt mass flow rate of about 0.5 to about 30 grams per 10 minutes and a density of 0.900 to 0.920 gram per cubic centimeter; (d) about 2 to about 50 parts by weight of an organopolysiloxane having the following formula: R1xR2ySiO(4-a-b)/2 wherein R1 is an aliphatic unsaturated hydrocarbon group; R2 is an unsubstituted or substituted monovalent hydrocarbon group excluding aliphatic unsaturated hydrocarbon groups; x is equal to or greater than 0 but less than 1; y is greater than 0.5 but less than 3; x+y is greater than 1 but less than 3; a is greater than 0 but equal to or less than 1; and b is equal to or greater than 0.5 but equal to or less than 3; (e) about 10 to about 350 parts by weight of carbon black; and (f) optionally, up to about 2 parts by weight of an organic peroxide.

A composition useful as a wire or cable insulation or sheathing layer, the composition comprising (i) an inorganic flame retardant, e.g., aluminum trihydroxide (ATH), (ii) ethylene ethyl acetate (EEA) or ethylene butyl acrylate (EBA), (iii) a homogeneous polyethylene, (iv) an ethylenic resin modified with an organo-functional group, e.g., maleic anhydride (MAH) grafted polyethylene, (v) a silicone polymer, and optionally, (vi) a smoke suppressant. The insulation or sheathing layer comprising the composition of this invention exhibits good resistance to stress and/or thermal cracking.

The invention relates to a preparation method of butyl acrylate, which is characterized in that the synthesis of butyl acrylate is completed in a reaction rectifying tower, the separation of products and raw materials is completed through azeotropic rectification, and heavy components generated by the reaction in a stripping section and the tower are resolved into the raw materials and the products so as to finally obtain a butyl-acrylate-enriched organic phase having an acrylic acid content of 4ppm at the tower top.

The invention provides a cation surface sizing agent and preparation method thereof. Raw materials are as follows by weight percent: 8-17% of styrene, 5-15% of butyl acrylate, 0.5-5% of acrylamide, 0.5-5% of N-hydroxymethyl acrylamide, 1-5% of methyl acryloyl ethyl trimethylammonium chloride, 2-8% of starch, 0.001-0.003% of amylase, 0.2-0.7% of organic acid, 0.2-0.8% of emulsifier, 1-5% of 27% hydrogen peroxide, 0.01-0.05% of iron dichloride, the balance water. The cation surface sizing agent is prepared by starch pasting, monomer pre-emulsion and emulsion polymerization. The invention is usedfor surface sizing of paper and achieves the aim of improving physical performances of paper such as water-resistance, ring crush compression resistance, surface strength and the like.