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61results about How to "Won't foam" patented technology

Vinyl acetate-acrylate copolymer emulsion, its synthesis method and application

The invention relates to a vinyl acetate-acrylate copolymer emulsion, which is prepared by adopting OP-10, SDBS, SVS, water, acrylic acid and a seed emulsion as the bottom water system, taking VAc, BA and AA as the monomer, employing ammonium persulfate as the oxidant, and using sodium bisulfite as the reducing agent. Specifically, the seed emulsion in the bottom water system is prepared by using SDBS, OP-10, AA, sodium carbonate and water as the base solution, adopting VAc, BA and AA as the monomer, employing SDBS, OP-10, sodium carbonate and water as the pre-emulsification system, taking ammonium persulfate as the oxidant, and adopting sodium bisulfite as the reducing agent. The emulsion provided in the invention has a solid content of 40%-45%, viscosity (in terms of a 4-cup application amount) of 20S-26S, bonding peel strength (N/2.5cm) of 1.4-2.5, a surface tension force of 32-37 dyne, and a film contact angle of 25-29 degrees, thus being particularly suitable for application in dry paper-plastic or plastic-plastic composite adhesives. The preparation method of the vinyl acetate-acrylate copolymer emulsion has the characteristics of mild reaction conditions and safety reaction system, thus being conducive to factory mass production.
Owner:CHINA PETROCHEMICAL CORP +2

Preparation method of silicone resin for adhesion of solvent-free environment-friendly glass fiber

The invention provides a preparation method of silicone resin for adhesion of solvent-free environment-friendly glass fiber. The preparation method comprises the steps of (1) preparing solvent-free vinyl MDTQ silicone resin; (2) preparing vinyl phenyl silicone oil; (3) adding the vinyl MDTQ silicone resin, the vinyl phenyl silicone oil and precipitation method silicon dioxide into a reaction kettle according to the proportion of (2-4): (5-7): (1-2) in parts by weight, heating to 150-200 DEG C under stirring conditions, performing heat preservation for 2h, cooling and discharging to obtain base glue; (4) taking 100 parts by weight of the base glue, adding 8-6 parts by weight of hydrogen-containing silicone oil with the hydrogen content of 0.2-1%, uniformly stirring, and then packaging to obtain a component A; (5) taking 100 parts by weight of the base glue, adding 0.5-2 parts by weight of platinum complex catalyst, uniformly stirring, and then packaging to obtain a component B. When the A-B dual-component solvent-free silicone resin prepared by the preparation method provided by the invention is coated, organic solvents do not need to be added, the coating efficiency is improved, and the environmental pollution can be avoided.
Owner:襄阳玖润氟硅材料有限公司

Technology for manufacturing automobile door and window sealing strip

The invention discloses a production process of a stamping steel ribbon for car doors and windows. After the processing and delivering of a steel strip uncoiler, a spot welder and a steel storage rack, the stamping steel ribbon is combined with the ejection of compact from the EPDM extruder in a composite head and then has a processing in a microwave vulcanizing slot and a hot air vulcanizing slot. A traction sends the stamping steel ribbon into a coating mold. The upper side in the coating mold is provided with a tilt flow passage and the lower side in the coating mold is provided with a horizontal flow passage, so as to result in a 15 degree to 45 degree angle between TPE and the composite EPDM of the three stamping ribbon vulcanized. The composite temperature range is from 80 Celsius system to 200 Celsius system. With the processing of a cooling tank and a cutting machine, the stamping steel ribbon with TPE composite layer is produced out. The invention makes the TPE be composite evenly and firmly with the composite EPDM of the three stamping ribbon. The invention has the advantages that the TPE composite layer has no expansion scab, no sparkling, no indentation, a curling stability and a even thickness. The invention is easy to be debugged for operators and has a high reliability, stability and production efficiency.
Owner:天津贵航红阳密封件有限公司

Manufacturing process for cement-base plastic track coiled material

The invention relates to a manufacturing process for a cement-base plastic track coiled material, which comprises the steps of pouring colorful polyurethane elastomer liquid on a silica gel base belt which runs annularly and is provided with convex-concave grains, scraping and filling through a straight-strip-shaped silica gel plate, then sequentially arranging a venting watertight rubber particle coiled material and polymer fiber geotextile coated with polyurethane glue into an oven to be heated and cured, and side cutting, cutting down and coiling to form the plastic track coiled material. The plastic track coiled material is of a three-layer structure, wherein an upper layer is a colorful polyurethane elastomer layer, a middle layer is a rubber particle coiled material layer, and the lower layer is the polymer fiber geotextile. Due to the facts that a surface layer of antiskid colorful polyurethane elastomer is hollowed, and the rubber particle coiled material is venting and watertight, moisture contained in a cement base can escape. Therefore, the plastic track coiled material cannot foam or delaminate and is suitable for cement bases.
Owner:欧阳鹰湘

Manufacture method of ceramic wine bottle with liquid gold

InactiveCN101921139AIncrease bumpWon't foamComposite materialOrganic matter
The invention discloses a manufacture method of a ceramic wine bottle with liquid gold, which sequentially comprises the following steps of: offering and polishing a ceramic blank body; firstly burning the blank body at the temperature of 800-1000 DEG C to remove the water gas and the organic matter impurity in the blank body; glazing the surface of the blank body; secondarily burning at the temperature of 1180-1320 DEG C; offering a ceramic stained paper with concave-convex patterns, adhering the ceramic stained paper on the surface of the blank body, thirdly burning at the temperature of 760-1150 DEG C, and removing an adhesive film in a baking way to lead the ceramic stained paper to be completely adhered to the surface of the blank body to form into the concave-convex pattern; and spraying the liquid gold on the surface of the blank body, fourthly burning at the temperature of 600-700 DEG C to manufacture the pattern with the liquid gold. By repeatedly burning and controlling the burning temperature, the manufacture method of the ceramic wine bottle with the liquid gold can form into colorful, hierarchical and abundant liquid gold patterns at the outer surface of the whole ceramic wine bottle, and avoiding foaming, discoloring and cracking.
Owner:SHANGHAI GAOCHENG CREATIVE TECH GRP

Processing method for resin hole plugging of rigid-flex board of ultrathin printed circuit

The invention relates to a processing method for resin hole plugging of a rigid-flex board of an ultrathin printed circuit. According to the invention, cover films are attached to the bent parts of the upper surface layer and the lower surface layer of a flexible board, and a PFG protective film and pure glue which are pre-pressed together are attached to the cover films; then windowing treatment is carried out on the bent parts of the flexible board; then a copper foil, a prepreg, the flexible board, another prepreg and another copper foil are laminated in sequence from bottom to top; a layer of an RP190 auxiliary buffer pressing material is added to the each of the upper layer and the lower layer of the obtained laminated board, and then pressing is conducted so as to obtain a semi-finished product of the rigid-flex board; and the prepared ultrathin board can be subjected to a resin hole plugging process. Since the PFG protective film and the copper foil are bonded by pure glue carried in the bending area of the flexible board, so the copper foil in the flexible area does not foam during baking, the semi-finished product production of uncovering after resin hole plugging of the rigid-flex board combined board is completed, uncovering can be directly conducted before uncovering, the problem that copper foams in a baking flexible board area are poor after resin hole plugging in the prior art can be solved, product yield is increased, and production cost is reduced.
Owner:GULTECH WUXI ELECTRONICS CO LTD

Ball float type aerator for fishpond

The invention discloses a ball float type aerator for a fishpond. The aerator is composed of three float balls, a triangular bracket, three air outlet pipelines, a gas buffering spherical channel, anair inlet pipeline and an air pump, wherein the three air outlet pipelines made from stainless steel are fixed together by virtue of the triangular bracket; counter weights are respectively arranged on the three float balls; the air inlet pipeline is connected with the air pump; the air pump is communicated with the gas buffering spherical channel by virtue of a pipeline; and the gas buffering spherical channel is communicated with the three air outlet pipelines. Due to aeration of the float ball in an equal distance, even if it is stormy, the balls float stably; due to the design of the gas buffering spherical channel, the floating state is static (without external force) in the air pump operating process; due to adjustment of the counter weights, stress of the float balls is kept uniform, and the float balls are prevented from turning over due to the external force; due to a bubble ball, oxygen pumped into water is uniformly dispersed, and bubbles are not produced on the water surface; and the air pump is connected with a sealed speed regulation and control module, so that the oxygen inlet amount is remotely controlled, and excessive aeration is avoided.
Owner:钱光芸

Method for laminating woven shell fabric to surface of interior trim part of automobile roof plate

The invention relates to a method for laminating a woven shell fabric to the surface of an interior trim part of an automobile roof plate. The method comprises the steps of: spraying a binder to the surface of the interior trim part where the woven shell fabric is required for being laminated, and then, laminating the woven shell fabric, wherein the binder is prepared from the following raw materials in parts by weight: 50-55 parts of EVA (Ethylene Vinylacetate), 5-7 parts of pentalyn, 1-2 parts of dimethyl carbonate, 15-20 parts of terpene resin, 20-25 parts of petroleum resin C5, 3-5 parts of microcrystalline wax, 1-2 parts of styrene, 1-2 parts of polyethylene glycol adipate, 0.3-0.5 part of chlorinated polyethylene, 0.2-0.3 part of N-2-(aminoethyl)-3-aminopropyl trimethoxysilane, 2-3 parts of polyisobutylene, 1-2 parts of calcium carbonate, 3-5 parts of modified nano potassium feldspar powder, 1-2 parts of wood ash, 0.5-1 part of ferrocene, 1-2 parts of antioxidant 168, 0.3-0.8 part of antioxidant 1076 and 1-2 parts of silane coupling agent kh5501. According to the method, a die pressing process is adopted, the edge cutting is automatic, and the efficiency is high; and meanwhile, the specific binder is adopted, so that the binding is high in strength and is flat, and the bubbling cannot occur during long-term use.
Owner:如皋市金轶纺织有限公司

Composite type building framework and manufacturing method thereof

The invention discloses a composite type building framework and a manufacturing method thereof. The composite type building framework comprises a plastic framework base material. A PP composite layer sheet is connected with a working face of the plastic framework base material in a hot mode, the PP composite layer sheet comprises a non-woven layer, a PP mixture laminated layer and a pure PP film layer which are connected into a whole part, and the pure PP film layer is connected with the upper surface of the PP mixture laminated layer in a hot mode; and the non-woven layer is connected with the lower surface of the PP mixture laminated layer in a hot mode, and the non-woven layer faces to the working face of the plastic framework base material and is connected with the working face of the plastic framework base material together in a hot mode. Firstly PP particles are extruded and melted, the PP particles are mixed with 30-50 mm fiberglass evenly to be co-extruded and enter a thermal insulated cylinder to be stored temporarily, then quantitative extrusion is conducted to fall on the PP composite layer sheet located at the bottom of a lower mould and a parison is formed after an upper mould and a lower mould are assembled, pressure-maintained and cooled; vertical walls extending upwards are arranged on the periphery of the parison, a rib plate is arranged on the upper end surface, and a composite type building framework finished product is formed after the upper mould is pressure-released and backhauled, and the parison breaks away from the upper mould and is deburred. The composite type building framework can be used repeatedly, is low in construction cost, and does not stick with concrete.
Owner:YANGZHOU SAICHUANG NEW MATERIAL TECH

Round loom for producing inner external wall film coated water delivery flexible pipes

The invention comprises a frame, a vertical shaft in the centre of the frame, a cam disc sleeved in the upper part of the vertical shaft, several rollers mounted on the rail of the cam disc and a measurement ring disposed above the vertical shaft. The measurement ring is mounted on the frame through at least one connecting-rod. A through-hole is disposed in the vertical shaft, and in the through-hole is disposed a double-pipe. Above the double-pipe are disposed two air-extruding rollers, between which there is an adjustable gap. Above the measurement ring are disposed two hose-lifting rollers, between which there is an adjustable gap.
Owner:罗衍宾

Method for compositing leather on surface of bonder used by car door interior parts and containing modified diatomite

The invention provides a method for compositing leather on the surface of a bonder used by car door interior parts and containing modified diatomite. The method is characterized by spraying the bonder on the interior part surface needing leather compositing and then composting leather, wherein the bonder is prepared from the following raw materials in parts by weight: 57-62 parts of EVA (ethylene-vinyl acetate copolymer), 8-12 parts of epoxy resin, 12-16 parts of C5 petroleum resin, 3-5 parts of microcrystalline wax, 0.5-1 part of WPP type polypropylene wax, 1-2 parts of dimethyl carbonate, 2-4 parts of nanometer celestite powder, 7-10 parts of modified diatomite, 2-3 parts of modified rice hull ash, 1.3-1.6 parts of a silane coupling agent KH560, 0.2-0.4 part of ferrocene, 0.3-0.6 part of n-butyl methacrylate, 0.4-0.6 part of epoxidized soybean oil, 0.4-0.6 part of an antioxidant 264, 0.2-0.4 part of an antioxidant 616 and 0.2-0.4 part of an antioxidant 333. The method has the beneficial effects that the method adopts a molding process, achieves automatic trimming and is high in efficiency; and meanwhile, the specific bonder is adopted, has high bonding strength, is flat and can not bubble after being used for a long time.
Owner:TAIZHOU JINSONG

Vinyl acetate-acrylate copolymer emulsion, its synthesis method and application

The invention relates to a vinyl acetate-acrylate copolymer emulsion, which is prepared by adopting OP-10, SDBS, SVS, water, acrylic acid and a seed emulsion as the bottom water system, taking VAc, BA and AA as the monomer, employing ammonium persulfate as the oxidant, and using sodium bisulfite as the reducing agent. Specifically, the seed emulsion in the bottom water system is prepared by using SDBS, OP-10, AA, sodium carbonate and water as the base solution, adopting VAc, BA and AA as the monomer, employing SDBS, OP-10, sodium carbonate and water as the pre-emulsification system, taking ammonium persulfate as the oxidant, and adopting sodium bisulfite as the reducing agent. The emulsion provided in the invention has a solid content of 40%-45%, viscosity (in terms of a 4-cup application amount) of 20S-26S, bonding peel strength (N / 2.5cm) of 1.4-2.5, a surface tension force of 32-37 dyne, and a film contact angle of 25-29 degrees, thus being particularly suitable for application in dry paper-plastic or plastic-plastic composite adhesives. The preparation method of the vinyl acetate-acrylate copolymer emulsion has the characteristics of mild reaction conditions and safety reaction system, thus being conducive to factory mass production.
Owner:CHINA PETROCHEMICAL CORP +2

Golden sculpture method for wine bottle

The invention discloses a golden sculpture method for a wine bottle. The method successively comprises the following steps: providing an original sculpture pattern, making a production mould with gypsum, and grouting so as to form a ceramic body; washing the surface of the ceramic body with a soft brush; sintering the ceramic body at the temperature of 700-1000 DEG C for the first time for removing water steam and organic impurities out of the ceramic body so as to increase the surface strength of the ceramic body; coating glaze on partial patterns on the surface of the ceramic body, and then sintering the ceramic body at the temperature of 1250-1350 DEG C for the second time; and after brushing gold on the surface of the ceramic body, sintering the ceramic body at the temperature of 700-820 DEG C for the third time to complete the manufacturing of the golden sculpture pattern. In the golden sculpture method for the wine bottle, glaze coating is used for replacing traditional glaze spraying, gold coating is used for replacing traditional gold spraying, and finally the golden sculpture pattern with diverse color levels, and no defects of foaming, decoloring and crazing can be obtained by carrying multiple sintering processes and controlling sintering temperature.
Owner:SHANGHAI GAOCHENG CREATIVE TECH GRP
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