Polyurethane resin main agent and preparation method thereof

A polyurethane resin and resin technology, applied in the field of polyurethane resin, can solve problems such as poor safety and environmental protection, and achieve the effects of improving strength, excellent aging resistance, and improving adhesive effect

Inactive Publication Date: 2019-05-10
南京臻致新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the polyurethane resin in the prior art has problems such as environmental protection not up to standard, poor safety, etc.

Method used

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  • Polyurethane resin main agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A polyurethane resin main agent, comprising the following components in parts by mass: 20 parts of polyester polyol, 15 parts of elastic polyester resin, 8 parts of modified silicon dioxide, 7 parts of diatom mud, 14 parts of coconut fiber, 20 parts of chitin 1 part, 1 part of dispersant, 1 part of defoamer, 3 parts of leveling agent, 2 parts of film-forming aid, 2 parts of antifreeze, 10 parts of deionized water and 0.05 part of anti-mold and fungicide.

[0019] Wherein, the anti-mold and fungicide is 8-hydroxyquinoline.

[0020] A method for preparing a polyurethane resin main agent, comprising the following steps: the first step is to weigh raw materials; the second step is to mix diatom mud and chitin evenly and perform ultrasonic treatment, and grind for 2 hours after ultrasonic treatment to obtain mixture A ; The third step is to mix the mixture A, polyester polyol, elastic polyester resin, modified silicon dioxide, coconut fiber and deionized water and add to the...

Embodiment 2

[0023] A polyurethane resin main agent, comprising the following components in parts by mass: 32 parts of polyester polyol, 20 parts of elastic polyester resin, 12 parts of modified silicon dioxide, 11 parts of diatom mud, 15 parts of coconut fiber, 24 parts of chitin 2 parts, 2 parts of dispersant, 2 parts of defoamer, 5 parts of leveling agent, 3 parts of film-forming aid, 3 parts of antifreeze, 15 parts of deionized water and 1.5 parts of anti-mold and fungicide.

[0024] Wherein, the anti-mold and fungicide is 8-hydroxyquinoline.

[0025] A method for preparing a polyurethane resin main agent, comprising the following steps: first step, weighing raw materials; second step, mixing diatom ooze and chitin evenly and ultrasonic treatment, and grinding for 3 hours after ultrasonic treatment to obtain mixture A ; The third step is to mix the mixture A, polyester polyol, elastic polyester resin, modified silicon dioxide, coconut fiber and deionized water and add to the disperser,...

Embodiment 3

[0028] A polyurethane resin main agent, comprising the following components in parts by mass: 29 parts of polyester polyol, 18 parts of elastic polyester resin, 11 parts of modified silicon dioxide, 9 parts of diatom mud, 14 parts of coconut fiber, 22 parts of chitin 1 part, 1 part of dispersant, 1 part of defoamer, 4 parts of leveling agent, 2 parts of film-forming aid, 3 parts of antifreeze, 12 parts of deionized water, 1 part of anti-mold and fungicide.

[0029] Wherein, the anti-mold and fungicide is 8-hydroxyquinoline.

[0030] A method for preparing a polyurethane resin main agent, comprising the following steps: the first step is to weigh raw materials; the second step is to mix diatom mud and chitin evenly and perform ultrasonic treatment, and grind for 2 hours after ultrasonic treatment to obtain mixture A ; The third step is to mix the mixture A, polyester polyol, elastic polyester resin, modified silicon dioxide, coconut fiber and deionized water and add to the disp...

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Abstract

The invention belongs to the technical field of polyurethane resin, and particularly relates to a polyurethane resin main agent and a preparation method thereof. The polyurethane resin main agent comprises, by weight, 20-32 parts of polyester polyol, 15-20 parts of elastic polyester resin, 8-12 parts of modified silicon dioxide, 7-11 parts of diatomite, 14-15 parts of coconut fibers, 20-24 parts of chitin, 1-2 parts of dispersing agents, 1-2 parts of defoaming agents, 3-5 parts of leveling agents, 2-3 parts of coalescing agents, 2-3 parts of anti-freezing agents, 10-15 parts of deionized waterand 0.05-1.5 parts of mold-proof sterilizing agents. The prepared polyurethane resin main agent has high safety, meets environmental protection requirements and is less in additive amount, and selected and used raw materials are stable and controllable in quality.

Description

technical field [0001] The invention belongs to the technical field of polyurethane resin, and in particular relates to a polyurethane resin main agent and a preparation method thereof. Background technique [0002] Polyurethane resin (Polyurethane Resin), as a high-strength, tear-resistant, wear-resistant polymer material, is widely used in aviation, railways, construction, sports, etc.; it is used for surface finishing of wooden furniture and metal ; Used for thermal insulation and cold storage of storage tanks, pipelines, cold storage, beer, fermentation tanks, fresh-keeping barrels, thermal insulation and waterproofing of houses and buildings, and can also be used for prefabricated polyurethane panels; can be used to manufacture plastic products, wear-resistant synthetic rubber products, synthetic fibers, hard Quality and soft foam products, adhesives and coatings, etc.; used for surface coating of various wood, chemical equipment, telecommunication equipment and instrum...

Claims

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Application Information

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IPC IPC(8): C09J175/06C09J167/00C09J11/04C09J11/08
Inventor 王俊杰刘演新
Owner 南京臻致新材料科技有限公司
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