CN104650749A - Method for extruding coated artificial board by virtue of polymers - Google Patents
Method for extruding coated artificial board by virtue of polymers Download PDFInfo
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- CN104650749A CN104650749A CN201310603121.0A CN201310603121A CN104650749A CN 104650749 A CN104650749 A CN 104650749A CN 201310603121 A CN201310603121 A CN 201310603121A CN 104650749 A CN104650749 A CN 104650749A
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- pvc
- coupling agent
- polymer
- inert solvent
- mdi
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Abstract
The invention provides a method for extruding a coated artificial board by virtue of polymers. According to the technical scheme, the method comprises the steps of carrying out surface treatment on a formed artificial profiled bar by virtue of isocyanate, a silane coupling agent, an epoxy coupling agent and anhydride to enable the surface of a panel to be compatible with PVC, PP and PE or react the surface of the panel when the polymers are extruded, so as to bond the panel with plastic; dissolving the silane coupling agent into an inert solvent, wherein the inert solvent has contain invasion to the panel and is easily volatilized, the silane coupling agent comprises MDI, TDI, HDI, maleic anhydride and phthalic anhydride, and the inert solvent comprises acetone, diethyl ether, 1,4-dioxane, DMF and DMSO. The method provided by the invention is reasonable and practical, a preparation process is simple, PVC is firmly bonded with the artificial profiled bar and does not easily fall, the cost is lowered, and the production efficiency and the economic benefit are improved; the method is suitable for being generally popularized and used.
Description
Technical field:
The present invention relates to man-made board technology field, especially a kind of method of polymer-extruded coated wood-based plate.
Background technology:
In recent years along with the lifting of development people more and more attaching importance to environmental protection and the quality of the life of society.Traditional PVC, PE, PP extrude apparatus, have good surface luster and performance, but owing to being nonrenewable resource and cost is higher, and make it use to receive certain restriction.PE, PP, PVC after plasticizing is coated on artificial profiled material by the method that people begin through applying glue, although to reach to a certain extent due to the plastics after plastifying in surface luster and ageing resistance and otherwise performance all less than the plastics of unplasticised mistake.Because the polymer poor compatibility such as artificial profiled material and PVC, PP, PE are directly coated to after on artificial profiled material by extruding, easily come off.If directly extruded again after plate surface applying glue, glue is easily in decomposition or stay head and directly affect the carrying out of extruding, coated mainly wood-plastic products is carried out at present by extruding, because the comparision contents of multipolymer is high in wood-plastic products, after co-extrusion wood mould in polymer and the polymer extruded of surface just have good consistency, but be directly expressed into also not solving at present of artificial profiled material material surface.
Summary of the invention
Object of the present invention is exactly the defect existed for prior art, provides a kind of method of polymer-extruded coated wood-based plate.Its technical scheme is: adopt isocyanic ester, silane coupling agent, epoxy coupling agents, acid anhydrides to carry out surface treatment shaping rear artificial profiled material, make plate surface and PVC, PP, PE have consistency or react when polymer-extruded thus make sheet material together with plastic bonding.Silane coupling agent is dissolved in inert solvent, and inert solvent has certain wettability to sheet material and easily volatilizees.Silane coupling agent comprises MDI, TDI, HDI, maleic anhydride, phthalic anhydride, and inert solvent comprises acetone, ether, 1.4-dioxane, DMF, DMSO.MDI is mixed according to mass ratio 1:4 with acetone, the acetone soln dissolving MDI is sprayed at the surface of artificial profiled material, reaction is to surface drying, again at surface spraying one deck trolamine, wherein the ratio of the amount of substance of MDI and trolamine is 3:1, after plate surface drying, obtain the sheet material after processing, sheet material is inserted cross-head and PVC coextrusion, make profiled material Surface coating one deck PVC.
The inventive method is reasonable and practical, and manufacture craft is simple, and PVC and artificial profiled material, in conjunction with firm difficult drop-off, reduce cost, improve production efficiency and economic benefit, is applicable to popularity and uses.
Embodiment
Embodiment 1.
MDI is mixed according to mass ratio 1:4 with acetone, the acetone soln dissolving MDI is sprayed at the surface of artificial profiled material, reaction is to surface drying, again at surface spraying one deck trolamine, wherein the ratio of the amount of substance of MDI and trolamine is 3:1, obtains the sheet material after processing after plate surface drying, sheet material is inserted cross-head and PVC coextrusion, make profiled material Surface coating one deck PVC, find through burn-in test, the ageing-resistant performance of surperficial PVC is identical with unplasticised PVC.PVC and artificial profiled material are in conjunction with firm difficult drop-off.
Embodiment 2.
MDI is mixed according to mass ratio 1:6 with ether, the diethyl ether solution dissolving MDI is sprayed at the surface of artificial profiled material, reaction is to surface drying, again at surface spraying one deck chloroethanol, wherein the ratio of the amount of substance of MDI and chloroethanol is 1:1, obtains the sheet material after processing after plate surface drying, sheet material is inserted cross-head and PVC coextrusion, make profiled material Surface coating one deck PVC, find through burn-in test, the ageing-resistant performance of surperficial PVC is identical with unplasticised PVC.PVC and artificial profiled material in conjunction with firm difficult drop-off, but slightly poorer than embodiment 1.
Embodiment 3.
1 volume maleic anhydride is dissolved in the DMF of 4 volumes, the acetone soln dissolving maleic anhydride is sprayed at the surface of artificial profiled material, reaction is to surface drying, the sheet material after processing is obtained after plate surface drying, sheet material is inserted cross-head and PVC coextrusion, make profiled material Surface coating one deck PP, find through burn-in test, the ageing-resistant performance of surperficial PP is identical with unplasticised PP.PP and artificial profiled material are in conjunction with firm difficult drop-off.
Claims (4)
1. the method for a polymer-extruded coated wood-based plate, it is characterized in that: adopt isocyanic ester, silane coupling agent, epoxy coupling agents, acid anhydrides to carry out surface treatment shaping rear artificial profiled material, make plate surface and PVC, PP, PE have consistency or react when polymer-extruded thus make sheet material together with plastic bonding.
2. the method for a kind of polymer-extruded coated wood-based plate according to claim 1, it is characterized in that: silane coupling agent is dissolved in inert solvent, inert solvent has certain wettability to sheet material and easily volatilizees.
3. the method for a kind of polymer-extruded coated wood-based plate according to claim 1 and 2, is characterized in that: described silane coupling agent comprises MDI, TDI, HDI, maleic anhydride, phthalic anhydride, described inert solvent comprises acetone, ether, 1.4-dioxane, DMF, DMSO.
4. the method for a kind of polymer-extruded coated wood-based plate according to claim 1 and 2, it is characterized in that: MDI is mixed according to mass ratio 1:4 with acetone, the acetone soln dissolving MDI is sprayed at the surface of artificial profiled material, reaction is to surface drying, again at surface spraying one deck trolamine, wherein the ratio of the amount of substance of MDI and trolamine is 3:1, the sheet material after processing is obtained after plate surface drying, sheet material is inserted cross-head and PVC coextrusion, make profiled material Surface coating one deck PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310603121.0A CN104650749A (en) | 2013-11-25 | 2013-11-25 | Method for extruding coated artificial board by virtue of polymers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310603121.0A CN104650749A (en) | 2013-11-25 | 2013-11-25 | Method for extruding coated artificial board by virtue of polymers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104650749A true CN104650749A (en) | 2015-05-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310603121.0A Pending CN104650749A (en) | 2013-11-25 | 2013-11-25 | Method for extruding coated artificial board by virtue of polymers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104650749A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1495014A (en) * | 2002-06-24 | 2004-05-12 | ���з��ɹ�˾ | Thermoplastic polymer base and polyolefin base hose for oil field or natural gas field operation |
| CN102152515A (en) * | 2010-11-20 | 2011-08-17 | 何承居 | Film-coated profile and manufacturing method thereof |
-
2013
- 2013-11-25 CN CN201310603121.0A patent/CN104650749A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1495014A (en) * | 2002-06-24 | 2004-05-12 | ���з��ɹ�˾ | Thermoplastic polymer base and polyolefin base hose for oil field or natural gas field operation |
| CN102152515A (en) * | 2010-11-20 | 2011-08-17 | 何承居 | Film-coated profile and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李广宇等: "《胶黏剂原材料手册》", 31 August 2004, 国防工业出版社 * |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20150527 |