CN1389505A - Mehthod of making foamed material with artificial wood grains - Google Patents
Mehthod of making foamed material with artificial wood grains Download PDFInfo
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- CN1389505A CN1389505A CN 02112211 CN02112211A CN1389505A CN 1389505 A CN1389505 A CN 1389505A CN 02112211 CN02112211 CN 02112211 CN 02112211 A CN02112211 A CN 02112211A CN 1389505 A CN1389505 A CN 1389505A
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Abstract
There is a method of manufacturing the foaming material imitating the natural wood grain, specially the EVA foaming material. The method adopts the techniques of routinely mixing materials, plastifying, calendering, foaming and so on, at first respectively make the deep-color piece material and the light-color piece material, then use the made deep-color piece material and the just plastified light-color piece material to match colors and calendar the materials to draw the wood grain by plastifying, and then foam the materials into the finished product by folding the piece materials, matching colors and rolling. Compared with the present techniques, the invention can manufacture the material which has the breathing natural wood-grain pattern on surface and had the breathing natural wood-grain pattern inside the material.
Description
Technical field
The present invention relates to a kind of method of making imitative natural wood grain foam material, especially a kind of method of making the imitative natural wood grain foam material of EVA.
Background technology
The application of macromolecular material in life is very extensive at present, and its performance reaches even considerably beyond traditional material, has also alleviated the deficiency of natural resourcess such as timber on the earth when bringing great convenience for people's life.But people are to the requirement of material and not only be confined to its performance, the external aesthetic measure of material and ornamental also be the importance that people consider when select materials.Such as the natural wood veins that timber had, be the human decorative pattern of being liked always, be popular in Japan especially.The geta that Japan and South East Asia people are liking, the sole of clog are made by timber, its shortcoming is not only hard but also heavy, run into special pain on the pin because of carelessness, also slip easily in the rainy day, old friends wish and can substitute with light and the certain elastic macromolecular material of tool.Moreover, the material of imitative natural wood veins in house fitting-up also with very popular.But, go out to have the material not a duck soup of natural wood grain pattern by its color matching or colour mixture explained hereafter owing to the singularity of macromolecular material production process.The present practice has following several: the plastics film that 1, is printed with grain pattern on material surface is pasted; Its shortcoming is that film is easy to come off, and grain pattern only limits to the surface, does not have the gradation sense of timber, and plastics film smooth surface, absorbing sweat not; 2,, produce grain pattern by coating application technology at the material surface paint; Same, the grain pattern that this method produced also only limits to the surface, and the construction technology complexity, the cost height, and coating is easy to ftracture with the bending of material in addition; 3, adopt injection moulding process, the internal surface of its mould therefor cavity has the concavo-convex groove of wood texture shape, injects a kind of colorant earlier in mold cavity, makes it fill up groove, and the another kind of colorant that reinjects afterwards is the three-dimensional imitative wood grain material that distributes thereby form; Though the certain stereoscopic sensation of its tool, but still the tangible layering of tool, the collocation boundary of color is clear, the stiff not nature of wood grain; 4, adopt extrusion method, be as described in 93100077.7 the Chinese patent as application number, it is formed by powder, pellet proportioning control wood grain, is equipped with the low foaming that continues of forcing machine again, forms the imitated wood material that wood grain is appeared on the surface in one's mind, its wood grain layer is thicker, texture, sense of touch are better, but because the restriction of extrusion molding itself, colour match is difficult for even, transition between the color is nature not, and it is stiff and true to nature inadequately that formed wood grain seems; 5, adopt the method roll the garland line after the twin-roll machine colour mixture again, its formed wood grain exists between the color nature of transition, the stiff shortcoming true to nature inadequately of wood grain equally.
Summary of the invention
Technical problem to be solved by this invention is that a kind of method of making imitative natural wood grain foam material is provided at above-mentioned prior art present situation, made foam material is bill of material mask natural wood grain pattern true to nature not only, and also tool natural wood grain pattern true to nature of material internal.
The method of the imitative natural wood grain foam material of the manufacturing that the present invention adopts is: with macromolecule resin and suitable adjuvants is raw material, and raw material by a dark prescription and a light color prescription batching, is characterized in that production stage is as follows respectively:
A, make dark sheet; Promptly get the raw material of forming by the dark color prescription, successively through batch mixing, plasticate, calendering procedure, it is stand-by to cut into slices;
B, make light sheet; Promptly get the raw material of forming by the light color prescription, successively through batch mixing, plasticate, calendering procedure, it is stand-by to cut into slices;
C, color matching; Get the raw material of forming by the light color prescription, through batch mixing and plasticating, when it will slice through plasticating evenly, cut off sheet stock, transfer narrow rod tube gap, the dark sheet stock that makes in the steps A is wrapped in the light sheet stock that this step just cut off, the discharging after 3～4 times of plasticating from different directions, wherein the consumption of dark sheet stock is 1/3rd to 1/8th of a light sheet stock consumption;
D, draw wood grain; The sheet stock for preparing look among the step C is pulled out grain pattern through calendering procedure, and it is stand-by to cut into slices;
E, the wood grain sheet stock that makes among the light sheet that makes among the step B and the step D is being guaranteed that the interval stacks under the consistent situation of lines trend, sheet stock stacks number to be needed to decide on the back operation, make simultaneously that the darker wood grain of color staggers mutually in the different wood grain sheet stocks, make dark, light wood grain collocation evenly as far as possible;
F, the above-mentioned sheet stock of folding is rolled into tubular by grain direction;
G, according to die size in mould and drain into the tubular material that make in the number volume step F, in proper temperature and pressure lower frothing moulding.
Wherein, step C also can directly wrap into the dark sheet stock that makes in the steps A in the light sheet stock that makes among the step B, the discharging after 3～4 times of plasticating from different directions.Adopt this alternative steps, because of material need reheat plasticizing, may cause the part degraded of material and influence its performance, power consumption simultaneously also increases to some extent;
The component and the prescription of the described raw material of forming by dark prescription are as follows:
The title mass fraction
EVA???????????????????????????????????????30～70
PE????????????????????????????????????????90～110
Dicumyl peroxide (DCP) 0.5～5
Cellmic C 121 (AC) 2～10
Zinc oxide (ZnO) 0.5～4
Stearic acid (St) 0.5～4
Iron oxide red powder 0.5～2
Iron oxide yellow powder 8～18
Black female 0.03～0.12
The component and the prescription of the described raw material of forming by light color prescription are as follows:
The title mass fraction
EVA????????????????????????????????????????20～60
PE?????????????????????????????????????????90～110
Dicumyl peroxide (DCP) 0.5～5
Cellmic C 121 (AC) 2～10
Zinc oxide (ZnO) 0.5～4
Stearic acid (St) 0.5～4
Iron oxide red powder 0.01～0.05
Iron oxide yellow powder 0.1～1
Contain 15～30 parts of fine particle calcium carbonates, 40～60 parts of coarse whitings in the described dark prescription;
Contain 28～45 parts of fine particle calcium carbonates, 45～65 parts of coarse whitings in the described light color prescription;
At least in a prescription, contain banksia rose essence in described dark prescription and the light color prescription;
The content of banksia rose essence is 0.5～1.5 part in described dark prescription and the light color prescription;
Dicumyl peroxide (DCP) in above-mentioned two composition of raw materials can also substitute by ditert-butyl peroxide; Zinc oxide (ZnO) can partly or entirely substitute with PbO, BaO and CdO; Stearic acid (St) can substitute by the fatty acid ester material; Fine particle calcium carbonate and coarse whiting can be partly or entirely alternative with the product rim charge of mica, talcum powder and described imitative natural wood grain foam material.In addition, can also in prescription, add lead sulfate tribasic, second base lead sulfate or/and stearic zinc, lead, calcium, barium salt as the stablizer of material in the process of plasticating.
In the imitative natural wood grain foam material process by above-mentioned dark, light formula material manufacturing, the temperature of batch mixing process is controlled at 100 ℃～110 ℃; When making dark sheet, the roller gap of the operation of plasticating is 1.5～2mm; When plasticating the light color material among the step C, the roller gap is 6～10mm; When plasticating the light color material that has been surrounded by dark sheet stock among the step C, the roller gap is transferred narrow to 3～6mm; When grain pattern was drawn in calendering, the thickness of control wood grain sheet stock was 1.2～2mm among the step D; The temperature of step G foamed process is controlled to be 160 ℃～180 ℃, and air pressure is controlled to be 0.7～0.8MPa, and foamed time is decided according to mold thickness, is generally 10～30 minutes.
In the present invention, dark material forms the texture part of wood grain, because material is fluidised form or semi-fluid attitude in foaming process, dark, the light-colored part of material can suitably interpenetrate, thereby the wood grain transition that forms nature, and form is true to nature.Be added with an amount of spices such as banksia rose essence in the used raw material, make made imitative natural wood grain foam material smell fragrance with timber.For satisfying the different occasions needs of purposes in other words, may need different hardness and flexible material, among the present invention, improve the integral hardness of material and can be controlled by the consumption of rigidity amounts of components in the increase raw material or minimizing whipping agent, vice versa; Such as the present invention listed be in the imitative natural wood grain foam material prescription of matrix resin component with EVA and PE, under the certain situation of foaming agent consumption, the consumption that can reduce flexible composition EVA by the consumption that increases rigidity component PE improves the final hardness of material, and the method for consumption that can certainly be by an amount of minimizing whipping agent improves its hardness; In addition, the consumption of filler also exists the influence of material hardness.In addition, the hardness of dark part that can also make material with preceding method is greater than light-colored part, thereby makes institute's prepared material not only seem the natural wood grain that tool is true to nature, but also has the sense of touch of natural wood texture.
Compared with prior art, the present invention is under the situation that does not increase any new installation, can produce surperficial tool natural wood grain pattern true to nature, inner also tool natural wood grain pattern true to nature, the transverse section also has the material of the ring-type annual ring texture of natural timber, the sense of touch of formed wood texture tool natural wood veins, become the holistic distribution characteristics of wood grain to make it in use progressively not lose its initial grain pattern that has because of the wearing and tearing of material.
Specific embodiment
Below in conjunction with embodiment the present invention is described in further detail.
Raw-material prescription is formed among each embodiment of table 1
| Classification | The name of an article | Content (mass fraction) | |||||||
| Embodiment one | Embodiment two | Embodiment three | Embodiment four | ||||||
| Dark prescription | The light color prescription | Dark prescription | The light color prescription | Dark prescription | The light color prescription | Dark prescription | The light color prescription | ||
| Resin 1 | ??EVA | ????42 | ??36 | ????34 | ??28 | ????42 | ????36 | ????34 | ????44 |
| Resin 2 | ??PE | ????100 | ??100 | ????108 | ??108 | ????100 | ????100 | ????108 | ????92 |
| Linking agent | ??DCP | ????1.3 | ??1.35 | ????1.3 | ??1.35 | ????1.3 | ????1.55 | ????1.3 | ????1.35 |
| Whipping agent | ??AC | ????4.5 | ??4.1 | ????4.5 | ??4.1 | ????5.8 | ????5.4 | ????4.5 | ????4.1 |
| Frothing aid | ??ZnO | ????1.7 | ??1.8 | ????1.7 | ??1.8 | ????1.7 | ????1.8 | ????1.7 | ????1.8 |
| Lubricant | Hard ester acid | ????1.9 | ??1.8 | ????1.9 | ??1.8 | ????1.9 | ????1.8 | ????1.9 | ????1.8 |
| Filler | Fine particle calcium carbonate | ????21 | ??36 | ????21 | ??36 | ????21 | ????36 | ????21 | ????36 |
| Coarse whiting | ????50 | ??54 | ????50 | ??54 | ????50 | ????54 | ????50 | ????54 | |
| Pigment | The iron oxide red powder | ????1.2 | ??0.023 | ????1.2 | ??0.02 | ????1.2 | ????0.023 | ????1.2 | ????0.023 |
| The iron oxide yellow powder | ????13 | ??0.83 | ????13 | ??0.83 | ????13 | ????0.83 | ????13 | ????0.83 | |
| Black female | ????0.075 | ????0.075 | ????0.075 | ????0.075 | |||||
| Spices | Banksia rose essence | ????0.83 | ??0.71 | ????0.83 | ??0.71 | ????0.83 | ????0.71 | ????0.83 | ????0.71 |
Embodiment one
Take by weighing each component by prescription in the table 1, again by following production stage operation:
A, make dark sheet; Get the raw material of forming by the dark color prescription, resin, filler, stearic acid, DCP, banksia rose essence and pigment are put into milling machine carry out batch mixing and plasticizing, about 100 ℃ of controlled temperature, add AC and ZnO after 8 minutes, be warming up to about 110 ℃, continue plasticizing 2～3 minutes, again through plasticate, calendering procedure, it is stand-by to cut into slices;
B, make light sheet; Get the raw material of forming by the light color prescription, as above-mentioned processing condition through batch mixing, plasticate, calendering procedure, it is stand-by to cut into slices;
C, color matching; Get the raw material of forming by the light color prescription, as above-mentioned processing condition through batch mixing and plasticating, when it will slice through plasticating evenly, cut off sheet stock, transfer narrow rod tube gap, the dark sheet stock that makes in the steps A is wrapped in this light sheet stock of cutting off, the discharging after 3～4 times of plasticating from different directions, wherein the consumption of dark sheet stock is the sixth of light sheet stock consumption;
D, draw wood grain; The sheet stock for preparing look among the step C is pulled out grain pattern through calendering procedure, and it is stand-by to cut into slices;
E, the wood grain sheet stock that makes among the light sheet that makes among the step B and the step D is being guaranteed that the interval stacks under the consistent situation of lines trend, make simultaneously that the darker wood grain of color staggers mutually in the different wood grain sheet stocks, make dark, light wood grain collocation evenly as far as possible, amount to 2 wood grain sheets and 3 light sheets;
F, the above-mentioned sheet stock of folding is become tubular by the grain direction rolling-in;
G, according to die size in mould and drain into the tubular material that makes in the number volume step F, foamings under following temperature and pressure.
In the above-mentioned production stage, when making dark sheet, the roller gap of the operation of plasticating is 1.5～2mm; When plasticating the light color material among the step C, the roller gap is 6～10mm; When plasticating the light color material that has been surrounded by dark sheet stock among the step C, the roller gap is transferred narrow to 3～6mm; When grain pattern was drawn in calendering, the thickness of control wood grain sheet stock was 1.2～2mm among the step D; The temperature of step G foamed process is controlled to be 160 ℃～180 ℃, and air pressure is controlled to be 0.7～0.8MPa.
Product through above-mentioned explained hereafter detects its result such as following table through national footwear quality supervision and test center according to industry standard HG/T3086-1999:
Table 2 embodiment one performance test results
| Interventions Requested | Standard-required | Measured result | Conclusion |
| Hardness (A Si card C type) (degree) | ????≥40 | ????53 | Qualified |
| Compression set (%) | ????≤30 | ????23 | Qualified |
| Volume density (Mg/m 3) | ????≤0.3 | ????0.15 | Qualified |
| Subdue (ten thousand times do not split) | ????4 | Meet (40,000 times do not split) | Qualified |
| Visual appearance | Should meet the 4.3rd regulation of HG/T3086-19 99 standards | Meet | Qualified |
In addition, the grain pattern of product is clear, the transition nature, and the natural wood grain pattern that inner tool is true to nature, the transverse section also has the ring-type annual ring texture of natural timber.
Embodiment two
Take by weighing each component by prescription in the table 1, make product as step and condition among the embodiment one.
Product performance detected result such as following table:
Table 3 embodiment two performance test results
| Interventions Requested | Standard-required | Measured result | Conclusion |
| Hardness (A Si card C type) (degree) | ????≥40 | ????58 | Qualified |
| Compression set (%) | ????≤30 | ????20 | Qualified |
| Volume density (Mg/m 3) | ????≤0.3 | ????0.18 | Qualified |
| Subdue (ten thousand times do not split) | ????4 | Meet (40,000 times do not split) | Qualified |
| Visual appearance | Should meet the 4.3rd regulation of HG/T3086-19 99 standards | Meet | Qualified |
As seen from the above table, owing to of the increase of rigidity component resin PE consumption, the performances such as hardness of the finished product are increased in the present embodiment with respect to flexible composition resin EVA consumption.In addition, it is clear that product has grain pattern equally, the characteristics of transition nature, and the natural wood grain pattern that inner tool is true to nature, the transverse section has the ring-type annual ring texture of natural timber.
Embodiment three
Take by weighing each component by prescription in the table 1, make product as step and condition among the embodiment one.
Product performance detected result such as following table:
Table 4 embodiment three performance test results
| Interventions Requested | Standard-required | Measured result | Conclusion |
| Hardness (A Si card C type) (degree) | ????≥40 | ????47 | Qualified |
| Compression set (%) | ????≤30 | ????27 | Qualified |
| Volume density (Mg/m 3) | ????≤0.3 | ????0.12 | Qualified |
| Subdue (ten thousand times do not split) | ????4 | Meet (40,000 times do not split) | Qualified |
| Visual appearance | Should meet the 4.3rd regulation of HG/T3086-19 99 standards | Meet | Qualified |
As seen from the above table, because foaming agent consumption increases, the performances such as hardness of the finished product are descended to some extent in the present embodiment, product softer and.In addition, the grain pattern of product is clear, the transition nature, and inner also tool natural wood grain pattern true to nature, the transverse section also has the ring-type annual ring texture of natural timber.
Embodiment four
Take by weighing each component by prescription in the table 1, make product as step and condition among the embodiment one.
Product performance detected result such as following table:
Table 5 embodiment four performance test results
| Interventions Requested | Standard-required | Measured result | Conclusion |
| Hardness (A Si card C type) (degree) | ????≥40 | ????51 | Qualified |
| Compression set (%) | ????≤30 | ????24 | Qualified |
| Volume density (Mg/m 3) | ????≤0.3 | ????0.14 | Qualified |
| Subdue (ten thousand times do not split) | ????4 | Meet (40,000 times do not split) | Qualified |
| Visual appearance | Should meet the 4.3rd regulation of HG/T3086-19 99 standards | Meet | Qualified |
As seen from the above table, in the present embodiment since in dark color prescription rigidity component resin PE consumption with respect to flexible composition resin EVA large usage quantity, and rigidity component resin PE consumption is less with respect to flexible composition resin EVA consumption in the light color prescription, but because of light color material in product is in the great majority, thereby to the finished product generally speaking, comparatively soft.But because rigidity component resin content is higher in the dark color prescription, thereby its formed wood grain hardness is bigger, and therefore, the grain pattern of product is not only clear true to nature, and has the such sense of touch of natural wood texture significantly.
Claims (10)
1, a kind of method of making imitative natural wood grain foam material, it is a raw material with macromolecule resin and suitable adjuvants, raw material by a dark prescription and a light color prescription batching, is characterized in that production stage is as follows respectively:
A, make dark sheet; Promptly get the raw material of forming by the dark color prescription, successively through batch mixing, plasticate, calendering procedure, it is stand-by to cut into slices;
B, make light sheet; Promptly get the raw material of forming by the light color prescription, successively through batch mixing, plasticate, calendering procedure, it is stand-by to cut into slices;
C, color matching; Get the raw material of forming by the light color prescription, through batch mixing and plasticating, when it will slice through plasticating evenly, cut off sheet stock, transfer narrow rod tube gap, the dark sheet stock that makes in the steps A is wrapped in the light sheet stock that this step just cut off, the discharging after 3～4 times of plasticating from different directions, wherein the consumption of dark sheet stock is 1/3rd to 1/8th of a light sheet stock consumption;
D, draw wood grain; The sheet stock for preparing look among the step C is pulled out grain pattern through calendering procedure, and it is stand-by to cut into slices;
E, the wood grain sheet stock that makes among the light sheet that makes among the step B and the step D is being guaranteed that the interval stacks under the consistent situation of lines trend, sheet stock stacks number to be needed to decide on the back operation, make simultaneously that the darker wood grain of color staggers mutually in the different wood grain sheet stocks, make dark, light wood grain collocation evenly as far as possible;
F, the above-mentioned sheet stock of folding is rolled into tubular by grain direction;
G, according to die size in mould and drain into the tubular material that make in the number volume step F, in proper temperature and pressure lower frothing moulding.
2, the method for the imitative natural wood grain foam material of manufacturing according to claim 1 is characterized in that:
---the component and the prescription of the described raw material of forming by dark prescription are as follows:
The title mass fraction
EVA???????????????????????????????????????30～70
PE????????????????????????????????????????90～110
Dicumyl peroxide (DCP) 0.5～5
Cellmic C 121 (AC) 2～10
Zinc oxide (ZnO) 0.5～4
Stearic acid (St) 0.5～4
Iron oxide red powder 0.5～2
Iron oxide yellow powder 8～18
Black female 0.03～0.12
---the component and the prescription of the described raw material of forming by light color prescription are as follows:
The title mass fraction
EVA????????????????????????????????????????20～60
PE?????????????????????????????????????????90～110
Dicumyl peroxide (DCP) 0.5～5
Cellmic C 121 (AC) 2～10
Zinc oxide (ZnO) 0.5～4
Stearic acid (St) 0.5～4
Iron oxide red powder 0.01～0.05
Iron oxide yellow powder 0.1～1
3, the method for the imitative natural wood grain foam material of manufacturing according to claim 2 is characterized in that containing 15～30 parts of fine particle calcium carbonates, 40～60 parts of coarse whitings in the described dark prescription;
4, the method for the imitative natural wood grain foam material of manufacturing according to claim 2 is characterized in that containing 28～45 parts of fine particle calcium carbonates, 45～65 parts of coarse whitings in the described light color prescription;
5, the method for the imitative natural wood grain foam material of manufacturing according to claim 2 is characterized in that containing banksia rose essence at least in a prescription in described dark prescription and the light color prescription;
6, the method for the imitative natural wood grain foam material of manufacturing according to claim 5 is characterized in that the content of banksia rose essence in described dark prescription and the light color prescription is 0.5～1.5 part;
7, according to the method for claim 2 or the imitative natural wood grain foam material of 3 or 4 or 5 or 6 described manufacturings, it is characterized in that the temperature of batch mixing process is controlled at 100 ℃～110 ℃;
8, according to the method for the imitative natural wood grain foam material of claim 2 or 3 or 4 or 5 or 6 described manufacturings, when it is characterized in that making dark sheet, the roller gap of the operation of plasticating is 1.5～2mm; When plasticating the light color material among the step C, the roller gap is 6～10mm; When plasticating the light color material that has been surrounded by dark sheet stock among the step C, the roller gap is transferred narrow to 3～6mm;
9,, it is characterized in that among the step D that when grain pattern was drawn in calendering, the thickness of control wood grain sheet stock was 1.2～2mm according to the method for the imitative natural wood grain foam material of claim 2 or 3 or 4 or 5 or 6 described manufacturings;
10, according to the method for claim 2 or the imitative natural wood grain foam material of 3 or 4 or 5 or 6 described manufacturings, it is characterized in that the temperature of step G foamed process is controlled to be 160 ℃～180 ℃, air pressure is controlled to be 0.7～0.8MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021122113A CN1171940C (en) | 2002-06-24 | 2002-06-24 | Mehthod of making foamed material with artificial wood grains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021122113A CN1171940C (en) | 2002-06-24 | 2002-06-24 | Mehthod of making foamed material with artificial wood grains |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1389505A true CN1389505A (en) | 2003-01-08 |
| CN1171940C CN1171940C (en) | 2004-10-20 |
Family
ID=4741940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021122113A Expired - Fee Related CN1171940C (en) | 2002-06-24 | 2002-06-24 | Mehthod of making foamed material with artificial wood grains |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1171940C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101899186A (en) * | 2010-07-19 | 2010-12-01 | 东莞市普凯塑料科技有限公司 | Flowing master batch of PS plastic wood-imitation foaming section and preparation method thereof |
| CN102442036A (en) * | 2011-08-15 | 2012-05-09 | 漳州市国辉工贸有限公司 | Production method of composite decorative board with decorative patterns |
-
2002
- 2002-06-24 CN CNB021122113A patent/CN1171940C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101899186A (en) * | 2010-07-19 | 2010-12-01 | 东莞市普凯塑料科技有限公司 | Flowing master batch of PS plastic wood-imitation foaming section and preparation method thereof |
| CN102442036A (en) * | 2011-08-15 | 2012-05-09 | 漳州市国辉工贸有限公司 | Production method of composite decorative board with decorative patterns |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1171940C (en) | 2004-10-20 |
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