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Inflatable cotton bale and production method thereof

A technology of cotton bales and flatulence, which is applied in the field of polyurethane foam materials, can solve problems such as difficult to meet the tensile strength requirements of sofa mattresses, and achieve the effects of enhanced force, improved tensile strength, and uniform distribution of micropores

Active Publication Date: 2020-02-25
泉州玺堡家居科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] According to paragraph [0056] of the description of the above-mentioned application documents, it can be seen that the tensile strength of the final product prepared according to the above-mentioned method is 0.03Mpa, which is difficult to meet the tensile strength requirements of sofa mattresses, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Example 1: A kind of inflation cotton bag, each component and its corresponding parts by weight are shown in Table 1. In this example, the polyether polyol is Korean SKC polyether polyol Y-1030, and the grade of isocyanate is The isocyanate of 8610, the amine catalyst adopts dimethylcyclohexylamine, the foaming agent is deionized water, and the cell opener is purchased from the U.S. Momentive Company model Nia L-6164. The organic solvent used in this embodiment Be xylene; And prepare and obtain through the following steps:

[0043] Step 1, preparing component A, mixing and stirring corresponding parts by weight of polyether polyol, amine catalyst, silicone oil, foaming agent, stannous octoate, cell opener, and paraffin to obtain component A;

[0044] Step 2: Put component A and isocyanate of corresponding parts by weight into the material vat corresponding to it of the foaming machine, component A and isocyanate are fully stirred by the mixing head of the foaming machine ...

Embodiment 2-3

[0047] Example 2-3: An inflatable cotton bag, the difference from Example 1 is that the weight fractions of each component are different, and the components and their corresponding weight parts are shown in Table 1.

[0048] Each component and parts by weight thereof in table 1 embodiment 1-3

[0049] components Example 1 Example 2 Example 3 Polyether polyol 13 15 18 Isocyanate 8 9 10 Amine catalyst 0.04 0.05 0.07 silicone oil 0.2 0.25 0.3 Foaming agent 1 2 3 stannous octoate 0.05 0.06 0.07 cell opener 0.7 0.8 0.9 paraffin 9 8 7 Organic solvent / xylene 35 32 30

Embodiment 4

[0050] Embodiment 4: An inflated cotton bag, the difference from Embodiment 1 is that the organic solvent used is dichloromethane, and the temperature of the drying box in step 4 is controlled at 39 degrees Celsius.

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Abstract

The invention discloses an inflatable cotton bale and a production method thereof, and belongs to the technical field of polyurethane foam materials. The inflatable cotton bale comprises 13-18 parts of polyether polyol, 8-10 parts of isocyanate, 0.04-0.07 part of an amine catalyst, 0.2-0.3 part of silicone oil, 1-3 parts of a foaming agent, 0.05-0.07 part of stannous octoate, 0.7-0.9 part of an opening agent, 7-9 parts of paraffin and 30-35 parts of an organic solvent, wherein the organic solvent can be used for dissolving paraffin. The method improves the tensile strength of the material, sothe cotton bale is not prone to being snapped.

Description

technical field [0001] The invention relates to the technical field of polyurethane foam materials, more specifically, it relates to an inflated cotton bag and a preparation method thereof. Background technique [0002] Polyurethane foam has the characteristics of low density, chemical corrosion resistance, aging resistance, and excellent thermal insulation. It is widely used in the manufacture of refrigerators, buildings, sofas, and mattresses. [0003] In the invention application document whose publication number is CN104558508A, it is disclosed that MDI full water foaming 45kg / m 3 Molded slow-rebound elastic foam cotton and its preparation method, which are prepared from the following raw materials: MDI system isocyanate with a functionality of 2-3 and an NCO value of 26-30; polyether polyol; surfactant; foaming agent; catalyst; Cross-chain extender; wherein, the polyether polyol is mixed with the following materials: polyolA has a functionality of 3 and a hydroxyl valu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J9/08C08L75/08C08L33/02C08L91/06C08K5/42
CPCC08J9/08C08J9/0095C08J9/0023C08J9/0033C08J9/0014C08J2203/02C08J2375/08
Inventor 刘龙滨郭学章赵辉李明明陈光辉
Owner 泉州玺堡家居科技有限公司
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