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High-fillibility high-rubbing property primer and preparation method thereof

A filling and sanding technology, which is applied in the field of high-filling and high-grinding primers and their preparation, can solve the problems of difficult sanding of primers, rough surfaces of materials, and difficulties in covering rough surfaces, and achieve recoating and spraying The effect of convenient and fast topcoat, excellent filling and excellent sanding of primer

Active Publication Date: 2015-12-23
DONGLAI COATING TECH SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The surface of the common PP+GF material is very rough. Unless the surface of the material is polished, it is difficult to cover the rough surface, and too much hard powder such as barium sulfate will make it difficult to polish the primer.

Method used

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  • High-fillibility high-rubbing property primer and preparation method thereof
  • High-fillibility high-rubbing property primer and preparation method thereof
  • High-fillibility high-rubbing property primer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A method for preparing a high-filling and high-grinding primer suitable for various PP+GF materials, the method comprising the following process steps:

[0026] (1) Component preparation:

[0027]

[0028] In addition to the leveling agent, the others are put into the cylinder in sequence, stirred at 600-800 rpm for more than 30 minutes, put into the grinder and ground to a fineness of less than 10 microns, and the material is discharged, and then add 0.5 of the leveling agent, at 600-800 rpm / min stirring for 30 minutes to complete.

[0029] Appeal Example Coating Performance Results

[0030]

[0031]

Embodiment 2

[0033] A method for preparing a high-filling and high-grinding primer suitable for various PP+GF materials, the method comprising the following process steps:

[0034] (1) Component preparation:

[0035]

[0036] Put the others into the tank in order except the leveling agent, stir at 600-800 rpm for more than 30 minutes, put it into the grinder to grind to a fineness of 10 microns, and then discharge the material, add 0.5 of the leveling agent, and stir at 600-800 rpm / min stirring for 30 minutes to complete.

[0037] Above-mentioned embodiment coating performance result

[0038]

Embodiment 3

[0040] A method for preparing a high-filling and high-grinding primer suitable for various PP+GF materials, the method comprising the following process steps:

[0041] (1) Component preparation:

[0042]

[0043]

[0044] Put the others into the tank in order except the leveling agent, stir at 600-800 rpm for more than 30 minutes, put it into the grinder to grind to a fineness of 10 microns, and then discharge the material, add 0.5 of the leveling agent, and stir at 600-800 rpm / min stirring for 30 minutes to complete.

[0045] Above-mentioned embodiment coating performance result

[0046]

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Abstract

The invention relates to a high-fillibility high-rubbing property primer and a preparation method thereof. The method comprises the following steps: according to parts by weight, adding 20-40 parts of modified acrylic resin A, 10-20 parts of modified acrylic resin B, 2-4 parts of wetting dispersant, 10-15 parts of nano talcum powder, 5-10 parts of superfine barium sulfate, 0.2-0.5 parts of carbon black, 0.5-1 part of anti-settling agent, 5-15 parts of xylene, 5-10 parts of n-butyl acetate and 5-10 parts of dimethyl-4-heptanone respectively in a vat in sequence, and stirring for 30min at 600-800r / min, then putting into a grinder to grind to a fineness below 10 micrometers and discharging, and finally adding 0.2-0.5 parts of fluorocarbon-modified polyacrylic acid flatting agent and stirring for 30min at 600-800r / min. Compared with the prior art, the primer has the advantages of excellent adhesive force on various PP+GF (propene polymer and glass fiber), great easiness in polishing, excellent recoatability, suitability for various finishing coats and the like.

Description

technical field [0001] The invention relates to a coating, in particular to a high-filling and high-grinding primer suitable for various PP+GF materials and a preparation method thereof. Background technique [0002] At present, with the further optimization and improvement of industrial materials and the increasing requirements for material performance, ordinary pure PP materials can no longer meet various higher performance requirements, and various additives need to be added to PP materials to meet satisfactory performance requirements. [0003] Glass fiber (GF) has extremely excellent strength and stable physical, mechanical and chemical properties, and is an excellent performance reinforcing agent. Combining it with PP to form a new type of composite material can better exert the respective advantages of the two, and achieve a better and more favorable combination of strength and toughness, so as to meet the needs of various industries for PP materials. [0004] Howeve...

Claims

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Application Information

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IPC IPC(8): C09D151/06C09D151/08C09D7/12C09D7/06C09D7/47
Inventor 朱忠敏叶小明姜玄冰
Owner DONGLAI COATING TECH SHANGHAI
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