CN101096426A - Method for recycling waste hard foam polyurethane plastic - Google Patents
Method for recycling waste hard foam polyurethane plastic Download PDFInfo
- Publication number
- CN101096426A CN101096426A CNA2007100238062A CN200710023806A CN101096426A CN 101096426 A CN101096426 A CN 101096426A CN A2007100238062 A CNA2007100238062 A CN A2007100238062A CN 200710023806 A CN200710023806 A CN 200710023806A CN 101096426 A CN101096426 A CN 101096426A
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- CN
- China
- Prior art keywords
- foam
- waste hard
- hard polyurethane
- foam beads
- polyurethane foam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a recycling using method of waste hard polyurethane foam plastic, which comprises the following steps: putting the waste hard polyurethane foam plastic into breaker to form powder foam particle; separating to remove impurity from powder foam particle; blending the foam particle and combined polyether polyol (material A)and isocyanate (material B)to foam; obtaining the product.
Description
Technical field:
The present invention relates to a kind of waste hard foam plastics and utilize method.
Background technology:
The waste hard foam plastics that produce in the industrial production, the general method of burning that adopts is handled, and both waste material caused environmental pollution again.
Summary of the invention:
But the object of the present invention is to provide a kind of both utilization of waste material, again the waste hard polyurethane foam recoverying and utilizing method of environmental protection.
Technical solution of the present invention is:
A kind of waste hard polyurethane foam recoverying and utilizing method is characterized in that: comprise the following steps: successively
(1) waste hard polyurethane foam is dropped into is ground into Powdered foam beads in the crusher;
(2) Powdered foam beads separating and removing impurities;
(3) will defoam foam beads behind the particle and combined polyether glycol (A material), isocyanic ester (B) material mixed foaming, the porous plastics finished product.
The middle foam beads consumption of step (3) accounts for foam beads and combined polyether glycol (A material), isocyanic ester (B) are expected 10%～30% of total amount.Combined polyether glycol (A material) is 1: 1～1.3 with the amount ratio of isocyanic ester (B) material.
Technology of the present invention is simple, cost is low, both utilization of waste material, environmental protection again.
The invention will be further described below in conjunction with embodiment.
Embodiment:
A kind of waste hard polyurethane foam recoverying and utilizing method comprises the following steps: successively
(1) waste hard polyurethane foam is dropped into is ground into Powdered foam beads in the crusher;
(2) Powdered foam beads is with 100～150 mesh sieves, separating and removing impurities;
(3) will defoam foam beads behind the particle and combined polyether glycol (A material), isocyanic ester (B) material mixed foaming, the porous plastics finished product.Wherein combined polyether glycol (A material), isocyanic ester (B) material are the commercially available conventional material (Jiangsu Lvyuan New Materials Co., Ltd, Shuande hold prestige synthetic materials company limited, the bright urethane company limited of rising produces) of making porous plastics,
The foam beads consumption accounts for 10%～30% (example 10%, 20%, 30%) that foam beads and combined polyether glycol (A material), isocyanic ester (B) are expected total amount in the step (3).Combined polyether glycol (A material) is 1: 1～1.3 (examples 1: 1,1: 1.1,1: 1 with the amount ratio of isocyanic ester (B) material.3)。
Claims (3)
1, a kind of waste hard polyurethane foam recoverying and utilizing method is characterized in that: comprise the following steps: successively
(1) waste hard polyurethane foam is dropped into is ground into Powdered foam beads in the crusher;
(2) Powdered foam beads separating and removing impurities;
(3) will defoam foam beads behind the particle and combined polyether glycol (A material), isocyanic ester (B) material mixed foaming, the porous plastics finished product.
2, waste hard polyurethane foam recoverying and utilizing method according to claim 1 is characterized in that: the middle foam beads consumption of step (3) accounts for foam beads and combined polyether glycol (A material), isocyanic ester (B) are expected 10%～30% of total amount.
3, waste hard polyurethane foam recoverying and utilizing method according to claim 2 is characterized in that: combined polyether glycol (A material) is 1: 1～1.3 with the amount ratio of isocyanic ester (B) material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100238062A CN101096426A (en) | 2007-06-18 | 2007-06-18 | Method for recycling waste hard foam polyurethane plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100238062A CN101096426A (en) | 2007-06-18 | 2007-06-18 | Method for recycling waste hard foam polyurethane plastic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101096426A true CN101096426A (en) | 2008-01-02 |
Family
ID=39010526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100238062A Pending CN101096426A (en) | 2007-06-18 | 2007-06-18 | Method for recycling waste hard foam polyurethane plastic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101096426A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011035743A1 (en) | 2009-09-22 | 2011-03-31 | Institute Of Macromolecular Chemistry As Cr, V.V.I. | Raw material for polyurethane production and process for its preparing from waste polyurethane |
| CN104830049A (en) * | 2015-04-30 | 2015-08-12 | 天津市大林新材料科技有限公司 | Composite polyurethane foam sheet produced by using hard foam wastes, and preparation method thereof |
| CN104927340A (en) * | 2014-03-23 | 2015-09-23 | 合肥市康富机械弹簧厂 | Car foot mat regeneration sponge preparation technology |
| CN105837854A (en) * | 2015-01-13 | 2016-08-10 | 鲁东大学 | Method for manufacturing adsorption separation material from waste old rigid polyurethane foam |
| CN106566225A (en) * | 2016-11-08 | 2017-04-19 | 锐德海绵（浙江）有限公司 | Environment-friendly sponge manufacturing process |
| CN107722601A (en) * | 2017-09-19 | 2018-02-23 | 中国石油天然气集团公司 | A kind of waste polyurethane foam safety and environmental protection harmless treatment recycles technique |
| CN110948636A (en) * | 2019-11-11 | 2020-04-03 | 湖南绿色再生资源有限公司 | Packaging wood board and preparation method thereof |
| CN112143021A (en) * | 2020-09-04 | 2020-12-29 | 朱万礼 | Method for recycling polyurethane AB foaming material |
| CN115257011A (en) * | 2022-07-22 | 2022-11-01 | 重庆长安汽车股份有限公司 | Composite foam material and preparation method thereof |
-
2007
- 2007-06-18 CN CNA2007100238062A patent/CN101096426A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011035743A1 (en) | 2009-09-22 | 2011-03-31 | Institute Of Macromolecular Chemistry As Cr, V.V.I. | Raw material for polyurethane production and process for its preparing from waste polyurethane |
| CN104927340A (en) * | 2014-03-23 | 2015-09-23 | 合肥市康富机械弹簧厂 | Car foot mat regeneration sponge preparation technology |
| CN105837854A (en) * | 2015-01-13 | 2016-08-10 | 鲁东大学 | Method for manufacturing adsorption separation material from waste old rigid polyurethane foam |
| CN104830049A (en) * | 2015-04-30 | 2015-08-12 | 天津市大林新材料科技有限公司 | Composite polyurethane foam sheet produced by using hard foam wastes, and preparation method thereof |
| CN106566225A (en) * | 2016-11-08 | 2017-04-19 | 锐德海绵（浙江）有限公司 | Environment-friendly sponge manufacturing process |
| CN107722601A (en) * | 2017-09-19 | 2018-02-23 | 中国石油天然气集团公司 | A kind of waste polyurethane foam safety and environmental protection harmless treatment recycles technique |
| CN110948636A (en) * | 2019-11-11 | 2020-04-03 | 湖南绿色再生资源有限公司 | Packaging wood board and preparation method thereof |
| CN112143021A (en) * | 2020-09-04 | 2020-12-29 | 朱万礼 | Method for recycling polyurethane AB foaming material |
| CN115257011A (en) * | 2022-07-22 | 2022-11-01 | 重庆长安汽车股份有限公司 | Composite foam material and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20080102 |