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Attapulgite powder paint and preparation method thereof

A technology of attapulgite and powder coating, used in powder coatings, anti-corrosion coatings, fire-retardant coatings, etc., can solve the problems of long-term protection of instrument parts, insufficient stability of the coating, foaming, etc., and achieve high gloss retention, decorative The effect of strong performance and simple preparation method

Inactive Publication Date: 2017-06-23
明光市外泰高分子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after dust and oil stains are attached to many powder coatings currently used, they will experience blistering, cracking, and falling off after being exposed to the sun and rain, making the coating not stable enough to provide long-term protection for instrument components.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] An attapulgite powder coating, comprising the following raw materials in parts by weight: 32 parts of attapulgite, 3 parts of sodium hexametaphosphate, 8 parts of superfine light calcium carbonate, 26 parts of melamine formaldehyde resin, 10 parts of 145 rosin pentaerythritol ester, 5 parts of 2-octylphenol polyoxyethylene ether, 2 parts of antioxidant 1076, 0.8 parts of fluorescent whitening agent OB, and 8 parts of nano-alumina.

[0031] The preparation method of this attapulgite powder coating comprises the following steps:

[0032] Step 1: Add attapulgite, sodium hexametaphosphate, superfine light calcium carbonate, melamine formaldehyde resin, 145 rosin pentaerythritol ester, secondary octylphenol polyoxyethylene ether, and nano-alumina to a stainless steel reaction kettle, and heat up to Stir at 100°C for 20 minutes to obtain reactant A;

[0033] Step 2: Add antioxidant 1076 to reactant A, continue to heat up to 150°C, stir and react for 3 hours to obtain reactan...

Embodiment 2

[0037] An attapulgite powder coating, comprising the following raw materials in parts by weight: 40 parts of attapulgite, 5 parts of sodium hexametaphosphate, 8 parts of superfine light calcium carbonate, 20 parts of melamine formaldehyde resin, 8 parts of 145 rosin pentaerythritol ester, 3 parts of 2-octylphenol polyoxyethylene ether, 3 parts of antioxidant 1076, 0.6 part of fluorescent whitening agent OB, 12 parts of nano-alumina.

[0038] The preparation method of this attapulgite powder coating comprises the following steps:

[0039] Step 1: Add attapulgite, sodium hexametaphosphate, superfine light calcium carbonate, melamine formaldehyde resin, 145 rosin pentaerythritol ester, secondary octylphenol polyoxyethylene ether, and nano-alumina to a stainless steel reaction kettle, and heat up to 120°C, stirring for 40 minutes to obtain reactant A;

[0040] Step 2: Add antioxidant 1076 to reactant A, continue to heat up to 150°C, stir and react for 2 hours to obtain reactant B...

Embodiment 3

[0044] An attapulgite powder coating, comprising the following raw materials in parts by weight: 30 parts of attapulgite, 2 parts of sodium hexametaphosphate, 5 parts of superfine light calcium carbonate, 28 parts of melamine formaldehyde resin, 15 parts of 145 rosin pentaerythritol ester, 8 parts of 2-octylphenol polyoxyethylene ether, 3 parts of antioxidant 1076, 0.6 parts of fluorescent whitening agent OB, and 12 parts of nano-alumina.

[0045] The preparation method of this attapulgite powder coating comprises the following steps:

[0046] Step 1: Add attapulgite, sodium hexametaphosphate, superfine light calcium carbonate, melamine formaldehyde resin, 145 rosin pentaerythritol ester, secondary octylphenol polyoxyethylene ether, and nano-alumina to a stainless steel reaction kettle, and heat up to Stir at 110°C for 30 minutes to obtain reactant A;

[0047] Step 2: Add antioxidant 1076 to reactant A, continue to heat up to 150°C, stir and react for 2.5 hours to obtain reac...

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Abstract

The invention discloses attapulgite powder paint and a preparation method of the powder paint. The powder paint comprises the following raw materials in parts by weight: 30-40 parts of attapulgite, 2-5 parts of sodium hexametaphosphate, 5-10 parts of superfine light calcium carbonate, 20-28 parts of melamine formaldehyde resin, 8-15 parts of 145 pentalyn, 3-8 parts of sec-octaphenyl polyoxyethyiene, 1-3 parts of an antioxidant 1076, 0.6-1.4 parts of an optical brightener (OB), and 3-12 parts of nano aluminum oxide. The powder paint has high acid resistance, alkali resistance and friction resistance, high gloss retention and high decoration performance, can absorb methanal and volatile organic compounds in air efficiently and purifies the air.

Description

technical field [0001] The invention relates to the field of powder coatings, in particular to an attapulgite powder coating and a preparation method thereof. Background technique [0002] Powder coating is a new type of solvent-free 100% solid powder coating. The shape of powder coating is different from that of general coating, and it exists in the state of fine powder. Powder coatings are mainly divided into thermoplastic powder coatings and thermosetting powder coatings. Thermoplastic powder coatings are composed of thermoplastic resins, pigments, fillers, plasticizers and stabilizers. Thermoplastic powder coatings include: polyethylene, polypropylene, polyester, polyvinyl chloride, chlorinated polyether, polyamide, cellulose, polyester. Thermosetting powder coatings are composed of thermosetting resins, curing agents, pigments, fillers and additives. Thermosetting powder coatings include: epoxy resin, polyester, acrylic resin. Coatings are usually prepared by mixing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D161/28C09D5/03C09D5/08C09D7/12
CPCC09D161/28C08K2201/011C08L2201/08C09D5/034C09D5/08C09D5/18C09D7/61C09D7/63C09D7/65C08L71/02C08K13/02C08K3/32C08K2003/265C08K3/346C08K2003/2227C08K5/103C08K5/1345
Inventor 叶家珍
Owner 明光市外泰高分子材料有限公司
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