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Fibrous unsaturated polyester putty

A kind of atomic ash and fiber technology, applied in polyester coating, filling slurry, coating, etc., can solve the problems of easy cracking, etc., and achieve the effect of good matching, high hardness, and fine putty film

Inactive Publication Date: 2005-09-28
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the shortcomings of the existing polymer putty that it is easy to crack and needs repairing and welding the steel plate before scraping and repairing the relatively large holes. Repair welding treatment to meet the needs of modern automobiles and other industries

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0015] Specific embodiment one: the fiber putty of the present embodiment is made up of two components of main body ash and curing agent, and the weight ratio of main body ash and curing agent is 100: 2, and wherein main body ash is made up of following composition according to weight ratio: Saturated polyester resin: 100, Accelerator: 2~4, Styrene: 3~5, Fiber: 0.3~0.5, Filler: 100~120, Pigment: 3~5; The curing agent is composed of the following components according to the weight ratio: Initiator: 100, Pigment: 3~5, Filler: 1~3. Described unsaturated polyester resin is air-drying type unsaturated polyester resin; Described accelerator is cobalt isooctanoate and dimethylaniline; Described fiber is glass fiber and carbon fiber; Described talcum powder is 325 # Talcum powder; the initiator is cyclohexanone peroxide and methyl ethyl ketone peroxide; the filler in the main body ash is talcum powder and heavy calcium carbonate, and the pigment is titanium dioxide and gray pigment pa...

specific Embodiment approach 2

[0016] Specific embodiment 2: The difference between this embodiment and specific embodiment 1 is that the main body ash is composed of the following components according to the weight ratio: air-drying unsaturated polyester resin: 100, cobalt isooctanoate and dimethylaniline: 2~ 4. Styrene: 3~5, glass fiber and carbon fiber: 0.3~0.5, 325 # Talc powder: 100, heavy calcium carbonate: 10, titanium dioxide and gray pigment paste: 3 to 5; curing agent consists of the following components according to weight ratio: cyclohexanone peroxide and methyl ethyl ketone peroxide: 100, fast yellow: 3-5. Fumed silica: 2.

specific Embodiment approach 3

[0017] Embodiment 3: The fiber putty in this embodiment is composed of main ash and curing agent. The weight ratio of main ash and curing agent is 100:2. See Table 4 for the specific ratio.

[0018] System composition

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PUM

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Abstract

The fibrous unsaturated polyester putty is one kind of polymer putty. The fibrous unsaturated polyester putty consists of two parts, main fibrous unsaturated polyester putty and curing agent, in the weight ratio of 50. The main fibrous unsaturated polyester putty consists of unsaturated polyester resin 100 weight portions, promoter 2-4 weight portions, styrene 3-5 weight portions, fiber 0.3-0.5 weight portions, stuffing 100-120 weight portions, and pigment 3-5 weight portions. The curing agent consists of initiator 100 weight portions, pigment 3-5 weight portions, and stuffing 1-3 weight portions. The present invention has high strength, high attachment to metal material, convenient use, less shrinkage, fast drying speed, good air drying performance, high compatibility with paint, and fine and smooth film and makes it possible to fill hole as large as 10 mm in once operation.

Description

Technical field: [0001] The invention relates to a polymer putty. Background technique: [0002] Atomic ash is a kind of filling material, its scientific name is polymeric putty, it is mainly used for caulking and filling on the surface of metal and non-metal materials before painting, so as to obtain a flat and smooth appearance. Traditional putty is made of gypsum, calcium carbonate, cooked tung oil, etc., and can also be directly prepared with some paints. Their biggest disadvantages are slow drying speed, large shrinkage rate, poor strength, large solvent volatilization, and environmental pollution. , Harm the health of the operator. Atomic putty is mainly made of unsaturated polyester. It is different from other existing synthetic resin putties in that it can adjust the curing speed with a curing agent and can be cured quickly. Its largest application market is currently mainly for automobile manufacturing and overhaul industry. With the continuous development of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/34C09D167/06
Inventor 张东兴顾大明黄龙男李地红
Owner HARBIN INST OF TECH
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