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Preparation method of special unsaturated resin for car putty ash

A putty ash, unsaturated technology, applied in the direction of filling slurry, etc., can solve the problems of poor mechanical properties, flexibility and impact resistance of putty ash, and achieve the effect of improving mechanical properties, increasing contact area, and uniform stress distribution

Inactive Publication Date: 2018-05-04
吴迪
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem mainly solved by the present invention is: Aiming at the disadvantages of traditional automobile putty gray in poor mechanical properties, flexibility and impact resistance, a preparation method of unsaturated resin specially used for automobile putty gray is provided

Method used

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  • Preparation method of special unsaturated resin for car putty ash

Examples

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Effect test

example 1

[0020]In parts by weight, successively take 20 parts of graphene oxide, 10 parts of surfactant, and 300 parts of water, pour them into No. 1 beaker, and move No. 1 beaker into an ultrasonic disperser, at a temperature of 65°C, and an ultrasonic frequency of Under the condition of 60kHz, constant temperature and ultrasonic dispersion for 4 hours, the dispersion liquid was obtained, and the dispersion liquid was poured into a ball mill tank, and zirconia ball milling beads were added according to the mass ratio of the ball to material at 20:1, and after ball milling and mixing for 60 minutes, filtered to obtain the filter residue And wash the filter residue 5 times with deionized water, then transfer the washed filter residue to an oven, and dry it to a constant weight at a temperature of 110°C to obtain pretreated graphene oxide; carbon fiber and mass Pour the ethanol solution of silane coupling agent with a fraction of 10% into a three-neck flask with a reflux device, heat and ...

example 2

[0022] Pour the ethanol solution of carbon fiber and 10% silane coupling agent into a three-necked flask with a reflux device at a mass ratio of 1:10, heat and reflux for 5 hours at a temperature of 80°C, and filter to obtain a filter cake , and washed the obtained filter cake with absolute ethanol for 5 times, then transferred the washed filter cake to an oven, and dried it to a constant weight at a temperature of 100°C to obtain a modified carbon fiber; 15 parts of nano-calcium carbonate, 80 parts of linoleic acid, and 30 parts of carbomer were poured into a four-necked flask, and argon gas was passed into the four-necked flask at a rate of 10 mL / min. Under the protection of argon, at temperature Under the conditions of 75°C and a rotating speed of 600r / min, stir and mix at a constant temperature for 60min. During the stirring and mixing process, adjust the pH of the material in the four-necked flask to neutral with a mass fraction of 8% sodium hydroxide solution, and then va...

example 3

[0024] In parts by weight, successively take 20 parts of graphene oxide, 10 parts of surfactant, and 300 parts of water, pour them into No. 1 beaker, and move No. 1 beaker into an ultrasonic disperser, at a temperature of 65°C, and an ultrasonic frequency of Under the condition of 60kHz, constant temperature and ultrasonic dispersion for 4 hours, the dispersion liquid was obtained, and the dispersion liquid was poured into a ball mill tank, and zirconia ball milling beads were added according to the mass ratio of the ball to material at 20:1, and after ball milling and mixing for 60 minutes, filtered to obtain the filter residue And wash the filter residue 5 times with deionized water, then transfer the washed filter residue to an oven, and dry it to a constant weight at a temperature of 110°C to obtain pretreated graphene oxide; in parts by weight, take 15 parts of nano Calcium carbonate, 80 parts of linoleic acid, and 30 parts of carbomer were poured into a four-necked flask,...

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Abstract

The invention discloses a preparation method of special unsaturated resin for car putty ash, which belongs to the technical field of car coatings. The preparation method comprises the following steps:pretreating graphene oxide, surfactant and water to obtain pretreated graphene oxide, and then preparing modified carbon fibers by virtue of carbon fibers and silane coupling agent ethanol solution;preparing nano calcium carbonate dispersion by virtue of nano calcium carbonate, linoleic acid and Carbomer; heating and refluxing phthalic anhydride, diethylene glycol, ethylene glycol, propanediol,cottonseed oil, pretreated graphene oxide, modified carbon fibers and nano calcium carbonate dispersion, performing reaction, then adding fumaric acid and maleic anhydride, continuously heating and refluxing reacting, cooling, vacuumizing, adding styrene, stirring, mixing, naturally cooling, and discharging, thus obtaining the special unsaturated resin for the car putty ash. The special unsaturated resin for the car putty ash prepared by the technical scheme of the invention has the characteristic of significantly improving the mechanical performance, flexibility and impact resistance of the car putty ash.

Description

technical field [0001] The invention discloses a preparation method of an unsaturated resin specially used for automobile putty ash, and belongs to the technical field of automobile coatings. Background technique [0002] Unsaturated polyester putty, also known as atomic ash, is based on unsaturated polyester resin, combined with crosslinking agent, accelerator, polymerization inhibitor, thixotropic agent, filler and other additives to form the main ash, with curing agent , Pigment, and active agent are a two-component product of auxiliary ash. Due to its excellent properties such as thick coating, fast curing at room temperature, strong adhesion, easy sanding, and no cracking, it far exceeds the putty made of traditional alkyd, epoxy, perchlorethylene and other resins. At present, atomic ash is an ideal caulking and pit filling material with active research and rapid development. Nowadays, it is widely used in mechanical industry, instrument electronics, wood furnitur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F283/01C08F212/08C08G63/676C08G63/78C08K13/06C08K9/04C08K3/04C08K9/06C08K7/06C08K3/26C08K5/09C09D5/34
Inventor 吴迪许永博黄浩
Owner 吴迪
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