CN101279495A - In-mold water transfer printing technique of polyurethane foaming product surface - Google Patents
In-mold water transfer printing technique of polyurethane foaming product surface Download PDFInfo
- Publication number
- CN101279495A CN101279495A CNA2008100980964A CN200810098096A CN101279495A CN 101279495 A CN101279495 A CN 101279495A CN A2008100980964 A CNA2008100980964 A CN A2008100980964A CN 200810098096 A CN200810098096 A CN 200810098096A CN 101279495 A CN101279495 A CN 101279495A
- Authority
- CN
- China
- Prior art keywords
- die
- polyurethane foaming
- foaming product
- polyvinyl alcohol
- mould
- 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.)
- Granted
Links
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 37
- 239000004814 polyurethane Substances 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000005187 foaming Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000010023 transfer printing Methods 0.000 title claims abstract description 18
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 23
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 238000007639 printing Methods 0.000 claims abstract description 5
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 9
- 239000011496 polyurethane foam Substances 0.000 claims description 9
- GTACSIONMHMRPD-UHFFFAOYSA-N 2-[4-[2-(benzenesulfonamido)ethylsulfanyl]-2,6-difluorophenoxy]acetamide Chemical compound C1=C(F)C(OCC(=O)N)=C(F)C=C1SCCNS(=O)(=O)C1=CC=CC=C1 GTACSIONMHMRPD-UHFFFAOYSA-N 0.000 claims description 2
- 101710130081 Aspergillopepsin-1 Proteins 0.000 claims description 2
- 102100031007 Cytosolic non-specific dipeptidase Human genes 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005266 casting Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 230000002045 lasting effect Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 29
- 238000005516 engineering process Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229920005862 polyol Polymers 0.000 description 3
- 150000003077 polyols Chemical class 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000013012 foaming technology Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a polyurethane foaming product surface norm internal water transfer printing process, which is characterized in that the needed patterns are printed on a polyvinyl alcohol film by using ink; release agent is evenly sprayed on the cavity of a die; the polyvinyl alcohol film printed with patterns is spread on the positive surface of the die and then the die is closed; polyurethane foaming materials are cast into the die, the die is opened and the polyurethane foaming product is taken out after a reaction lasting for 20 to 50 minutes; the polyurethane foaming product is washed by water to remove the polyvinyl alcohol film residuals on the surface of the polyvinyl alcohol film. In the invention, the water soluble film is directly utilized to carry out the transferring in the die (hereinafter referred to as 'transferring in die'), all kinds of patterns only need to be printed on the water soluble film (namely, the PVA film), the PVA can be directly arranged in the die before to the die is cast, so as to realize one-step casting and transferring and then water is used for cleaning the die. The printing process of the invention is simple, has low cost, vivid appearance effect, and the adhesion exceeds that provided by the process of printing patterns on the surface of the polyurethane foaming product in the prior art.
Description
Affiliated technical field
The present invention relates to a kind of polyurethane foaming product surface treatment process, relate in particular to and a kind of the polyurethane products surface is handled to form the technology of pattern.
Background technology
Polyurethane foaming product mainly is used as the filler of its product or plays damping, the effect of decorating and insulating at automobile, building and furniture industry.According to the difference of product, polyurethane foaming product can provide different characteristics in some special application.It can be rendered as softly and flexible when being used for seat cushion, and it can be rendered as hard and durable when being used for insulating materials.
According to the characteristic of polyurethane foaming product,, the pure and mild PPG of polyester polyols (common name " white material ", i.e. POLYOL) allotment is combined as polyurethane foam material and is poured into mould, to produce polyurethane foaming product as density, hardness, shock resistance etc.
In order to form pattern at polyurethane foaming product surface, traditional technology is that white material (being POLYOL) or black material (the being ISO) lining toward polyurethane adds pigment, and the polyurethane foaming product color that the cast back forms is single.Changing appearance color and pattern as need need use lacquer spraying technique (also promptly at the product surface primer spray) or water transfer printing (also claiming the water coating) technology (also being about to required pattern is imprinted on the water soluble film (also being the PVA film), utilize the principle of hydraulic pressure, the water soluble film of printed pattern is lain on the water surface, spray an amount of activator, product is wanted facing down of transfer printing, contact in water with film at leisure and press, pattern will transfer printing on product, bath is dried or is dried again, sprays one deck finish paint again).The product that above-mentioned lacquer spraying technique or water transfer printing technique process can reach certain surface effect, but the cost that will cost a lot of money (as primer spray, water transfer printing, topcoating etc.).
Summary of the invention
The invention provides a kind of in-mold water transfer printing technique of polyurethane foaming product surface, its purpose solves the shortcoming that prior art exists, and provides that a kind of technology is simple, cost is low, appearance is true to nature; And adhesive force exceeds the technology at the polyurethane foaming product surface printed patterns of prior art.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of in-mold water transfer printing technique of polyurethane foaming product surface is characterized in that:
1) with required pattern with ink printing on polyvinyl alcohol film;
2) releasing agent will evenly be sprayed in the mould cavity;
3) polyvinyl alcohol film of printed pattern is tiled on the sunny side of mould, again matched moulds;
4) toward the interior cast polyurethane expanded material of mould;
5) reaction was opened mould after 20-50 minute, took out polyurethane foaming product;
6) with water clean polyurethane foam product, the polyvinyl alcohol film removing residues on surface.
The principle of technique scheme is: water is the good solvent of polyvinyl alcohol film (also claiming water soluble film, PVA film), and in the viewpoint of practicality, water also is unique effective solvent.PVA (polyvinyl alcohol) has the good film of making, and the film of formation has excellent adhesion, solvent resistance, rub resistance, tensile strength and oxygen barrier performance.This patent utilizes the polyurethane foam material of oil film on the water soluble film of printed pattern and injection can be bonding when reaction, but moisture content is few in the polyurethane material, water soluble film film paper can't dissolve, polyurethane material reacts the pressure that is produced in mould under, water soluble film will play the carrier of pattern transfer, make pattern evenly transfer printing entirely on product.Water washes after the demoulding, water-soluble rete is washed off get final product.
The usefulness of technique scheme is: the present invention directly utilizes water soluble film transfer printing in mould (being called for short " in-mold transfer printing "), as long as various required pattern is printed on (being the PVA film) on the water soluble film; Can be directly built-in good before die casting, the disposal pouring transfer printing, the back is as long as water washes, and technology is simple, cost is low, appearance is true to nature; And adhesive force exceeds the technology at the polyurethane foaming product surface printed patterns of prior art.
The specific embodiment
A kind of in-mold water transfer printing technique of polyurethane foaming product surface is characterized in that:
1) will imitate stone or wood grain or other required patterns with ink printing on polyvinyl alcohol film;
According to product demand, can cut by size polyvinyl alcohol film;
The mould of required production is cleared up as exhaust outlet, perfusing hole etc., needed to check that inner chamber has free from admixture and residue;
2) releasing agent will evenly be sprayed in the mould cavity; Releasing agent is that the general releasing agent of polyurethane foam technology gets final product herein.
3) polyvinyl alcohol film that cuts is placed in tiling on the sunny side of the mould in the die cavity, require smooth, matched moulds again;
4) will expect (to be POLYOL in vain, can be PEPA or PPG) and deceive and expect (to be ISO, can be MDI ('-diphenylmethane diisocyanate) or TDI (toluene di-isocyanate(TDI))) the polyurethane foam combination material that forms with allotment in 1: the 1 adding bottler placer that stirs, the die cavity of the discharging mouth of bottler placer being aimed at mould carries out material feeding again, toward the interior cast polyurethane expanded material of mould;
5) reaction is opened mould after 20-50 minute (time is according to the demand decision of polyurethane foaming product own), takes out polyurethane foaming product;
6) polyurethane foaming product was soaked in water 5-10 minute,
7) with water clean polyurethane foam product, the polyvinyl alcohol film removing residues on surface.
The pattern of the polyurethane foaming product surface that above explained hereafter goes out is just very clear, true to nature, can't come off or aging.
Claims (3)
1, a kind of in-mold water transfer printing technique of polyurethane foaming product surface is characterized in that:
1) with required pattern with ink printing on polyvinyl alcohol film;
2) releasing agent will evenly be sprayed in the mould cavity;
3) polyvinyl alcohol film of printed pattern is tiled on the sunny side of mould, again matched moulds;
4) toward the interior cast polyurethane expanded material of mould;
5) reaction was opened mould after 20-50 minute, took out polyurethane foaming product;
6) with water clean polyurethane foam product, the polyvinyl alcohol film removing residues on surface.
2, in-mold water transfer printing technique of polyurethane foaming product surface as claimed in claim 1 is characterized in that: the described polyurethane foam material of pouring into a mould in mould is for allocating the combination material that forms by PEPA or PPG with MDI or TDI.
3, in-mold water transfer printing technique of polyurethane foaming product surface as claimed in claim 1, it is characterized in that: opening mould, take out after the polyurethane foaming product, polyurethane foaming product was soaked in water 5-10 minute, again with water clean polyurethane foam product, the polyvinyl alcohol film removing residues on surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810098096A CN100575042C (en) | 2008-05-27 | 2008-05-27 | In-mold water transfer printing technique of polyurethane foaming product surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810098096A CN100575042C (en) | 2008-05-27 | 2008-05-27 | In-mold water transfer printing technique of polyurethane foaming product surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101279495A true CN101279495A (en) | 2008-10-08 |
| CN100575042C CN100575042C (en) | 2009-12-30 |
Family
ID=40012257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810098096A Expired - Fee Related CN100575042C (en) | 2008-05-27 | 2008-05-27 | In-mold water transfer printing technique of polyurethane foaming product surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100575042C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626862A (en) * | 2013-11-13 | 2015-05-20 | 宁波波力顺足护理用品有限公司 | Manufacturing method of artware with patterns by gel |
| CN105643858A (en) * | 2015-12-31 | 2016-06-08 | 王天强 | Preparation method of paint spraying free shoe sole |
| CN109080286A (en) * | 2018-07-23 | 2018-12-25 | 佛山市品格包装材料有限公司 | Water transfers workpiece polyvinyl alcohol residual layer treatment fluid and processing method |
| CN110978835A (en) * | 2019-11-25 | 2020-04-10 | 苏州美盈森环保科技有限公司 | Three-dimensional transfer printing method for paper pulp molding |
-
2008
- 2008-05-27 CN CN200810098096A patent/CN100575042C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626862A (en) * | 2013-11-13 | 2015-05-20 | 宁波波力顺足护理用品有限公司 | Manufacturing method of artware with patterns by gel |
| CN105643858A (en) * | 2015-12-31 | 2016-06-08 | 王天强 | Preparation method of paint spraying free shoe sole |
| CN109080286A (en) * | 2018-07-23 | 2018-12-25 | 佛山市品格包装材料有限公司 | Water transfers workpiece polyvinyl alcohol residual layer treatment fluid and processing method |
| CN110978835A (en) * | 2019-11-25 | 2020-04-10 | 苏州美盈森环保科技有限公司 | Three-dimensional transfer printing method for paper pulp molding |
| CN110978835B (en) * | 2019-11-25 | 2021-10-26 | 苏州美盈森环保科技有限公司 | Three-dimensional transfer printing method for paper pulp molding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100575042C (en) | 2009-12-30 |
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| C14 | Grant of patent or utility model | ||
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Owner name: XIAMEN NIUYOU NEW TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WU GUOMING Effective date: 20100324 |
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Free format text: CORRECT: ADDRESS; FROM: 361004 ROOM 18D, NO.327, JIAHE ROAD, SIMING DISTRICT, XIAMEN CITY, FUJIAN PROVINCE TO: 361008 BUILDING 2, HUANDONGHAIYU HULI INDUSTRIAL PARK, TONG'AN DISTRICT, XIAMEN CITY, FUJIAN PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20100324 Address after: 361008, No. 2, Huli Industrial Park, ring sea area, Tongan District, Fujian, Xiamen Patentee after: Xiamen NEU Craft Co., Ltd. Address before: Siming District of Jiahe road Xiamen City, Fujian province 361004 room 18D No. 327 Patentee before: Wu Guoming |
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| DD01 | Delivery of document by public notice | ||
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Addressee: Liu Yaqiong Document name: Notification to Pay the Fees |
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Addressee: Liu Yaqiong Document name: Notice of termination of patent |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20200527 |