CN111234408A - High-brightness paint-free plate with thickness of 15-18mm - Google Patents
High-brightness paint-free plate with thickness of 15-18mm Download PDFInfo
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- CN111234408A CN111234408A CN202010052453.4A CN202010052453A CN111234408A CN 111234408 A CN111234408 A CN 111234408A CN 202010052453 A CN202010052453 A CN 202010052453A CN 111234408 A CN111234408 A CN 111234408A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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Abstract
The invention discloses a high-brightness paint-free plate with the thickness of 15-18mm, and belongs to the technical field of polyvinyl chloride foamed plates. The foaming agent is composed of 75-80 parts of polyvinyl chloride SG8 type resin, 55-60 parts of heavy calcium carbonate, 30-40 parts of reclaimed materials, 3009-10 parts of foaming regulator, 3.5-3.8 parts of calcium-zinc stabilizer, 0.3-0.4 part of internal lubricant SP-600, 0.5-0.6 part of external lubricating PE wax, 0.3-0.4 part of high-temperature external lubricant AP, 60.3-0.4 part of plasticizer OA, 0.3-0.4 part of exothermic AC foaming agent, 1.3-1.4 parts of endothermic NS-603 foaming agent and 0.25 part of blue brightener. The invention can be used for producing high-brightness paint-free boards.
Description
Technical Field
The invention relates to a high-brightness paint-free plate with the thickness of 15-18mm, and belongs to the technical field of polyvinyl chloride foamed plates.
Background
In the prior art, the high brightness of the bright plate is basically realized by the UV paint, and the UV paint bright plate has the characteristics of nailing, chiseling and easy processing, so the application range is wide. However, the brightness of the UV paint bright plate is greatly influenced by the performance of the UV paint, the UV paint is easy to scratch and wear, meanwhile, the hardness and strength of the plate of the existing UV paint bright plate need to be improved, the forming shrinkage rate is large, and the production cost is relatively high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcomes the defects of the prior art and provides a high-brightness paint-free plate with the thickness of 15-18 mm.
The high-brightness paint-free plate with the thickness of 15-18mm is composed of the following raw materials in parts by weight:
75-80 parts of polyvinyl chloride SG8 type resin, 55-60 parts of heavy calcium carbonate, 30-40 parts of reclaimed materials, 3009-10 parts of foaming regulator, 3.5-3.8 parts of calcium-zinc stabilizer, 600.3-0.4 part of internal lubricant SP, 0.5-0.6 part of external lubricating PE wax, 0.3-0.4 part of high-temperature external lubricant AP, 60.3-0.4 part of plasticizer OA, 0.3-0.4 part of exothermic AC foaming agent, 1.3-1.4 parts of endothermic NS-603 foaming agent and 0.25 part of blue brightener.
The high-brightness paint-free plate with the thickness of 15-18mm is composed of the following raw materials in parts by weight:
78 parts of polyvinyl chloride SG8 type resin, 58 parts of heavy calcium carbonate, 35 parts of reclaimed materials, 3009.5 parts of foaming regulator, 3.6 parts of calcium-zinc stabilizer, 0.55 part of external lubricating PE wax, 0.35 part of high-temperature external lubricating agent AP, 60.35 parts of plasticizer OA, 0.35 part of exothermic AC foaming agent, 1.35 parts of endothermic NS-603 foaming agent and 0.25 part of blue brightener.
The invention increases the consumption of the external lubricant, which is beneficial to improving the brightness of the plate.
Preferably, the center of the plate is provided with a metal sheet in a wavy line shape.
Preferably, the vertical distance from the wave crest to the wave trough of the metal sheet is 6-8 mm.
Preferably, the width of the metal sheet is 8-12 mm.
Preferably, the distance between two adjacent said metal sheets is 13-17 times the width of the metal sheets.
According to the invention, the metal sheet in the wave line shape is arranged in the center of the plate, the width of the metal sheet and the distance between the two metal sheets are limited, so that the toughness, hardness and weather resistance of the plate can be greatly improved, and the increase of the production cost of the plate can be effectively avoided. By limiting the vertical distance from the wave crest to the wave trough of the metal sheet, the post-processing procedures of embossing, carving and the like of the plate are not influenced.
The preparation method of the high-brightness paint-free plate with the thickness of 15-18mm comprises the following steps: the raw materials are cooled and conveyed to an extruder with the temperature of 175-180 ℃, are well plasticized by heating through eight sections of double screws of a charging barrel and are conveyed to a die with a die opening of 1.7-1.9mm and the temperature of 165-175 ℃, are extruded out of a die lip, are cooled and pressed qualitatively by a shaping table, and are emigrated by a tractor to be cut and molded to obtain a finished product.
Preferably, the temperature of the cooling water in the shaping table is 18-20 ℃.
The external lubricant is nonpolar and can be completely melted into PVC molecules at high temperature, but can be separated out on the surface when the temperature is reduced to the melting point, so that the invention adopts higher processing temperature at an extruder and a die, but adopts water with the temperature of 18-20 ℃ for instant cooling at a die lip, and changes the opening of a die orifice from the conventional 1.9-2.2mm to 1.7-1.9mm, so that the cooling water can be fully contacted with an extruded material and generate certain pressure, and the external lubricant can be separated out on the surface instantly to form a surface with a fine and smooth mirror surface. The product of the invention has obviously increased surface hardness and brightness of the board surface, better flame retardance and weather resistance, improved thermal deformation temperature of the board and reduced molding shrinkage.
Compared with the prior art, the invention has the beneficial effects that:
the high-brightness paint-free plate does not contain lead, is non-toxic, benzene-free and formaldehyde-free, and is high in brightness and free of UV paint by improving the traditional formula and process and matching a high-lubrication system with a production process. According to the invention, the wavy metal sheet is arranged in the center of the plate, so that the surface hardness and toughness of the plate are greatly improved, the flame retardance and weather resistance of the plate are greatly improved, the thermal deformation temperature of the plate is also improved, and the molding shrinkage rate is reduced.
Drawings
FIG. 1 is a cross-sectional view of a sheet of material and metal of the present invention;
FIG. 2 is a schematic structural view of the sheet material and metal sheets of the present invention;
wherein, 1, a plate material; 2. a metal sheet.
Detailed Description
The present invention will be further described with reference to the following specific examples.
Example 1
The high-brightness paint-free plate with the thickness of 15-18mm is composed of the following raw materials in parts by weight:
75 parts of polyvinyl chloride SG8 type resin, 55 parts of triple superphosphate, 30 parts of reclaimed materials, 3009 parts of foaming regulator, 3.5 parts of calcium-zinc stabilizer, 0.5 part of internal lubricant SP-600.3 parts of external lubricating PE wax, 0.3 part of high-temperature external lubricant AP, 60.3 parts of plasticizer OA, 0.3 part of exothermic AC foaming agent, 1.3 parts of endothermic NS-603 foaming agent and 0.25 part of blue brightener.
The high-brightness paint-free plate with the thickness of 15-18mm is characterized in that a metal sheet 2 with the width of 8-12mm and a wavy shape is arranged in the center of the plate 1, the vertical distance from the wave crest to the wave trough of the metal sheet 2 is 6mm, and the distance between two adjacent metal sheets 2 is 13 times of the width of the metal sheet 2.
The preparation method of the high-brightness paint-free plate with the thickness of 15-18mm comprises the following steps: the raw materials are cooled and conveyed to an extruder with the temperature of 175 ℃ after being subjected to hot mixing, are well plasticized by heating through eight sections of double screws of a charging barrel, are conveyed to a die with a die opening of 1.7mm and the temperature of 165 ℃ to extrude out a die lip, are cooled and pressed in a sizing table with the water temperature of 18 ℃, and are extruded out by a tractor to be cut and molded to obtain a finished product.
Example 2
The high-brightness paint-free plate with the thickness of 15-18mm is composed of the following raw materials in parts by weight:
78 parts of polyvinyl chloride SG8 type resin, 58 parts of heavy calcium carbonate, 35 parts of reclaimed materials, 3009.5 parts of foaming regulator, 3.6 parts of calcium-zinc stabilizer, 0.55 part of external lubricating PE wax, 0.35 part of high-temperature external lubricating agent AP, 60.35 parts of plasticizer OA, 0.35 part of exothermic AC foaming agent, 1.35 parts of endothermic NS-603 foaming agent and 0.25 part of blue brightener.
The high-brightness paint-free plate with the thickness of 15-18mm is characterized in that a metal sheet 2 with the width of 10mm and a wavy shape is arranged in the center of the plate 1, the vertical distance from the wave crest to the wave trough of the metal sheet 2 is 7mm, and the distance between two adjacent metal sheets 2 is 15 times of the width of the metal sheet 2.
The preparation method of the high-brightness paint-free plate with the thickness of 15-18mm comprises the following steps: the raw materials are cooled and conveyed to an extruder with the temperature of 178 ℃ after being hot mixed, are well plasticized by heating through eight sections of double screws of a charging barrel, are conveyed to a die with a die opening of 1.8mm and the temperature of 170 ℃ to extrude out a die lip, are cooled and pressed in a sizing table with the water temperature of 19 ℃, and are extruded out by a tractor to be cut and molded to obtain a finished product.
Example 3
The high-brightness paint-free plate with the thickness of 15-18mm is composed of the following raw materials in parts by weight:
80 parts of polyvinyl chloride SG8 type resin, 60 parts of heavy calcium carbonate, 40 parts of reclaimed materials, 30010 parts of foaming regulator, 3.8 parts of calcium-zinc stabilizer, 0.6 part of internal lubricant SP-600.4 part of external lubricating PE wax, 0.4 part of high-temperature external lubricant AP, 60.4 parts of plasticizer OA, 0.4 part of exothermic AC foaming agent, 1.4 parts of endothermic NS-603 foaming agent and 0.25 part of blue brightener.
The high-brightness paint-free plate with the thickness of 15-18mm is characterized in that a metal sheet 2 with the width of 12mm and a wavy shape is arranged in the center of the plate 1, the vertical distance from the wave crest to the wave trough of the metal sheet 2 is 8mm, and the distance between two adjacent metal sheets 2 is 17 times of the width of the metal sheet 2.
The preparation method of the high-brightness paint-free plate with the thickness of 15-18mm comprises the following steps: the raw materials are cooled and conveyed to an extruder with the temperature of 180 ℃ after being hot mixed, are well plasticized by heating through eight sections of double screws of a charging barrel, are conveyed to a die with a die opening of 1.9mm and the temperature of 175 ℃ to extrude out a die lip, are cooled and pressed in a sizing table with the water temperature of 20 ℃, and are extruded out by a tractor to be cut and molded to obtain a finished product.
Example 4
The high-brightness paint-free plate with the thickness of 15-18mm is composed of the following raw materials in parts by weight:
777 parts of polyvinyl chloride SG8 type resin, 56 parts of heavy calcium carbonate, 38 parts of reclaimed materials, 3009.9 parts of foaming regulator, 3.7 parts of calcium-zinc stabilizer, 0.53 part of internal lubricant SP-600.33 part of external lubricating PE wax, 0.3 part of high-temperature external lubricant AP, 60.4 parts of plasticizer OA, 0.33 part of exothermic AC foaming agent, 1.38 parts of endothermic NS-603 foaming agent and 0.25 part of blue brightener.
The high-brightness paint-free plate with the thickness of 15-18mm is characterized in that a metal sheet 2 with the width of 11mm and a wavy shape is arranged in the center of the plate 1, the vertical distance from the wave crest to the wave trough of the metal sheet 2 is 6.5mm, and the distance between two adjacent metal sheets 2 is 14 times of the width of the metal sheet 2.
The preparation method of the high-brightness paint-free plate with the thickness of 15-18mm comprises the following steps: the raw materials are cooled and conveyed to an extruder with the temperature of 177 ℃ after being subjected to hot mixing, the raw materials are well plasticized by heating of eight sections of double screws of a charging barrel and conveyed to a die with a die opening of 1.75mm and the temperature of 168 ℃ to extrude out a die lip, the raw materials are cooled, pressed and qualified by a shaping table with the water temperature of 18-20 ℃, and then are discharged by a tractor to be cut and molded to obtain a finished product.
The products of examples 1-4 and the conventional formulations were tested for performance and the specific results are given in the following table:
| surface hardness D | Surface smoothness | Surface brightness | UV performance | Vicat temperature C | Toughness of | Molding shrinkage ratio | |
| Traditional formula | 55 | Frosted surface | 90 | UV | 68 | 18 | 2.2％ |
| Example 1 | 77 | Mirror surface | 95.8 | UV-free | 85 | 22 | 0.82％ |
| Example 2 | 76 | Mirror surface | 95.5 | UV-free | 86 | 22 | 0.81％ |
| Example 3 | 75 | Mirror surface | 95.6 | UV-free | 86 | 22 | 0.83％ |
| Example 4 | 76 | Mirror surface | 95.8 | UV-free | 85 | 22 | 0.82％ |
As can be seen from the above table, the hardness of the invention is obviously improved, the surface Shore hardness reaches more than 75D, the surface brightness is high, the invention is a mirror surface, UV paint is avoided, the Vicat temperature reaches more than 85 ℃, the toughness is greatly increased, the molding shrinkage rate is greatly reduced, and various performances of the product of the invention are superior to those of the traditional product.
Claims (8)
1. A high-brightness paint-free plate with the thickness of 15-18mm is characterized by comprising the following raw materials in parts by weight:
75-80 parts of polyvinyl chloride SG8 type resin, 55-60 parts of heavy calcium carbonate, 30-40 parts of reclaimed materials, 3009-10 parts of foaming regulator, 3.5-3.8 parts of calcium-zinc stabilizer, 600.3-0.4 part of internal lubricant SP, 0.5-0.6 part of external lubricating PE wax, 0.3-0.4 part of high-temperature external lubricant AP, 60.3-0.4 part of plasticizer OA, 0.3-0.4 part of exothermic AC foaming agent, 1.3-1.4 parts of endothermic NS-603 foaming agent and 0.25 part of blue brightener.
2. The high-brightness paint-free plate with the thickness of 15-18mm as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight:
78 parts of polyvinyl chloride SG8 type resin, 58 parts of heavy calcium carbonate, 35 parts of reclaimed materials, 3009.5 parts of foaming regulator, 3.6 parts of calcium-zinc stabilizer, 0.55 part of external lubricating PE wax, 0.35 part of high-temperature external lubricating agent AP, 60.35 parts of plasticizer OA, 0.35 part of exothermic AC foaming agent, 1.35 parts of endothermic NS-603 foaming agent and 0.25 part of blue brightener.
3. A high brightness paint-free panel with a thickness of 15-18mm according to claim 1 or 2, wherein: the center of the plate is provided with a metal sheet in a wave line shape.
4. A high brightness paint-free panel having a thickness of 15-18mm as claimed in claim 3, wherein: the vertical distance from the wave crest to the wave trough of the metal sheet is 6-8 mm.
5. A high brightness paint free panel as claimed in claim 4 having a thickness of 15-18mm, wherein: the width of the metal sheet is 8-12 mm.
6. A high brightness paint free panel as claimed in claim 5 having a thickness of 15-18mm, wherein: the distance between two adjacent metal sheets is 13-17 times the width of the metal sheets.
7. A preparation method of a high-brightness paint-free plate with the thickness of 15-18mm is characterized by comprising the following steps: the raw materials are cooled and conveyed to an extruder with the temperature of 175-180 ℃, are well plasticized by heating through eight sections of double screws of a charging barrel and are conveyed to a die with a die opening of 1.7-1.9mm and the temperature of 165-175 ℃, are extruded out of a die lip, are cooled and pressed qualitatively by a shaping table, and are emigrated by a tractor to be cut and molded to obtain a finished product.
8. The method for preparing a high brightness paint-free plate with a thickness of 15-18mm as claimed in claim 7, wherein: the temperature of cooling water in the shaping table is 18-20 ℃.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010052453.4A CN111234408A (en) | 2020-01-17 | 2020-01-17 | High-brightness paint-free plate with thickness of 15-18mm |
| PCT/CN2020/135657 WO2021143408A1 (en) | 2020-01-17 | 2020-12-11 | High-brightness paint-free board having thickness of 15-18 mm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010052453.4A CN111234408A (en) | 2020-01-17 | 2020-01-17 | High-brightness paint-free plate with thickness of 15-18mm |
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| CN111234408A true CN111234408A (en) | 2020-06-05 |
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| CN202010052453.4A Pending CN111234408A (en) | 2020-01-17 | 2020-01-17 | High-brightness paint-free plate with thickness of 15-18mm |
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| WO (1) | WO2021143408A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021143408A1 (en) * | 2020-01-17 | 2021-07-22 | 山东汇丰新材料科技股份有限公司 | High-brightness paint-free board having thickness of 15-18 mm |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135124A (en) * | 2018-08-27 | 2019-01-04 | 山东汇丰木塑型材股份有限公司 | Low-density advertising board and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1129525C (en) * | 2000-06-27 | 2003-12-03 | 后东机械有限公司 | Multi-purpose composite plate |
| US20110204543A1 (en) * | 2008-10-31 | 2011-08-25 | Tessenderlo Chemie N.V./S.A. | Method for the preparation of pre-reinforced and reinforced PVC polymers and devices thereof |
| CN105061941B (en) * | 2014-03-21 | 2017-09-12 | 浙江天振竹木开发有限公司 | A kind of method for making floor |
| CN104893156B (en) * | 2015-06-08 | 2017-10-03 | 山东汇丰木塑型材股份有限公司 | Thickness is 6 17mm foam polyvinyl chloride billboard and preparation method thereof |
| CN104893157B (en) * | 2015-06-08 | 2017-10-10 | 山东汇丰木塑型材股份有限公司 | Thickness is 9 18mm polyvinyl chloride foam Furniture panels |
| CN108384156B (en) * | 2018-04-09 | 2020-02-28 | 山东汇丰新材料科技股份有限公司 | Polyvinyl chloride co-extrusion foaming furniture board and preparation method thereof |
| CN109161132A (en) * | 2018-08-17 | 2019-01-08 | 山东汇丰木塑型材股份有限公司 | Polyvinyl chloride automobile interior trimming panel and preparation method thereof |
| CN111234408A (en) * | 2020-01-17 | 2020-06-05 | 山东汇丰新材料科技股份有限公司 | High-brightness paint-free plate with thickness of 15-18mm |
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2020
- 2020-01-17 CN CN202010052453.4A patent/CN111234408A/en active Pending
- 2020-12-11 WO PCT/CN2020/135657 patent/WO2021143408A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135124A (en) * | 2018-08-27 | 2019-01-04 | 山东汇丰木塑型材股份有限公司 | Low-density advertising board and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 高飞等: "《建筑材料检测与应用》", 31 March 2013, 武汉大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021143408A1 (en) * | 2020-01-17 | 2021-07-22 | 山东汇丰新材料科技股份有限公司 | High-brightness paint-free board having thickness of 15-18 mm |
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| WO2021143408A1 (en) | 2021-07-22 |
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Application publication date: 20200605 |