Soft powder coating and preparation method thereof

A powder coating and soft-feeling technology, applied in powder coatings, polyester coatings, epoxy resin coatings, etc., can solve the problems of rising surface tension and the difficulty of applying soft-feel powder coatings to substrates, achieving low surface tension, strong resistance thermal effect

Pending Publication Date: 2020-12-29
廊坊艾格玛新立材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The existing powder coatings have greatly improved the soft feel performance, but due to structural limitat

Method used

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  • Soft powder coating and preparation method thereof

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specific Embodiment approach

[0019] Specific implementation method: combined figure 1 Shown, a soft feeling powder coating and preparation method thereof, is characterized in that, epoxy resin 40-80 parts, saturated polyester resin 40-80 parts, pigment and filler 10-20 parts, curing agent 5-10 parts and modified 1-2 parts of property leveling agent; The modified leveling agent is the polydimethylsiloxane that adds the alkyl modifier, and the polydimethylsiloxane of the alkyl modifier and the polydimethylsiloxane The ratio of parts by weight is 2:1.

[0020] To further optimize this technical solution, the curing agent is a mixture of aromatic amines and aliphatic amines.

[0021] To further optimize this technical solution, the pigment and filler are a mixture of iron oxide red, carbon black and calcium carbonate.

[0022] A soft feeling powder coating and preparation method thereof, is characterized in that, comprises the following steps:

[0023] (1) Weigh 40-80 parts of epoxy resin, 40-80 parts of s...

Embodiment 1

[0033] A soft feeling powder coating, including 40 parts of epoxy resin, 40 parts of saturated polyester resin, 10 parts of pigment and filler, 5 parts of curing agent and 1 part of modified leveling agent; The polydimethylsiloxane of the neutralizing agent, the weight ratio of the alkyl modifier to the polydimethylsiloxane is 2:1. Wherein, the curing agent is a mixture of aromatic amines and aliphatic amines, and the pigment and filler is a mixture of iron oxide red, carbon black and calcium carbonate.

[0034] A kind of preparation method of soft feel powder coating, comprises the following steps:

[0035] (1) Weigh 40 parts of epoxy resin, 40 parts of saturated polyester resin, 10 parts of pigment and filler, 5 parts of curing agent and 1 part of modified leveling agent and place them in a mixing tank, stir and mix at high speed for 5 minutes to obtain premixed materials;

[0036] (2) Extruding the premixed material through a twin-screw extruder, pressing into tablets, co...

Embodiment 2

[0043] A kind of soft powder coating, including 80 parts of epoxy resin, 80 parts of saturated polyester resin, 20 parts of pigment and filler, 10 parts of curing agent and 2 parts of modified leveling agent; The polydimethylsiloxane of the neutralizing agent, the weight ratio of the alkyl modifier to the polydimethylsiloxane is 2:1. Wherein, the curing agent is a mixture of aromatic amines and aliphatic amines, and the pigment and filler is a mixture of iron oxide red, carbon black and calcium carbonate.

[0044] A kind of preparation method of soft feel powder coating, comprises the following steps:

[0045] (1) Weigh 80 parts of epoxy resin, 80 parts of saturated polyester resin, 20 parts of pigments and fillers, 10 parts of curing agent and 2 parts of modified leveling agent and place them in a mixing tank, stir and mix at high speed for 5 minutes to obtain premixed materials;

[0046] (2) Extruding the premixed material through a twin-screw extruder, pressing into table...

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Abstract

The invention relates to the field of powder coatings, in particular to a soft powder coating and a preparation method thereof. The soft powder coating provided by the invention is excellent in heat resistance, low in toxicity and relatively strong in surface tension capability, has other excellent properties while guaranteeing the softness, is suitable for a substrate with relatively high temperature, and has a wide application range.

Description

technical field [0001] The invention relates to the field of powder coatings, in particular to a soft-feeling powder coating and a preparation method thereof. Background technique [0002] Powder coating is a solid powder synthetic resin coating composed of solid resin and pigments, fillers and additives. Unlike ordinary solvent-based paints and water-based paints, its dispersion medium is not solvent and water, but air. It has the characteristics of no solvent pollution, 100% film formation and low energy consumption. [0003] The existing powder coatings have greatly improved the soft feel performance, but due to structural limitations, it is difficult for soft feel powder coatings to be applied to substrates at higher temperatures. also rose. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide a kind of soft feeling powder coating and its preparation method in view of the above-mentioned technical deficiencies,...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D167/00C09D5/03C09D7/47C08G77/38
CPCC08G77/38C08G2150/20C08K2003/2272C08K2003/265C08L2205/03C09D5/037C09D163/00C09D167/00C08L67/00C08L83/04C08K3/22C08K3/04C08K3/26C08L63/00
Inventor 崔志刚杨治强
Owner 廊坊艾格玛新立材料科技有限公司
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