CN105086286A - Photosensitive PVC board and production method thereof - Google Patents
Photosensitive PVC board and production method thereof Download PDFInfo
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- CN105086286A CN105086286A CN201510566486.XA CN201510566486A CN105086286A CN 105086286 A CN105086286 A CN 105086286A CN 201510566486 A CN201510566486 A CN 201510566486A CN 105086286 A CN105086286 A CN 105086286A
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Abstract
The present invention discloses a photosensitive PVC board and a production method thereof. The PVC board comprises the following components by weight: 100 parts of a PVC powder, 15-25 parts of a PVC waste powder, 10-15 parts of calcium powder, 0.2-0.3 part of paraffin wax, 0.3-0.35 part of stearic acid, 1.0-1.5 parts of a stabilizer, 1.0-1.5 parts of CPE, 0.5-1.0 part of an ultraviolet absorber, and 1.0-1.5 parts of an accelerator. The method has the advantages that: pretreatment on pellets of PVC board not only realizes the pellet moisture control before grinding and screening, but also can remove small stones and other impurities, improve grinding efficiency, and ensure compliance with PVC powder production requirements; sufficient recycling of waste achieves energy conservation; the ultraviolet absorber and the accelerator added in the raw material not only can densify the board, but also can change color in the sunlight, so as to play a decorative role.
Description
Technical field
The invention belongs to board materials production processing technique field, particularly relate to a kind of PVC board and preparation method thereof.
Background technology
Along with socioeconomic continuous fast development, the demand of house decoration also sharp rises, and along with a large amount of consumption of timber, timber cannot be provided in a short time to be used for making more decorative wall panels, and the research therefore replacing wooden wallboard is brought into schedule.Current employing is more that PVC board substitutes wooden wallboard, cheap for manufacturing cost, can also prevent fires, moistureproof, safe and reliable, should be fitted up widely at house interior trim.The PVC board that existing market occurs and manufacture craft thereof imperfection, and have much room for improvement, such as cost aspect, the lumber recovery of PVC board is low, of poor quality; These more external large-scale public places, such as railway station square etc., not only requires that PVC board is durable in use, also requires that PVC board can decorated wall surface.
Summary of the invention
In order to overcome the defect of prior art, the object of the present invention is to provide a kind of photosensitivity PVC board, manufacture craft is easy, with low cost, and PVC board quality is good, durable in use, can play decoration function.
A kind of photosensitivity PVC board, wherein the weight content of each component is: PVC powder 100 parts, PVC give up powder 15 ~ 25 parts, calcium powder 10 ~ 15 parts, 0.2 ~ 0.3 part, paraffin, stearic acid 0.3 ~ 0.35 part, stablizer 1.0 ~ 1.5 parts, CPE1.0 ~ 1.5 part, UV light absorber 0.5 ~ 1.0 part, promotor 1.0 ~ 1.5 parts.
The present invention improves further, and the particle diameter of described PVC powder is 40 ~ 50 orders, and size distribution is reasonable, be conducive to the shaping of PVC board, and in conjunction with consolidation, roughness, the luminance brightness on PVC board surface is good, and intensity and the hardness of sheet material reach service requirements.
The present invention improves further, and the give up particle diameter of powder of described PVC is 40 ~ 50 orders.
The present invention improves further, described UV light absorber is 2-(2 '-hydroxyl-5 '-aminomethyl phenyl) benzotriazole, 2,4-dihydroxy benaophenonel, 2,2 '-dihydroxyl-4-methoxy benzophenone, 2,2 '-dihydroxyl-4-n-octyl benzophenone or 2-hydroxyl-4-n-octyl benzophenone.
The present invention improves further, and described promotor is the mixture of one or more in γ-(methacryloxypropyl) propyl trimethoxy silicane, γ-aminopropyl triethoxysilane and γ-glycidylpropyl Trimethoxy silane.
Present invention also offers a kind of making method of above-mentioned PVC board, specifically carry out according to the following steps:
Step S101 prepares PVC powder
1) particulate material pre-treatment: carry out pre-treatment to particulate material with custom-designed pre-processing device, obtains the water content of particulate material 1 ~ 3%, stone content≤0.01% in particulate material;
2) particulate material grinding screening: be transported in pulverizer by particulate material obtained above, through 2 ~ 3min grinding, obtaining size distribution is 40 ~ 50 object powders;
Step S102, according to photosensitivity PVC board component proportion, is rapidly heated to 130 ~ 140 DEG C, in sealed states, after stirrer mixing 30min, adds UV light absorber and promotor, until mix;
Step S103 mixes material and is quickly cooled to room temperature, pours feed bin into, then carries out screening once at upper sifting machine;
Step S104 mixes material by screw feeder material loading, and enter extruding machine, melting at 180 ~ 200 DEG C of temperature, shapes after extruding in stock mould, and stock mould temperature controls at 190 ~ 200 DEG C, and extruded velocity controls at 0.8 ~ 2.0m/min;
Step S105, through rolling press compacting, obtains photosensitivity PVC board;
Step S106 is sheared by shears, PVC board standardized product.
Compared with prior art, advantage is:
1), to the particulate material of PVC board carry out pre-treatment, not only realize the particulate material moisture controlled before to grinding screening, and can remove the foreign material such as handstone, the pretreating effect of particulate material is good, improves mill efficiency, ensures that PVC powder meets production production requirement;
2), method of the present invention, be connected in order, manufacture craft is simple, easy and simple to handle, recycles tankage fully, achieves energy-saving and emission-reduction, protection of the environment;
3), the inventive method produces the roughness on the PVC board surface obtained, luminance brightness is good, and surface continuously, thickness is even, the quality of sheet material is guaranteed, durable in use;
4), in the feed UV light absorber and promotor, not only closely knit sheet material is added, under solar radiation, can variable color, play the effect of decoration.
Embodiment
Below in conjunction with embodiment to the present invention's row detailed description further.
Embodiment 1
First embodiment of the present invention, in photosensitivity PVC board, the weight content of each component is: PVC powder 100 parts, PVC give up powder 20 parts, calcium powder 12 parts, 0.28 part, paraffin, stearic acid 0.32 part, stablizer 1.2 parts, CPE1.2 part, UV light absorber 1.0 parts, promotor 1.5 parts, wherein, described UV light absorber is 2-(2 '-hydroxyl-5 '-aminomethyl phenyl) benzotriazole.
Described promotor is the mixture of γ-(methacryloxypropyl) propyl trimethoxy silicane, γ-aminopropyl triethoxysilane and γ-glycidylpropyl Trimethoxy silane, and its proportioning is 1:1:1.5.
In order to be conducive to the shaping of PVC board, and in conjunction with consolidation, roughness, the luminance brightness on PVC board surface are good, and intensity and the hardness of sheet material reach service requirements, and the particle diameter of PVC powder is 50 orders, and size distribution is reasonable.In like manner, the give up particle diameter of powder of PVC is 50 orders.
Present invention also offers a kind of making method of above-mentioned PVC board, specifically carry out according to the following steps:
Step S101 prepares PVC powder
1) particulate material pre-treatment: carry out pre-treatment to particulate material with custom-designed pre-processing device, obtains the water content of particulate material 2.5%, stone content≤0.01% in particulate material;
2) particulate material grinding screening: be transported in pulverizer by particulate material obtained above, through 2 ~ 3min grinding, obtaining size distribution is 50 object powders;
Step S102, according to photosensitivity PVC board component proportion, is rapidly heated to 140 DEG C, in sealed states, after stirrer mixing 30min, adds UV light absorber and promotor, until mix;
Step S103 mixes material and is quickly cooled to room temperature, pours feed bin into, then carries out screening once at upper sifting machine;
Step S104 mixes material by screw feeder material loading, and enter extruding machine, melting at 200 DEG C of temperature, shapes after extruding in stock mould, and stock mould temperature controls at 200 DEG C, and extruded velocity controls at 0.8 ~ 2.0m/min;
Step S105, through rolling press compacting, obtains photosensitivity PVC board;
Step S106 is sheared by shears, PVC board standardized product.
Embodiment 2
In the second embodiment, in photosensitivity PVC board, the weight content of each component is: PVC powder 100 parts, PVC give up powder 25 parts, calcium powder 10 parts, 0.30 part, paraffin, stearic acid 0.30 part, stablizer 1.2 parts, CPE1.2 part, UV light absorber 0.8 part, promotor 1.2 parts, wherein, described UV light absorber is 2,4 dihydroxyl benzophenone.
Described promotor is the mixture of γ-(methacryloxypropyl) propyl trimethoxy silicane, γ-aminopropyl triethoxysilane and γ-glycidylpropyl Trimethoxy silane, and its proportioning is 1:1:1.
Embodiment 3
In the 3rd embodiment, in photosensitivity PVC board, the weight content of each component is: PVC powder 100 parts, PVC give up powder 20 parts, calcium powder 15 parts, 0.20 part, paraffin, stearic acid 0.35 part, stablizer 1.5 parts, CPE1.0 part, UV light absorber 1.0 parts, promotor 1.0 parts, wherein, described UV light absorber is 2,2 '-dihydroxyl-4-methoxy benzophenone.
Described promotor is the mixture of γ-(methacryloxypropyl) propyl trimethoxy silicane and γ-aminopropyl triethoxysilane, and its proportioning is 1:1.
Embodiment 4
In the 4th embodiment, in photosensitivity PVC board, the weight content of each component is: PVC powder 100 parts, PVC give up powder 25 parts, calcium powder 10 parts, 0.30 part, paraffin, stearic acid 0.30 part, stablizer 1.2 parts, CPE1.2 part, UV light absorber 0.8 part, promotor 1.2 parts, wherein, described UV light absorber is 2,2 '-dihydroxyl-4-n-octyl benzophenone.
Described promotor is γ-(methacryloxypropyl) propyl trimethoxy silicane.
Embodiment 5
In the 5th embodiment, in photosensitivity PVC board, the weight content of each component is: PVC powder 100 parts, PVC give up powder 25 parts, calcium powder 10 parts, 0.30 part, paraffin, stearic acid 0.30 part, stablizer 1.2 parts, CPE1.2 part, UV light absorber 0.8 part, promotor 1.2 parts, wherein, described UV light absorber is 2-hydroxyl-4-n-octyl benzophenone.
Described promotor is the mixture of γ-(methacryloxypropyl) propyl trimethoxy silicane and γ-glycidylpropyl Trimethoxy silane, and its proportioning is 1:1.5.
Embodiments of the invention are not limited only to above five embodiments.But the photosensitivity PVC board obtained by above five embodiments has best bright finish, and surfaceness is good, intensity and hardness high, meet the needs of modern decoration interior trim completely; In addition closely knit sheet material, under solar radiation, can variable color, play the effect of decoration.
Claims (9)
1. a photosensitivity PVC board, it is characterized in that, wherein the weight content of each component is: PVC powder 100 parts, PVC give up powder 15 ~ 25 parts, calcium powder 10 ~ 15 parts, 0.2 ~ 0.3 part, paraffin, stearic acid 0.3 ~ 0.35 part, stablizer 1.0 ~ 1.5 parts, CPE1.0 ~ 1.5 part, UV light absorber 0.5 ~ 1.0 part, promotor 1.0 ~ 1.5 parts.
2. photosensitivity PVC board according to claim 1, is characterized in that, the particle diameter of described PVC powder is 40 ~ 50 orders.
3. photosensitivity PVC board according to claim 1 and 2, is characterized in that, the give up particle diameter of powder of described PVC is 40 ~ 50 orders.
4. photosensitivity PVC board according to claim 1 and 2, it is characterized in that, described UV light absorber is 2-(2 '-hydroxyl-5 '-aminomethyl phenyl) benzotriazole, 2,4-dihydroxy benaophenonel, 2,2 '-dihydroxyl-4-methoxy benzophenone or 2,2 '-dihydroxyl-4-n-octyl benzophenone.
5. photosensitivity PVC board according to claim 3, is characterized in that, described UV light absorber is 2-(2 '-hydroxyl-5 '-aminomethyl phenyl) benzotriazole, 2,4 dihydroxyl benzophenone or 2,2 '-dihydroxyl-4-methoxy benzophenone.
6. the photosensitivity PVC board according to claim 1 or 2 or 5, it is characterized in that, described promotor is the mixture of one or more in γ-(methacryloxypropyl) propyl trimethoxy silicane, γ-aminopropyl triethoxysilane and γ-glycidylpropyl Trimethoxy silane.
7. photosensitivity PVC board according to claim 3, it is characterized in that, described promotor is the mixture of one or more in γ-(methacryloxypropyl) propyl trimethoxy silicane, γ-aminopropyl triethoxysilane and γ-glycidylpropyl Trimethoxy silane.
8. photosensitivity PVC board according to claim 4, it is characterized in that, described promotor is the mixture of one or more in γ-(methacryloxypropyl) propyl trimethoxy silicane, γ-aminopropyl triethoxysilane and γ-glycidylpropyl Trimethoxy silane.
9. a production method for photosensitivity PVC board, specifically carry out according to the following steps:
Step S101 prepares PVC powder
1) particulate material pre-treatment: carry out pre-treatment to particulate material with custom-designed pre-processing device, obtains the water content of particulate material 1 ~ 3%, stone content≤0.01% in particulate material;
2) particulate material grinding screening: be transported in pulverizer by particulate material obtained above, through 2 ~ 3min grinding, obtaining size distribution is 40 ~ 50 object powders;
Step S102, according to photosensitivity PVC board component proportion, is rapidly heated to 130 ~ 140 DEG C, in sealed states, after stirrer mixing 30min, adds UV light absorber and promotor, until mix;
Step S103 mixes material and is quickly cooled to room temperature, pours feed bin into, then carries out screening once at upper sifting machine;
Step S104 mixes material by screw feeder material loading, and enter extruding machine, melting at 180 ~ 200 DEG C of temperature, shapes after extruding in stock mould, and stock mould temperature controls at 190 ~ 200 DEG C, and extruded velocity controls at 0.8 ~ 2.0m/min;
Step S105, through rolling press compacting, obtains photosensitivity PVC board;
Step S106 is sheared by shears, PVC board standardized product.
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| CN201510566486.XA CN105086286A (en) | 2015-09-09 | 2015-09-09 | Photosensitive PVC board and production method thereof |
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| CN201510566486.XA CN105086286A (en) | 2015-09-09 | 2015-09-09 | Photosensitive PVC board and production method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437063A (en) * | 2016-08-27 | 2017-02-22 | 上海永知春节能科技有限公司 | Calcium core shingle and machining technology thereof |
| CN111168962A (en) * | 2019-12-31 | 2020-05-19 | 嘉兴市永庆嘉塑板业有限公司 | Production process of polyethylene plate |
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| CN102532739A (en) * | 2010-12-07 | 2012-07-04 | 安徽绿能技术研究院 | Process for preparing PVC (polyvinyl chloride) section material from waste PVC material |
| CN103146094A (en) * | 2011-12-07 | 2013-06-12 | 滁州格美特科技有限公司 | Modified plastic, and preparation method and application thereof |
| CN104277353A (en) * | 2013-07-11 | 2015-01-14 | 郎溪县恒通塑业有限公司 | Method for producing PVC pipe |
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| CN101497727A (en) * | 2009-03-04 | 2009-08-05 | 南亚塑胶工业股份有限公司 | PVC resin composition and product thereof |
| CN102532739A (en) * | 2010-12-07 | 2012-07-04 | 安徽绿能技术研究院 | Process for preparing PVC (polyvinyl chloride) section material from waste PVC material |
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| CN106437063A (en) * | 2016-08-27 | 2017-02-22 | 上海永知春节能科技有限公司 | Calcium core shingle and machining technology thereof |
| CN111168962A (en) * | 2019-12-31 | 2020-05-19 | 嘉兴市永庆嘉塑板业有限公司 | Production process of polyethylene plate |
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Application publication date: 20151125 |
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