82 results about "Benzyl methacrylate" patented technology

A polymer resin composition, a method for forming a pattern using the polymer resin composition, and a method for fabricating a capacitor using the polymer resin composition are disclosed. The polymer resin composition includes about 75 to 93 percent by weight of a copolymer prepared from benzyl methacrylate, methacrylic acid, and hydroxyethyl methacrylate; about 1 to 7 percent by weight of a cross-linking agent; about 0.01 to 0.5 percent by weight of a thermal acid generator; about 0.01 to 1 percent by weight of a photoacid generator; about 0.00001 to 0.001 percent by weight of an organic base; and a solvent.

An ink which includes a first pigment, a second pigment, a polymer dispersant and an aqueous medium; wherein the first pigment is a self-dispersing pigment having on its surface at least one anionic group bonded to the surface directly or via an atomic group, the second pigment is dispersed in the aqueous medium by the polymer dispersant, and the polymer dispersant contains benzylmethacrylate as a monomer unit. Diffusion of this ink in the printing medium is suppressed in the cross-sectional direction but not horizontal direction. Thus, the ink can form an ink dot that has a proper dot size, uniform and high density in the dot, with little feathering or blur.

A process for the preparation of a non-birefringent optical resin, characterized by copolymerizing a monomer mixture consisting of the following monomers (A) to (E) at such a ratio as to give the resin having an absolute value of orientational birefringence of less than 1x10-6; wherein(A): 5 to 40 wt % of a methacrylic or acrylic ester having a C5-C22 aliphatic hydrocarbon group in the ester moiety;(B): 50 to 80 wt % of methyl methacrylate;(C): 5 to 40 wt % of an N-substituted maleimide;(D): 0 to 30 wt % of benzyl methacrylate;(E): 0 to 10 wt % of a monomer copolymerizable with these monomers, and optical elements made by using the resin prepared by this process.

The invention discloses a wide-spectrum diesel pour point depressant composition, a preparation method thereof and an application of the composition. The pour point depressant composition comprises, in weight percent, 30-80% of benzyl methacrylate-methacrylic acid tetradecyl ester copolymers, 10-40% of arene oil, 5-50% of 1-methylnaphthalene and 5-30% of polar nitrogen-containing compounds. The raw materials are uniformly mixed according to predetermined weight percent to obtain the composition. The diesel pour point depressant composition can be rapidly dissolved in diesel oil, is high in spectrum and has remarkable pour point declining effect when being applied to different diesel, and a condensation point and a cold filter plugging point are reduced by 21-26 DEG C and 8-12 DEG C.

Disclosed is a method of making a graded index polymer optical fiber comprising a multicomponent spinning process employing spinning masses comprising a core spinning mass and a sheath spinning mass, the spinning masses comprising a polymer, a polymerizable monomer, and an initiator. The monomer in the core spinning mass has a higher refractive index than the monomer in the sheath spinning mass, and the spinning masses are extruded and cured. The spinning conditions are chosen such that the monomers are substantially contained within the fiber during extrusion and curing and the total of the spinning masses is intrinsically thread forming. The spinning masses may be extruded in, e.g., water. The core and the sheath polymer may be, e.g., poly(methyl methacrylate); the core monomer may be methyl methacrylate, and the sheath monomer may be 2,2,3,3-tetrafluoropropyl methacrylate; or the core and the sheath polymer may be, e.g., poly(styrene-co-acrylonitrile); the core monomer may be benzyl methacrylate, and the sheath monomer may be methyl methacrylate. The spinning masses are solutions of the polymer in the monomer having a polymer concentration of from 20 to 70% by weight.

A water- and oil-repellent includes, as an active ingredient, a fluorine-containing copolymer including as a copolymer unit (A) at least one of perfluoroalkylalkyl acrylates and corresponding methacrylates, (B) benzyl acrylate or benzyl methacrylate represented by the general formula: C_nF_2n+1C_mH_2mOCOCR═CH₂ (wherein R represents a hydrogen atom or a methyl group; n represents 4, 5, or 6; and m represents 1, 2, 3, or 4), (C) a fluorine-free polymerizable monomer other than benzyl acrylate and benzyl methacrylate, and (D) a cross-linkable group-containing polymerizable monomer.

Provided are an aqueous coloring agent dispersion for inkjet which achieves high pigment concentration, exhibits favorable redispersion properties after drying, and does not exhibit changes in ink properties even when stored for a long time; and an ink composition using the aqueous coloring agent dispersion. This aqueous coloring agent dispersion contains a coloring agent (I), a liquid medium (II), and a polymer dispersion agent (III). The polymer dispersion agent (III) is an A-B block polymer obtained by copolymerizing via a living radical polymerization method, by using a mixture of an organic tellurium compound represented by formula (1) and an organic ditellurium compound represented by formula (2), or the like, as a polymerization initiator. Therein, the monomer for configuring the A block is at least one type of monomer represented by formula (3), and the monomer for configuring the B block is benzyl methacrylate and/or benzyl acrylate.

A water- and oil-repellent comprising an aqueous dispersion of a fluorine-containing copolymer including as a copolymerization unit (a) a perfluoroalkylalkyl (meth)acrylate represented by the general formula C_nF_2n+1C_mH_2mOCOCR═CH₂ (wherein R represents hydrogen atom or methyl group; n represents 4, 5, or 6; and m represents 1, 2, 3, or 4), (b) benzyl (meth)acrylate, (c) a fluorine-free polymerizable monomer other than benzyl (meth)acrylate, and (d) a cross-linkable group-containing polymerizable monomer; and a blocked isocyanate added to the aqueous dispersion in a weight ratio of 0.05 to 3.0 to the weight of the solid content of the aqueous dispersion.

The invention discloses a diesel oil pour point depressant composition as well as a preparation method and application thereof. The diesel oil pour point depressant composition is prepared from the following components by mass percent: 40-60% of benzyl methacrylate-tetradecyl methacrylate, 5-25% of benzyl methacrylate-hexadecyl methacrylate, 5-20% of benzyl methacrylate-octadecyl methacrylate, 5-25% of span 80 and 10-30% of xylene. The diesel oil pour point depressant composition provided by the invention not only can effectively enhance the solubility of a pour point depressant in diesel oil,but also can effectively improve the low temperature flow performance of the diesel oil. After the obtained diesel pour point depressant composition is added into the commercially available diesel oil with model 0, the condensation point and cold filter point of the diesel oil with model 0 are respectively lowered by 22-26 DEG C and 8-11 DEG C, and the other properties of the diesel oil with model 0 can reach the national standards; the diesel oil pour point depressant composition can meet the requirement that various diesel-powered motor vehicles work normally at the low temperature.

The invention discloses a synthesis method of bagasse xylan citrate-g-BMA (benzyl methacrylate) with antitumor activity. The synthesis method comprises the following steps: firstly, synthesizing bagasse xylan-g-BMA by taking bagasse xylan as a main raw material, benzyl methacrylate as a grafting monomer and potassium persulfate as an initiator; and then performing catalytic esterification reactionin ionic liquid chlorinated-1-allyl-3-methylimidazole (AmimCl) by taking citric acid as an esterifying agent and sodium hypophosphite monohydrate as an esterification catalyst to synthesize the bagasse xylan citrate-g-BMA. The bagasse xylan is subjected to grafting, esterification and composite modification and two bioactive groups are introduced, so the water solubility and the heat stability ofthe bagasse xylan are improved, the antitumor activity of the bagasse xylan is further enhanced, and a certain application prospect in the aspects of development of anti-cancer medicines and the likeis achieved.

The invention discloses a preparation method for a spiropyran-based random copolymer P(SPMA-co-MAA). The method comprises the steps that spiropyran-based acrylate and 2-nitryl benzyl methacrylate are subjected to atom transfer radical polymerization in an oxygen-free environment on the condition that copper halide, a ligand and an initiator exist, and an obtained intermediate polymer P(SPMA-co-NBM) is subjected to an NBM unit decomposition reaction under ultraviolet irradiation to obtain the spiropyran-based random copolymer P(SPMA-co-MAA). According to the method, the advantages that the reaction speed is higher, the reaction condition is mild, the operation process is convenient, and the product loss is little are achieved, the toxic action possibly caused to a catalyst due to the fact that atom transfer radical polymerization is performed by directly adopting methacrylic acid is effectively avoided, the defects that existing chemical hydrolysis is low in yield and complex in process are overcome, and the good developing prospect on functional polymers and the technical fields thereof is achieved.

The invention provides an oil performance improver. The oil performance improver comprises, by mass, 40-60% of benzyl methacrylate-tetradecyl methacrylate and 25-70% of a solvent; and the solvent is composed of 20-40% of dimethyl phthalate and 5-20% of cyclohexane, or the solvent is composed of 10-30% of n-butyl acetate, 5-20% of polyethylene glycol 200 and 10-20% of propylene glycol block polyether. The above diesel pour point depressant composition of the invention can effectively enhance the solubility of a pour point depressant in diesel, reduce the cost of the pour point depressant and effectively improve the low-temperature flow performance of the diesel.

The invention relates to a PC/PMMA alloy and a preparation method and application thereof. The alloy is prepared from the following raw materials in parts by weight: 60-95 parts of PC, 8-40 parts of polymethyl methacrylate copolymer and 0.1-1 part of compatilizer, wherein the polymethyl methacrylate copolymer is formed by copolymerizing a main body monomer and a comonomer according to a molar ratio of (1.5:1) to (4:1); the main body monomer is methyl methacrylate; the comonomer is selected from at least one of benzyl methacrylate, phenyl methacrylate and methyl methylphenylmethacrylate, and the refractive indexes of the polymethyl methacrylate copolymer and the PC are similar, and the compatilizer can improve the compatibility of the polymethyl methacrylate copolymer and the PC, so that the PC/PMMA alloy has the advantages of high transparency, high light transmittance, high hardness and scratch resistance.

The invention discloses an intelligent encapsulation acid and a use method thereof, wherein the encapsulation acid is composed of a core material and a shell material wrapping the core material, and the core material is a liquid acid; the liquid acid is an acidic liquid used in the oilfield exploitation process; the shell layer material is hydrophobic nanoparticles with the size of 10-500 nm, andthe nanoparticles are one or a combination of at least two of fumed silica, polystyrene, poly(benzyl methacrylate) and a fluorine-containing polymer. The encapsulation acid is used in an oil and gas production increasing process including acidification, acid fracturing and plug removal of an oil and gas reservoir, and when the encapsulation acid is used, after the encapsulation acid is carried toa target position of a stratum by adopting a carrying fluid, the encapsulation acid releases liquid acid to react with the stratum after encountering a release agent. In the invention, the liquid acidis converted into powder, so that corrosion to a container and a pipeline during acidification construction is avoided, the liquid acid is released after the powder acid reaches a target stratum; when the liquid acid reacts with the stratum, the effective acidification distance can be greatly increased.

The invention relates to a diesel oil pour point depressant composition. The diesel oil pour point depressant composition comprises, by mass, 40-60% of benzyl methacrylate-maleic anhydride tetradecylamine, 10-30% of benzene solvent, 5-20% of polyethylene glycol, 10-30% of Tween. A preparation method of the diesel oil pour point depressant composition includes: S1, evenly mixing the ingredients by stirring at a temperature of 25-40 DEG C to obtain a primary mixed solution; S2, dispersing the primary mixed solution with an ultrasonic generator to obtain the diesel oil pour point depressant composition. Compared with the prior art, the diesel oil pour point depressant composition has the advantages of wide application range and can be applied to all diesel oil in the current market, dispersity of the pour point depressant in 0# diesel oil sold in the market can be improved, a condensation point of the 0# diesel oil can be lowered by 20-25 DEG C, and a cold filter plugging point of the 0# diesel oil can be lowered by 6-11 DEG C.

The invention discloses LDPE composite flame-retardant plastic comprising the following components, by weight, 40-50 parts of LDPE, 40-50 parts of EVA, 70-75 parts of aluminium hydroxide, 10-12 parts of amorphous phosphorus, 30-33 parts of ammonium polyphosphate, 11-13 parts of dipentaerythritol, 0.25-0.31 parts of DCP, 3.5-3.8 parts of a coupling agent, 10-13 parts of benzyl methacrylate, 8-10 parts of methacrylic acid, 10-11 parts of dihydro dicyclopentadienyl acrylate, 10-20 parts of butadiene rubber, 1-2 parts of paraffin, 7-8 parts of hydrated zinc borate, and 10-12 parts of polybrominated diphenylether. The flame-retardant plastic provided by the invention has the advantages of good mechanical performance and high thermal stability. The plastic has excellent flame-retarding performance reaching a V-0 level. The density of the plastic is low, such that plastic weight can be reduced, and cost can be reduced. The elongation rate of the plastic is high.

The invention discloses an environment-friendly printing technology for printing ink. The environment-friendly printing technology includes steps of S10, printing the printing ink on base materials toform printed matters; S20, irradiating infrared light sources on the printed matters until films are formed by the printing ink. The printing ink comprises, by weight, 60-70 parts of water, 3-10 parts of latex binders, 1-5 parts of 2-pyrrolidinone, 1-3 parts of benzyl methacrylate, 10-20 parts of ethyl alcohol, 1-5 parts of citric acid and 0.5-6 parts of colorants. The environment-friendly printing technology in an embodiment of the invention has the advantages that the environment-friendly printing technology includes the simple technological steps, the water is used as a main solvent for the printing ink, solvents, such as benzene with severe pollution on environments and human bodies, in the printing ink are reduced to a great extent, and accordingly the environment-friendly printing technology is green and environmentally friendly; the printing ink is good in adhesion, low in film-forming temperature and high in film-forming speed, good printing effects can be realized, and the environment-friendly printing technology can adapt to printing diversified packaging boxes and is wide in adaptability.

The invention relates to an efficient biodiesel pour point depressant composition. The efficient biodiesel pour point depressant composition is prepared from the following components in percentage bymass: 10-20% of dimethyl phthalate, 10-30% of diethyl phthalate, 5-20% of oleic alcohol ethoxylate and 40-60% of hexadecyl methacrylate-benzyl methacrylate-N-vinyl pyrrolidone. According to the efficient biodiesel pour point depressant composition, the dimethyl phthalate and the diethyl phthalate are used as good solvents, the surfactant oleic alcohol ethoxylate 1602 is used as a solubilizer, thesolvent base of a pour point depressant in biodiesel can be enhanced, the solubility and dispersity of the pour point depressant in diesel are improved, a condensation point and a cold filter pluggingpoint of the biodiesel are effectively reduced, and use of the biodiesel is popularized.

The invention relates to a polymer cement waterproof paint suitable for a low-temperature environment and a preparation method thereof. The waterproof paint comprises a liquid material and a powder material; wherein the liquid material comprises the following raw materials by weight: 15-30 parts of a composite emulsion, 20-35 parts of a plasticizer, 0.5-1 part of a dispersing agent, 0.1-0.5 part of a preservative and 8-15 parts of water; and the powder material comprises the following raw materials by weight: 30-40 parts of cement, 15-25 parts of filler and 0.5-2 parts of a water reducing agent. The liquid material in the waterproof paint is added with the composite emulsion, which is a composite core-shell structure of isooctyl acrylate, 4-(N, N-dimethylamino)benzyl methacrylate and glycidyl acrylate, and the core-shell structure enables the waterproof paint to still maintain excellent toughness at a low temperature.