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Manufacturing method of sofa containing soft polyurethane foam

A technology of soft polyurethane and a production method, which is applied in the direction of coating, etc., can solve the problems of uneven sofa surface, affecting the aesthetics of the sofa, affecting the comfort of the sofa, etc., achieving good comfort, inhibiting the growth of bacteria, and improving elasticity. Effect

Inactive Publication Date: 2018-10-09
安徽情暖家具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The sofa is mainly composed of a frame, a filler and a sofa cover, and the commonly used filler is a sponge, but the sponge will be deformed after being crushed for a long time, which will cause the surface of the sofa to appear uneven, which will affect the overall quality of the sofa. Aesthetics, while affecting the comfort of the sofa

Method used

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  • Manufacturing method of sofa containing soft polyurethane foam

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Comparison scheme
Effect test

Embodiment 1

[0020] A kind of sofa manufacturing method that the present invention proposes contains soft polyurethane foam, comprises the following steps:

[0021] S1. Prepare soft polyurethane foam material: according to 100 parts of polyester polyol, 300 parts of polyisocyanate, 1 part of dibutyltin dilaurate, 20 parts of natural latex, 8 parts of 200-300 mesh silica gel powder, 2 parts of liquid paraffin, mineral 3 parts of substance oil, 1.2 parts of chlorothalonazole, 0.4 part of nano-silver, 1.2 parts of chitosan, 0.5 part of curing cross-linking agent, 0.4 part of water Weigh each raw material for later use;

[0022] S2. Preparation of flexible polyurethane foam: dry polyester polyol and polyisocyanate and place them in a mixer, then add natural latex, mix well and then add liquid paraffin, mineral oil, chlorothalonazim, nano-silver, chitosan Add sugar and 200-300 mesh silica gel powder in turn, continue mixing until uniform, then add dibutyltin dilaurate, water and curing crosslin...

Embodiment 2

[0027] A kind of sofa manufacturing method that the present invention proposes contains soft polyurethane foam, comprises the following steps:

[0028] S1. Prepare soft polyurethane foam material: according to 100 parts of polyester polyol, 350 parts of polyisocyanate, 0.8 part of dibutyltin dilaurate, 25 parts of natural latex, 5 parts of 200-300 mesh silica gel powder, 2 parts of liquid paraffin, mineral 4 parts of substance oil, 1.6 parts of chlorothalonazole, 0.6 part of nano-silver, 1.6 parts of chitosan, 0.5 part of curing cross-linking agent, 0.55 part of water Weigh each raw material for later use;

[0029] S2. Preparation of flexible polyurethane foam: dry polyester polyol and polyisocyanate and place them in a mixer, then add natural latex, mix well and then add liquid paraffin, mineral oil, chlorothalonazim, nano-silver, chitosan Add sugar and 200-300 mesh silica gel powder in turn, continue mixing until uniform, then add dibutyltin dilaurate, water and curing cross...

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Abstract

The invention discloses a manufacturing method of a sofa containing soft polyurethane foam. The method comprises the following steps of S1, preparing a soft polyurethane foam material; S2, mixing polyester polyol and polyisocyanates; then, sequentially adding natural emulsion, liquid paraffin, mineral oil, chlorothalonil, nanometer silver, chitosan, silicon gel powder being 200 to 300 meshes, dibutyl tin laurate, water and curing crosslinking agents; transferring the mixture into a mold for curing; obtaining the soft polyurethane foam; S3, cutting the soft polyurethane foam; spraying an alcohol oil composition; bonding two blocks of soft polyurethane foam to obtain a sofa filler; S4, fixing a sofa framework; charging the sofa filler; coating the sofa cover; completing the manufacturing ofthe sofa containing the soft polyurethane foam. The manufacturing method provided by the invention has the advantages that operation is simple; the manufacturing cost is low; the manufactured sofa hashigh comfort degree and good rebound resilience; the antibacterial effect is excellent; the service life is long; the pressure can be relieved; the fatigue is eliminated.

Description

technical field [0001] The invention relates to the technical field of sofa production, in particular to a method for making a sofa containing soft polyurethane foam. Background technique [0002] Sofa is a common furniture product in people's daily life. It can be seen everywhere in office, leisure, entertainment and other places. It is also one of the necessary soft furnishings in modern home decoration. The sofa is a kind of furniture evolved from the combination of a seat and a bed. It can not only meet the function of the seat seat, but also meet the function of the bed. It is a kind of rest between the two. , The articles that provide people with a sense of comfort are deeply loved by people in daily life. The sofa is mainly composed of a frame, a filler and a sofa cover. The commonly used filler is a sponge, but the sponge will be deformed after being crushed for a long time, which will cause the surface of the sofa to appear uneven, which will affect the overall qua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L75/06C08L7/02C08L91/06C08L91/00C08L5/08C08K3/08C08G18/42C08J9/36
CPCC08G18/42C08J9/36C08J9/365C08J2375/06C08J2407/02C08J2491/00C08K2003/0806C08K2201/011C08L75/06C08L2205/035C08G2110/0008C08G2110/0083C08L7/02C08L91/06C08L91/00C08L5/08C08K3/08
Inventor 刘常林
Owner 安徽情暖家具有限公司