CN104830049A - Composite polyurethane foam sheet produced by using hard foam wastes, and preparation method thereof - Google Patents
Composite polyurethane foam sheet produced by using hard foam wastes, and preparation method thereof Download PDFInfo
- Publication number
- CN104830049A CN104830049A CN201510219716.5A CN201510219716A CN104830049A CN 104830049 A CN104830049 A CN 104830049A CN 201510219716 A CN201510219716 A CN 201510219716A CN 104830049 A CN104830049 A CN 104830049A
- Authority
- CN
- China
- Prior art keywords
- composite polyurethane
- polyurethane foam
- sheet material
- foam sheet
- mdi
- 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
Links
Abstract
The invention provides a composite polyurethane foam sheet produced by using hard foam wastes. The sheet is prepared from, by weight, 60-150 parts of isocyanate, 100 parts of a polyol compound, 0.1-2 parts of a catalyst, 1-5 parts of a foaming agent, and hard foam wastes accounting for 60-90% of the total mass of raw materials. The sheet has the advantages of high utilization rate of the hard foam wastes, low energy consumption in the production process, provision of a new way for repeated utilization of the hard foam wastes, energy and material saving, and no influences on environment.
Description
Technical field
The present invention relates to the recycling of rigid foam waste material, especially rigid foam waste material is used as filler by one, the composite polyurethane foam sheet material prepared by the technique of filled polyurethane foam.
Background technology
At present, rigid foam increases gradually in the demand in lagging material, wrapping material, sound insulation and the field such as shockproof, but the problem reusing difficulty of reclaimed materials and scrap stock is also put in face of people.The method of at present conventional process reclaimed materials has bonding extrusion forming, make filler (aglite as material of construction), extrusion moulding and chemical recycling, the requirement of these methods to equipment is higher, energy consumption is large, Recycled materials limitednumber can be applicable to, be not suitable for extensive use.As directly burnt or landfill, air and soil pollution will certainly be caused.Patent 200910232399.5 proposes and adopts crosslinked polyvinyl chloride foam to prepare the method for composite foam sheet, but does not also have suitable processing mode to the rigid foam of other types.
Summary of the invention
The problem to be solved in the present invention is to provide that a kind of utilization ratio is high, and production energy consumption is low, with short production cycle, utilizes the composite polyurethane foam sheet material that rigid foam waste material is produced.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of composite polyurethane foam sheet material utilizing rigid foam waste material to produce, is prepared from by the component of following weight part:
Rigid foam waste material, its weight accounts for the 60%-90% of total mass.
Preferably, in order to enhance product performance, also comprise fire retardant, tensio-active agent, look mother, oxidation inhibitor wherein one or more.
Further, the add-on of fire retardant is 0-7 part by weight; Fire retardant is optionally TDE and antimonous oxide mixture.
The add-on of tensio-active agent is 0-5 part by weight; Tensio-active agent is optionally polysiloxane surfactant.
The add-on of look mother is 0-3 part by weight, and look female Chang Xuan's is carbon black.
The add-on of oxidation inhibitor is 0-2 part by weight; Oxidation inhibitor is optionally 1010 oxidation inhibitor.
Further, the scrap stock of described rigid foam waste material for producing in reclaimed materials and the course of processing, comprise rigid urethane foam, polystyrene foamed plastics, styrene-acrylonitrile copolymer porous plastics, phenolic foamed plastics, polysulphone foam plastics, polyphenylene oxide porous plastics, polycarbonate porous plastics and epoxy foam.
Further, described isocyanic ester is diphenylmethanediisocyanate (MDI) or tolylene diisocyanate (TDI) or both mixtures.
Further, described for diphenylmethanediisocyanate be pure MDI, or the mixture that pure MDI and thick MDI is formed, described pure MDI is 4,4'-MDI, 2,4'-MDI, 2,2'-MDI or its corresponding isomer mixture;
Described tolylene diisocyanate is 2,4 toluene diisocyanate or 2,6-tolylene diisocyanate or its corresponding isomer mixture.
Preferably, in described isocyanic ester-mass content of NCO group is 25%-35%, its average functionality is 2-3.
Preferably, described polyol compound is polyester, polyether alkylol cpd or its mixture, and its hydroxyl value content is 160-750mg KOH/g, and its average functionality is 2-4.
Preferably, described catalyzer is tertiary amine catalyst or organo-tin compound; Described whipping agent is water.
Another object of the present invention is to provide a kind of composite polyurethane foam preparation of plates forwarding method utilizing rigid foam waste material to produce, comprise the steps:
1) after rigid foam waste material being cleaned out, pulverize, drop in mould;
Preferably, be ground into block or granular, grain size is between 1-55cm;
2), after other each components being mixed, mould is injected;
Preferably, mixed solution fills mould with the form of spraying in 300s, to ensure that mixed solution can fill the space of rigid foam interblock completely, and fully contacts with it;
3) control die temperature at 20-40 DEG C, the reaction times is 10-60 minute, reaction terminate after rigid foam waste material fill composite polyurethane foaming block.
The advantage that the present invention has and positively effect are: the utilization ratio of the present invention to rigid foam waste material is high, and production energy consumption is low, with short production cycle, and the recycling for rigid foam waste material provides new path.Not only energy-saving material-saving, also has no effect to environment.
Use composite polyurethane sheet material prepared by method provided by the invention, polyurethane foam and rigid foam have good cementability, and seamless.Sheet material has the advantages such as mechanical strength is high, density is little, thermal conductivity is low, good cementability is had with the construction material such as mortar, tackiness agent, skin outer heat preservation system can be directly used in, also can with other materials phase compound, to be used as the sandwich of layers of heat-preserving equipment or articles for use.
Accompanying drawing explanation
Fig. 1 is the structural representation of composite polyurethane foam sheet material of the present invention
In figure:
1, rigid foam waste material; 2, filled polyurethane foam.
Embodiment
Embodiment 1
Hard polyurethane foam board is ground into block and granular, overall dimension is no more than 55cm, the scrap of 30 kilograms of different sizes and particle are put in the mould being of a size of 1.1m × 1.1m × 0.6m, to ensure there is certain interval between filler, height can not exceed mold height.Take 100 weight part diphenylmethanediisocyanates (MDI), 100 weight part polyether alkylol cpds, the organo-tin compound of 4 weight parts waters and 1 weight part, be placed in mechanical stirrer to stir, mixed solution fills mould, to ensure that mixed solution can fill waste material space completely with the form of spraying in 300s.Sealed mold subsequently, control die temperature at 20-40 DEG C, form removal after 20 minutes, can obtain composite polyurethane foam block, and block weighs 36 kilograms.This block can be cut into the product of sheet material or other shapes subsequently.The scrap stock produced can directly recycling.
Embodiment 2
Polystyrene foam plate is ground into block and granular, overall dimension is no more than 55cm, the scrap of 16 kilograms of different sizes and particle are put in the mould being of a size of 1.1m × 1.1m × 0.6m, to ensure there is certain interval between filler, height can not exceed mold height.Take 130 weight part polymethylene multi-phenenyl isocyanates, 100 weight part polyether alkylol cpds, the tensio-active agent of 4 mass parts, 4 weight parts waters, the organo-tin compound of 1 weight part and the TDE of 8 weight parts and antimonous oxide mixture (weight ratio of TDE and antimonous oxide is 3:1), be placed in mechanical stirrer to stir, mixed solution fills mould, to ensure that mixed solution can fill waste material space completely with the form of spraying in 120s.Sealed mold subsequently, control die temperature at 20-40 DEG C, form removal after 20 minutes, can obtain composite polyurethane foam block, and block weighs 26 kilograms.This block can be cut into the product of sheet material or other shapes subsequently.The scrap stock produced can directly recycling.
Embodiment 3
Hard polyurethane foam board is ground into block and granular, overall dimension is no more than 55cm, the scrap of 30 kilograms of different sizes and particle are put in the mould being of a size of 1.1m × 1.1m × 0.6m, to ensure there is certain interval between filler, height can not exceed mold height.Take 75 weight part polymethylene multi-phenenyl isocyanates, 100 weight part polyether alkylol cpds, 4 weight parts waters, the organo-tin compound of 1 weight part, the tensio-active agent of 4 mass parts, the carbon black powder of 3 weight parts and the antioxidant 1010 of 2 mass parts, be placed in mechanical stirrer and stir, mixed solution fills mould, to ensure that mixed solution can fill waste material space completely with the form of spraying in 120s.Sealed mold subsequently, control die temperature at 20-40 DEG C, form removal after 20 minutes, can obtain composite polyurethane foam block, and block weighs 35 kilograms.This block can be cut into the product of sheet material or other shapes subsequently.This product split surface is the composite sheet that black is alternate with yellow, and wherein yl moiety is hard polyurethane foams block, and black part is divided into filled polyurethane foam.The scrap stock produced can directly recycling.
Effect test example 1
By the composite polyurethane foam material of embodiment 1,2 gained, carry out Performance Detection, the result obtained is as shown in the table:
| Performance Detection | Embodiment one | Embodiment two |
| Density kg/m 3 | 50 | 36 |
| Thermal conductivity W/ (mK) | 0.033 | 0.031 |
| Compressive strength (deformation 10%) MPa | 0.51 | 0.45 |
| Dimensional stability % | 0.6 | 0.5 |
| Water-intake rate % | 3.7％ | 3.8％ |
| Adhesiveproperties | Good with cement-based material cementability | Good with cement-based material cementability |
| Combustionproperty | Drip without melting | B1 level, drips without melting |
From the result of upper table Performance Detection, composite polyurethane foam mechanics of materials intensity prepared by the present invention is high, density is little, thermal conductivity is low, and stability is high, simultaneously stronger again adhesive property, and flame retardant properties.
Above embodiments of the invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the scope of the invention change and improve, and all should still belong within this patent covering scope.
Claims (10)
1. utilize the composite polyurethane foam sheet material that rigid foam waste material is produced, it is characterized in that: be prepared from by the component of following weight part:
Rigid foam waste material, its weight accounts for the 60%-90% of total mass.
2. composite polyurethane foam sheet material according to claim 1, is characterized in that: also comprise fire retardant, tensio-active agent, look mother, oxidation inhibitor wherein one or more.
3. composite polyurethane foam sheet material according to claim 2, is characterized in that: the add-on of fire retardant is 0-7 part by weight;
The add-on of tensio-active agent is 0-5 part by weight;
The add-on of look mother is 0-3 part by weight;
The add-on of oxidation inhibitor is 0-2 part by weight.
4. composite polyurethane foam sheet material according to claim 1, it is characterized in that: the scrap stock of described rigid foam waste material for producing in reclaimed materials and the course of processing, comprise rigid urethane foam, polystyrene foamed plastics, styrene-acrylonitrile copolymer porous plastics, phenolic foamed plastics, polysulphone foam plastics, polyphenylene oxide porous plastics, polycarbonate porous plastics and epoxy foam.
5. composite polyurethane foam sheet material according to claim 1, is characterized in that: described isocyanic ester is diphenylmethanediisocyanate (MDI) or tolylene diisocyanate (TDI) or both mixtures.
6. composite polyurethane foam sheet material according to claim 5, is characterized in that: described for diphenylmethanediisocyanate be pure MDI, or the mixture that pure MDI and thick MDI is formed, described pure MDI is 4,4'-MDI, 2,4'-MDI, 2,2'-MDI or its corresponding isomer mixture;
Described tolylene diisocyanate is 2,4 toluene diisocyanate or 2,6-tolylene diisocyanate or its corresponding isomer mixture.
7. composite polyurethane foam sheet material according to claim 1, is characterized in that: in described isocyanic ester-mass content of NCO group is 25%-35%, its average functionality is 2-3.
8. composite polyurethane foam sheet material according to claim 1, is characterized in that: described polyol compound is polyester, polyether alkylol cpd or its mixture, and its hydroxyl value content is 160-750mg KOH/g, and its average functionality is 2-4.
9. composite polyurethane foam sheet material according to claim 1, is characterized in that: described catalyzer is tertiary amine catalyst or organo-tin compound; Described whipping agent is water.
10. prepare a method for the composite polyurethane foam sheet material as described in claim 1-9, it is characterized in that, comprise the steps:
1) after rigid foam waste material being cleaned out, pulverize, drop in mould;
2), after other each components being mixed, mould is injected;
3) control die temperature at 20-40 DEG C, the reaction times is 10-60 minute, reaction terminate after rigid foam waste material fill composite polyurethane foaming block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510219716.5A CN104830049A (en) | 2015-04-30 | 2015-04-30 | Composite polyurethane foam sheet produced by using hard foam wastes, and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510219716.5A CN104830049A (en) | 2015-04-30 | 2015-04-30 | Composite polyurethane foam sheet produced by using hard foam wastes, and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104830049A true CN104830049A (en) | 2015-08-12 |
Family
ID=53808261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510219716.5A Pending CN104830049A (en) | 2015-04-30 | 2015-04-30 | Composite polyurethane foam sheet produced by using hard foam wastes, and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104830049A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105348777A (en) * | 2015-11-13 | 2016-02-24 | 安徽广源科技发展有限公司 | A polyurethane composite material modified by recycled electronic waste plastic |
| CN106827356A (en) * | 2017-01-23 | 2017-06-13 | 马德亮 | A kind of method that waste hard polyurethane foam plastic recycling prepares warming plate and cold storage plate |
| CN106832635A (en) * | 2016-12-30 | 2017-06-13 | 安徽华普环境修复材料科技有限公司 | A kind of fire-retardant heat insulation composite sandwich plate |
| CN107033315A (en) * | 2017-05-12 | 2017-08-11 | 南宁珀源能源材料有限公司 | Resin plate for Buddha's warrior attendant wire cutting and preparation method thereof |
| CN107383313A (en) * | 2017-08-29 | 2017-11-24 | 河北科技大学 | A kind of filled-type rigid composite material based on vamp leftover pieces and preparation method thereof |
| CN107418104A (en) * | 2017-08-30 | 2017-12-01 | 山东盈九新能源科技有限公司 | Polyvinyl chloride foam core leftover pieces and compound polyurethane material and preparation method thereof |
| CN107446345A (en) * | 2017-08-29 | 2017-12-08 | 河北科技大学 | A kind of filled-type flexible polyurethane foams based on vamp leftover pieces and preparation method thereof |
| CN107501906A (en) * | 2017-09-26 | 2017-12-22 | 安徽斯威达建材科技有限公司 | A kind of special cystosepiment of packaging for foodstuff |
| CN107627524A (en) * | 2017-08-14 | 2018-01-26 | 江阴市安和祥保温材料有限公司 | PU is incubated the production technology of closely knit plate |
| IT201700007890A1 (en) * | 2017-01-25 | 2018-07-25 | Diab Int Ab | PROCEDURE FOR THE PRODUCTION OF A SULPHONIC POLYMER AGGLOMERATE FROM EXPANDED SULFONIC POLYMER RECOVERY |
| CN111732830A (en) * | 2020-06-11 | 2020-10-02 | 叶正芬 | Uniform leveling polyurethane multi-component stock solution composition and preparation method thereof |
| CN111777788A (en) * | 2020-06-11 | 2020-10-16 | 叶正芬 | Double-component stock solution of high-elasticity low-density polyurethane shoe material and preparation method thereof |
| CN112143021A (en) * | 2020-09-04 | 2020-12-29 | 朱万礼 | Method for recycling polyurethane AB foaming material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101096426A (en) * | 2007-06-18 | 2008-01-02 | 林永飞 | Method for recycling waste hard foam polyurethane plastic |
| CN102229698A (en) * | 2011-05-12 | 2011-11-02 | 江苏久久防水保温隔热工程有限公司 | Method for making heat insulation board by using hard polyurethane foamed waste |
| CN103724982A (en) * | 2013-12-06 | 2014-04-16 | 上海华峰新材料研发科技有限公司 | Preparation method of environment-friendly PU (polyurethane) ceiling with flame retardant and sound absorption functions |
-
2015
- 2015-04-30 CN CN201510219716.5A patent/CN104830049A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101096426A (en) * | 2007-06-18 | 2008-01-02 | 林永飞 | Method for recycling waste hard foam polyurethane plastic |
| CN102229698A (en) * | 2011-05-12 | 2011-11-02 | 江苏久久防水保温隔热工程有限公司 | Method for making heat insulation board by using hard polyurethane foamed waste |
| CN103724982A (en) * | 2013-12-06 | 2014-04-16 | 上海华峰新材料研发科技有限公司 | Preparation method of environment-friendly PU (polyurethane) ceiling with flame retardant and sound absorption functions |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105348777A (en) * | 2015-11-13 | 2016-02-24 | 安徽广源科技发展有限公司 | A polyurethane composite material modified by recycled electronic waste plastic |
| CN106832635A (en) * | 2016-12-30 | 2017-06-13 | 安徽华普环境修复材料科技有限公司 | A kind of fire-retardant heat insulation composite sandwich plate |
| CN106827356A (en) * | 2017-01-23 | 2017-06-13 | 马德亮 | A kind of method that waste hard polyurethane foam plastic recycling prepares warming plate and cold storage plate |
| US11007676B2 (en) | 2017-01-25 | 2021-05-18 | Diab International Ab | Process for the production of a sulfone polymer agglomerate from the recovery of expanded sulfone polymer |
| WO2018137998A1 (en) | 2017-01-25 | 2018-08-02 | Diab International Ab | Process for the production of a sulfone polymer agglomerate from the recovery of expanded sulfone polymer |
| IT201700007890A1 (en) * | 2017-01-25 | 2018-07-25 | Diab Int Ab | PROCEDURE FOR THE PRODUCTION OF A SULPHONIC POLYMER AGGLOMERATE FROM EXPANDED SULFONIC POLYMER RECOVERY |
| CN107033315A (en) * | 2017-05-12 | 2017-08-11 | 南宁珀源能源材料有限公司 | Resin plate for Buddha's warrior attendant wire cutting and preparation method thereof |
| CN107627524A (en) * | 2017-08-14 | 2018-01-26 | 江阴市安和祥保温材料有限公司 | PU is incubated the production technology of closely knit plate |
| CN107383313A (en) * | 2017-08-29 | 2017-11-24 | 河北科技大学 | A kind of filled-type rigid composite material based on vamp leftover pieces and preparation method thereof |
| CN107446345A (en) * | 2017-08-29 | 2017-12-08 | 河北科技大学 | A kind of filled-type flexible polyurethane foams based on vamp leftover pieces and preparation method thereof |
| CN107418104A (en) * | 2017-08-30 | 2017-12-01 | 山东盈九新能源科技有限公司 | Polyvinyl chloride foam core leftover pieces and compound polyurethane material and preparation method thereof |
| CN107501906A (en) * | 2017-09-26 | 2017-12-22 | 安徽斯威达建材科技有限公司 | A kind of special cystosepiment of packaging for foodstuff |
| CN111732830A (en) * | 2020-06-11 | 2020-10-02 | 叶正芬 | Uniform leveling polyurethane multi-component stock solution composition and preparation method thereof |
| CN111777788A (en) * | 2020-06-11 | 2020-10-16 | 叶正芬 | Double-component stock solution of high-elasticity low-density polyurethane shoe material and preparation method thereof |
| CN111777788B (en) * | 2020-06-11 | 2023-04-18 | 台州蓝天企业服务有限公司 | Double-component stock solution of high-elasticity low-density polyurethane shoe material and preparation method thereof |
| CN112143021A (en) * | 2020-09-04 | 2020-12-29 | 朱万礼 | Method for recycling polyurethane AB foaming material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104830049A (en) | Composite polyurethane foam sheet produced by using hard foam wastes, and preparation method thereof | |
| KR100548660B1 (en) | Open-celled rigid polyurethane foam and method for producing the same | |
| CN102585138B (en) | Polyether polyol system for external wall spraying and preparation method | |
| CN103724982B (en) | The preparation method of the fire-retardant acoustic ceiling of a kind of environment-protecting polyurethane | |
| CN102766247A (en) | Rigid polyurethane/polyvinyl chloride composite foam plastic and preparation method thereof | |
| CN102229698A (en) | Method for making heat insulation board by using hard polyurethane foamed waste | |
| CN106750093A (en) | A kind of refrigerator for the polyurethane foam system of refrigerator and based on it | |
| JPH071479A (en) | Manufacture of heat-insulating structure | |
| CN103317737A (en) | Making method of fire-retardant heat insulation EPS board | |
| CN113248907B (en) | Inorganic filler composite polyurethane insulation board and preparation method and application thereof | |
| CN104151519A (en) | Cellular polyurethane elastomer composite material for nude model and preparation method thereof | |
| CN107163220A (en) | A kind of polyurethane foam system and the refrigerator based on it | |
| CN105542103A (en) | A composite foaming insulating material and a preparing method thereof | |
| CN110698714A (en) | Heat preservation foaming system based on heat preservation refrigerator | |
| CN102745955A (en) | Preparation process for three-dimensional mesh cloth foaming cement composite material | |
| CN101891872A (en) | Foaming raw material of bio-based polyurethane foaming plastic foamed by pentane serving as foaming agent and product thereof | |
| CN1775521A (en) | Hard-foam polyurethane composite plate and its production process | |
| CN104446596B (en) | Drift-sand and peat is utilized to produce the processing technology of crystallite foaming fire-retardant heat-insulation material | |
| CN106243695A (en) | High performance polyurethane exterior wall foamed materials | |
| CN101733893B (en) | Method for producing composite foam sheet from foam scrap with cross-linked polrvinyl chloride structure | |
| CN108794988A (en) | Utilize the external wall insulation and preparation method thereof of polyurethane leftover bits and pieces production | |
| CN205395380U (en) | Microwave foaming machine with continuous type lamination function | |
| CN203808270U (en) | Polyurethane heat-insulating material | |
| CN109096459B (en) | Environment-friendly low-density polyurethane sandwich panel | |
| CN101914982B (en) | Heat preservation and decoration integrated plate of red mud plastic outer wall and production process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150812 |