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Graphene non-stick coating and application thereof

A non-stick coating, graphene technology, applied in the coating and other directions, can solve the problems of poor wear resistance, cracking of the coating film, affecting the long-term use of the product, etc., and achieves excellent thermal conductivity, excellent mechanical properties, and thermal conductivity. high effect

Inactive Publication Date: 2016-02-24
无锡大塘复合材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing ceramic coatings for cooking utensils that meet FDA food safety requirements have the following disadvantages: 1. The coating film is prone to cracking, especially in light-colored products; 2. The wear resistance is not good, affecting Long-lasting use of the product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] A kind of graphene non-stick coating, is made up of the raw material of following weight part:

[0013] 0.5 parts of graphene powder; 35 parts of silica sol; 30 parts of polytetrafluoroethylene water-based resin; 5 parts of water-soluble polyester modified epoxy resin; 2 parts of silicone oil; 1 part of iron oxide black; 5 parts of spherical ceramic micropowder; 4 parts of aluminum wear-resistant powder; 1 part of aluminum nitrate; 10 parts of deionized water.

[0014] The non-stick coatings are used for ceramic and metal based kitchen utensils.

[0015] The parts of each of the above raw materials are parts by weight.

Embodiment 2

[0017] A kind of graphene non-stick coating, is made up of the raw material of following weight part:

[0018] 2 parts of graphene powder; 40 parts of silica sol; 50 parts of polytetrafluoroethylene water-based resin; 8 parts of water-soluble polyester modified epoxy resin; 4 parts of silicone oil; 3 parts of iron oxide black; 8 parts of spherical ceramic micropowder; 8 parts of aluminum wear-resistant powder; 3 parts of aluminum nitrate; 15 parts of deionized water.

[0019] The non-stick coatings are used for ceramic and metal based kitchen utensils.

[0020] The parts of each of the above raw materials are parts by weight.

Embodiment 3

[0022] A kind of graphene non-stick coating, is made up of the raw material of following weight part:

[0023] 1 part of graphene powder; 38 parts of silica sol; 40 parts of polytetrafluoroethylene water-based resin; 6 parts of water-soluble polyester modified epoxy resin; 3 parts of silicone oil; 2 parts of iron oxide black; 6 parts of spherical ceramic micropowder; 6 parts of aluminum wear-resistant powder; 2 parts of aluminum nitrate; 12 parts of deionized water.

[0024] The non-stick coating is used for ceramic, metal based kitchen utensils.

[0025] The parts of each of the above raw materials are parts by weight.

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PUM

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Abstract

The invention discloses a graphene non-stick coating which is prepared from, by weight, 0.5-2 parts of graphene powder, 35-40 parts of silica gel, 30-50 parts of polytetrafluoroethylene water-based resin, 5-8 parts of water-soluble polyester modified epoxy resin, 2-4 parts of silicone oil, 1-3 parts of black iron oxide, 5-8 parts of spherical ceramic micro powder, 4-8 parts of aluminum oxide wear-proof powder, 1-3 parts of aluminum nitrate and 10-15 parts of deionized water. The non-stick coating is used for kitchenware with a ceramic or metal base. The coating is high in heat conductive coefficient, good in ductility, capable of being tightly combined with base materials, long in service life and strong in market competitiveness.

Description

technical field [0001] The invention relates to the technical field of kitchen utensil coatings, in particular to a graphene non-stick coating applicable to cooking utensils such as frying pans and baking pans and its application. Background technique [0002] At present, there are two main types of non-stick coatings commonly used in the market, one is fluorine coatings based on polytetrafluoroethylene (PTFE), such as Teflon; the other is based on silica sol and alkoxy Silane monomers are ceramic coatings prepared by sol-gel method (sol-gel). The inorganic nano-coating prepared by sol-gel technology overcomes the problems of poor temperature resistance, flame resistance and hardness of traditional organic coatings, and it has the characteristics of inorganic materials such as thermal stability, wear resistance, scratch resistance and non-combustibility. The coating of this system mainly uses water as a solvent, and there is no need to add PFOA additives during its manufact...

Claims

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Application Information

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IPC IPC(8): C09D127/18C09D7/12
Inventor 陈云
Owner 无锡大塘复合材料有限公司
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