CN101543813B - A method for manufacturing a composite coating material - Google Patents
A method for manufacturing a composite coating material Download PDFInfo
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- CN101543813B CN101543813B CN2009100391822A CN200910039182A CN101543813B CN 101543813 B CN101543813 B CN 101543813B CN 2009100391822 A CN2009100391822 A CN 2009100391822A CN 200910039182 A CN200910039182 A CN 200910039182A CN 101543813 B CN101543813 B CN 101543813B
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- release liners
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Abstract
The invention discloses a method for manufacturing a composite coating material, which belongs to the field of material manufacturing and processing technology, and mainly comprises a) confecting coating material, abundantly stirring and mixing 40 wt percent-58 wt percent of diphenylmethane di-ethylene rhodanate, 40 wt percent-58 wt percent of polyether polyol and 1 wt percent-2 wt percent of minim colorant; putting mixed coating material in a coating material device; b) preparing base material; c) preparing release paper; d) spreading the coating; e) covering the release paper; f) thermal curing; g) cooling; h) obtaining composite coating product, and the like procedures. The method for manufacturing a composite coating material has simple craft and method; the manufactured product is pro-environment; waterproof and wear resistance are good.
Description
Technical field:
The invention belongs to material and make processing technique field, relate in particular to a kind of preparation method of composite coating material.
Background technology:
Chemical material such as foam, leather is widely used in the surface protection of automobile, furniture and other construction material and decorates with advantage such as its lightweight, easy-formation, but because simple foam or leather layer waterproof effect and wear-resisting poor effect influenced its protection decorative effect and service life; The foam material is all the more so, and its tensile strength is poor.How effectively to increase the waterproof antiwear effect of this type of material, become the focus of research in the industry, existing main way is to paste one deck water-proof antifriction layer on the surface of materials such as foam, leather, to increase its surface protection and decorative effect, increases its tensile strength simultaneously; But this quadrat method weak point has two: one, uses glue in a large number, the high and not environmental protection of cost; The 2nd, thickness significantly increases, and influences its decorative effect to a certain extent.
Summary of the invention:
Purpose of the present invention is intended to overcome the deficiency of prior art, a kind of not only environmental protection is provided but also can effectively controls the preparation method of the composite coating material of composite material thickness.
The objective of the invention is to be achieved through the following technical solutions:
A kind of preparation method of composite coating material, it comprises the steps:
A) preparation coating material: methyl diphenylene diisocyanate, PPG and micro-colorant are fully stirred mixed, mixed good coating material is put into the coating material device, each content of material is as follows:
Methyl diphenylene diisocyanate: 40wt%-58wt%
PPG: 40wt%-58wt%
Colorant: 1wt%-2wt%;
B) prepare base material: the one side cleaning back rolling of base material desire coating coating is arranged on first unreeling wheel;
C) prepare release liners: the rolling release liners is arranged on second unreeling wheel;
D) coating coating: described base material one end of step b) is placed on the drive, start drive, drive drives base material and launches, and opens coating material device bleeder valve, adds coating material on base material, with scraper coating material is uniformly coated on and forms coating on the base material;
E) go up release liners: release liners is affixed on the coating by the pressure roller calendering;
F) heat cure: release liners, coating and base material drive with drive and carry out baking oven, carry out heat cure;
G) cooling: after heat cure, be cooled to room temperature;
H) obtain the composite coating product: the upper strata release liners is peeled off, rolling on first winding wheel, with the finished product rolling of coating on second winding wheel.
Wherein the described base material of step b) is foam or leather.
Wherein the described heat curing temperature of step f) is 25 ℃-40 ℃.
Step h wherein) described coating layer thickness is 0.1-1mm.
The preparation method of a kind of composite coating material of the present invention, on base materials such as foam, leather, coat a coating, the primary raw material of this coating is methyl diphenylene diisocyanate and PPG and a small amount of colorant, this coating has good waterproof antiwear effect, and tensile strength height, one deck water-proof antifriction layer is pasted on the surface at materials such as foam, leathers with respect to prior art, need not to use a large amount of glue, not only cost reduces, more main is, the composite coating material environmental protection more that produces with the method for the invention; In addition, the coating layer thickness of the composite coating material of the production of the inventive method is 0.1-1mm only, to not influence of decorative effect.
Description of drawings:
Fig. 1 is the production process figure of the embodiment of the invention;
Fig. 2 is an institute of the present invention adopting process equipment schematic diagram.
The specific embodiment:
Introduce the present invention in detail below in conjunction with accompanying drawing:
As shown in Figure 1 and Figure 2, a kind of preparation method of composite coating material, it possesses method of operating and step is as follows:
The preparation coating material: the present invention fully stirs 40wt%-58wt% methyl diphenylene diisocyanate, 40wt%-58wt% PPG and 1wt%-2wt% colorant mixed in mixer 13, and mixed good coating material is put into coating material device 2; The amount of colorant can be determined according to the painted needs of coating in the coating material of the present invention, is requiring color depth, and the colorant that adds in the coating material is some more naturally, require painted shallow, add in the coating material colorant just less.Colorant of the present invention mainly refers to various pigment.
Prepare base material: the one side cleaning back rolling of base material 10 desires coating coating is arranged on first unreeling wheel 1; Because the clean-up performance on base material 10 surfaces has bigger influence to the coating effect, and is many as base material 10 surface dirt impurity, the coating effect is relatively poor, because these dust impurity will influence the abundant applying on coating and base material 10 surfaces; So generally before base material 10 coating coatings, earlier with base material 10 surface clean or clean by other method processing; Base material 10 of the present invention is mainly foam or leather, and certainly the present invention is not limited to foam or leather, and other that is similar to foam or leather also can serve as base material 10 of the present invention, is used to be coated with processing.
Prepare release liners: rolling release liners 11 is arranged on second unreeling wheel 5, and the main effect of release liners 11 is to increase the fineness of coating surface, makes coating surface smooth smooth, is convenient to decorate.
Coating coating: will be put in base material one end and place on the drive 3, start drive 3, drive 3 drives base material and launches, and opens the bleeder valve of coating material device 2, on base material 10, add coating material, with scraper 4 coating material is uniformly coated on base material 10 surfaces and forms coating;
Last release liners: release liners 11 is affixed on the coating by pressure roller 12 calenderings;
Heat cure: release liners 11, coating and base material 10 composite beds drive with drive 3 and enter baking oven 6, carry out heat cure; Heat cure is a comparatively crucial step of the inventive method, scribbles the base material 10 of coating and is affixed on the gearing of release liners 11 by drive on the coating, enters baking oven 6 together and toasts.In the methods of the invention, heat curing temperature is the end of than, generally be controlled at 25 ℃-40 ℃, admittedly may make coating existence gel in various degree for temperature is too high, the coating that gel is arranged, there are reduction in various degree in its toughness and elastic effect, so the inventive method makes coating reach optimum efficiency almost at normal temperatures with the air-dry curing of coating.
Cooling: after heat cure, be cooled to room temperature; Though only between 25 ℃-40 ℃, certain reaction takes place the mixed meeting between the coating material the inventive method heat curing temperature, the reaction nature has heat and produces, and cools the stage so need one; Not, all there be expanding with heat and contract with cold to a certain degree in plastic material, has only under the cool to room temperature situation, and product is finally typing.
Obtain the composite coating product: release liners 11 is peeled off from coating, rolling on first winding wheel 7, with the finished product rolling of coating on second winding wheel 8; The used release liners 11 of the present invention can be repeatedly used economical environment-protective.Coating on the base material 10 of the present invention, after technologies such as heat cure, cooling, coating layer thickness is 0.1-1mm, coating result is good, does not almost increase the thickness of base material 10, but makes base material 10 have waterproof antiwear effect preferably.
Embodiment 1
With the 40Kg methyl diphenylene diisocyanate, 40Kg PPG and 2Kg colorant are fully mixed in mixer, through preparing the foam base material, prepare release liners subsequently, the coating coating, and last release liners, heat cure, steps such as cooling obtain the composite coating product.Heat curing temperature is 25 ℃, and the coating layer thickness of the composite coating material that obtains at last is 0.1mm.
With the 50Kg methyl diphenylene diisocyanate, 49Kg PPG and 1Kg colorant are fully mixed in mixer, through preparing the foam base material, prepare release liners subsequently, the coating coating, and last release liners, heat cure, steps such as cooling obtain the composite coating product.Heat curing temperature is 30 ℃, and the coating layer thickness of the composite coating material that obtains at last is 0.5mm.
With the 58Kg methyl diphenylene diisocyanate, 40Kg PPG and 2Kg colorant are fully mixed in mixer, through preparing leather substrate, prepare release liners subsequently, the coating coating, and last release liners, heat cure, steps such as cooling obtain the composite coating product.Heat curing temperature is 40 ℃, and the coating layer thickness of the composite coating material that obtains at last is 1mm.
Through the composite coating material that the inventive method is made, its tensile strength, waterproof antiwear significantly strengthen.
The above only is a better embodiment of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, feature and principle change or modify, is included in the patent claim of the present invention.
Claims (4)
1. the preparation method of a composite coating material is characterized in that, it comprises the steps:
A) preparation coating material: methyl diphenylene diisocyanate, PPG and micro-colorant are fully stirred mixed, mixed good coating material is put into the coating material device, each content of material is as follows:
Methyl diphenylene diisocyanate: 40wt%-58wt%
PPG: 40wt%-58wt%
Colorant: 1wt%-2wt%;
B) prepare base material: the one side cleaning back rolling of base material desire coating coating is arranged on first unreeling wheel;
C) prepare release liners: the rolling release liners is arranged on second unreeling wheel;
D) coating coating: described base material one end of step b) is placed on the drive, start drive, drive drives base material and launches, and opens coating material device bleeder valve, adds coating material on base material, with scraper coating material is uniformly coated on and forms coating on the base material;
E) go up release liners: release liners is affixed on the coating by the pressure roller calendering;
F) heat cure: release liners, coating and base material composite bed drive with drive and carry out baking oven, carry out heat cure;
G) cooling: after heat cure, be cooled to room temperature;
H) obtain the composite coating product: the upper strata release liners is peeled off, rolling on first winding wheel, with the finished product rolling of coating on second winding wheel.
2. the preparation method of a kind of composite coating material according to claim 1, it is characterized in that: the described base material of step b) is foam or leather.
3. the preparation method of a kind of composite coating material according to claim 1, it is characterized in that: the described heat curing temperature of step f) is 25 ℃-40 ℃.
4. the preparation method of a kind of composite coating material according to claim 1, it is characterized in that: step h) described coating layer thickness is 0.1-1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100391822A CN101543813B (en) | 2009-04-30 | 2009-04-30 | A method for manufacturing a composite coating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100391822A CN101543813B (en) | 2009-04-30 | 2009-04-30 | A method for manufacturing a composite coating material |
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| Publication Number | Publication Date |
|---|---|
| CN101543813A CN101543813A (en) | 2009-09-30 |
| CN101543813B true CN101543813B (en) | 2011-06-29 |
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| CN2009100391822A Expired - Fee Related CN101543813B (en) | 2009-04-30 | 2009-04-30 | A method for manufacturing a composite coating material |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106622896B (en) * | 2016-12-06 | 2021-01-01 | 芜湖利通新材料有限公司 | Sponge gluing process |
| CN107964346A (en) * | 2017-12-27 | 2018-04-27 | 苏州研姿材料科技有限公司 | A kind of composite material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1471548A (en) * | 2000-10-23 | 2004-01-28 | 亨茨曼国际有限公司 | High performance sealant formulations based on MDI prepolymers |
| CN101177051A (en) * | 2006-11-08 | 2008-05-14 | 凯力实业股份有限公司 | Method for preparing decorative tablet or decorative cloth with solid pattern |
-
2009
- 2009-04-30 CN CN2009100391822A patent/CN101543813B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1471548A (en) * | 2000-10-23 | 2004-01-28 | 亨茨曼国际有限公司 | High performance sealant formulations based on MDI prepolymers |
| CN101177051A (en) * | 2006-11-08 | 2008-05-14 | 凯力实业股份有限公司 | Method for preparing decorative tablet or decorative cloth with solid pattern |
Non-Patent Citations (1)
| Title |
|---|
| 梁楫熹.离型纸法干式聚氨酯人造革的生产.《聚氨酯工业》.1991,(第3期),30-36. * |
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