CN110733184A - resin board production and preparation method - Google Patents

resin board production and preparation method Download PDF

Info

Publication number
CN110733184A
CN110733184A CN201911001243.6A CN201911001243A CN110733184A CN 110733184 A CN110733184 A CN 110733184A CN 201911001243 A CN201911001243 A CN 201911001243A CN 110733184 A CN110733184 A CN 110733184A
Authority
CN
China
Prior art keywords
roller
raw materials
resin
stabilizer
central axis
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.)
Pending
Application number
CN201911001243.6A
Other languages
Chinese (zh)
Inventor
李海平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Ruibo New Materials Co Ltd
Original Assignee
Guangzhou Ruibo New Materials Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Ruibo New Materials Co Ltd filed Critical Guangzhou Ruibo New Materials Co Ltd
Priority to CN201911001243.6A priority Critical patent/CN110733184A/en
Publication of CN110733184A publication Critical patent/CN110733184A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/002—Combinations of extrusion moulding with other shaping operations combined with surface shaping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/005—Surface shaping of articles, e.g. embossing; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions 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; Compositions of derivatives of such polymers
    • C08L27/02—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C2059/027—Grinding; Polishing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/002—Panels; Plates; Sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The production and preparation method of the resin plate comprises the steps of blending powdery raw materials according to a proportion determined by , mixing the blended powdery raw materials, plasticizing the mixed powdery raw materials, inputting the molten raw materials into a forming die for extrusion forming to obtain a sheet material, inputting the sheet material into a calender, performing calender processing by the sheet material which is attached to the calender to perform S-shaped movement to obtain the resin plate, and performing antibacterial treatment on the resin plate.

Description

resin board production and preparation method
Technical Field
The invention relates to the field of resin boards, in particular to a production and preparation method of resin boards.
Background
The medical building has high requirements on the antibacterial, pollution-resistant and impact-resistant properties of the interior wall facing material, has special requirements on the construction speed of the interior wall facing and the flatness, safety and reliability of the installation of the facing board, the independent disassembly of the facing board and the like, although the resin board is widely applied to decoration, the impact resistance and other aspects of the currently produced resin board are still required to be improved.
Disclosure of Invention
The invention aims to provide methods for producing resin plates with better antibacterial, anti-pollution and anti-impact effects.
The production and preparation method of the resin plate comprises the following steps:
step 1, blending powdery raw materials according to a certain proportion of ;
step 2: mixing the blended powdery raw materials;
and step 3: plasticizing the mixed powdery raw materials to obtain molten raw materials;
and 4, step 4: inputting the molten raw materials into a forming die for extrusion forming to obtain a sheet;
and 5: inputting the sheet into a calender, and calendering the sheet by winding the sheet around the calender to obtain a resin board;
the powdery raw materials in the step 1 comprise a toner, a polyvinyl chloride resin, a plasticizer, a stabilizer and a calcium silicate powder, wherein the stabilizer comprises of calcium-zinc monomer stabilizer, calcium-zinc composite stabilizer, lead salt monomer stabilizer, lead salt composite stabilizer or a combination thereof, the plasticizer comprises of epoxidized soybean oil, dioctyl phthalate, diisononyl phthalate, dioctyl terephthalate or a combination thereof, the resin layer further comprises an auxiliary agent, the auxiliary agent comprises acrylate copolymer, methyl methacrylate-butadiene-styrene copolymer, of chlorinated polyethylene or a combination thereof, the resin layer further comprises a lubricant, and the lubricant comprises stearic acid, of polyethylene wax or a combination thereof.
The step 5 specifically comprises inputting the sheet material between the second roller and the third roller, outgoing from between the th roller and the second roller around the second roller, and outputting from the tangent direction of the 0 th roller around the th roller, wherein the calender comprises a th roller, a second roller and a third roller, the radius of the th roller, the radius of the second roller and the radius of the third roller are the same, the central axis of the th roller, the central axis of the second roller and the central axis of the third roller are positioned on the same vertical plane and are parallel to each other in pairs, the distance between the central axis of the th roller and the central axis of the second roller is equal to the distance between the central axis of the second roller and the central axis of the third roller, the rotation direction of the th roller is opposite to the rotation direction of the second roller, the rotation direction of the second roller is opposite to the rotation direction of the third roller, and the distance between the central axis of the th roller and the central axis of the second roller is larger than the diameter of the third roller .
As a preferred embodiment, the mixing in step 2 includes a hot mixing process and a cold mixing process, wherein the hot mixing process includes adding a plasticizer when raw materials including the toner, the polyvinyl chloride resin, the stabilizer and the calcium silicate powder are stirred to 85 ℃ and stirring to 120 ℃; the cold mixing process includes reducing the temperature of the raw materials from 120 ℃ to 45 ℃.
As a preferred embodiment, the surface of said th, second or third stick is engraved with a relief.
As a preferred embodiment, the step 2 includes: the method comprises the following steps of feeding raw materials into a conical double screw, wherein the conical double screw comprises a feeding section, a melting section, a homogenizing section, a plasticizing section and an extruding section, the blended powdery raw materials are tightly engaged at a high speed and rotate in different directions through the double screw, and then the blended powdery raw materials are subjected to shearing plasticizing, dehydration exhausting and pressurization, and then are mixed and extruded.
As a preferred embodiment, the resin board production manufacturing method further includes step 6: and performing anti-fouling and antibacterial treatment on the surface of the resin plate.
The present invention also provides resin boards produced by the method of any of the above examples, the surfaces of which have a three-dimensional pattern or a planar pattern.
Compared with the prior art, the production and preparation method of the resin plate has the beneficial technical effects that the powdery raw materials are blended according to the proportion of , the blended powdery raw materials are mixed, the mixed powdery raw materials are plasticized, the molten raw materials are input into a forming die to be extruded and formed to obtain a sheet, the sheet is input into a calender, the sheet is wound around the calender to carry out S-shaped movement for calendering treatment to obtain the resin plate, and the resin plate is subjected to antibacterial treatment.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
The production and preparation method of the resin plate comprises the following steps:
step 1, blending powdery raw materials according to a certain proportion of ;
step 2: mixing the blended powdery raw materials;
and step 3: plasticizing the mixed powdery raw materials to obtain molten raw materials;
and 4, step 4: inputting the molten raw materials into a forming die for extrusion forming to obtain a sheet;
and 5: inputting the sheet into a calender, and calendering the sheet by winding the sheet around the calender to obtain a resin board;
the powdery raw materials in the step 1 comprise a toner, a polyvinyl chloride resin, a plasticizer, a stabilizer and a calcium silicate powder, wherein the stabilizer comprises of calcium-zinc monomer stabilizer, calcium-zinc composite stabilizer, lead salt monomer stabilizer, lead salt composite stabilizer or a combination thereof, the plasticizer comprises of epoxidized soybean oil, dioctyl phthalate, diisononyl phthalate, dioctyl terephthalate or a combination thereof, the resin layer further comprises an auxiliary agent, the auxiliary agent comprises acrylate copolymer, methyl methacrylate-butadiene-styrene copolymer, of chlorinated polyethylene or a combination thereof, the resin layer further comprises a lubricant, and the lubricant comprises stearic acid, of polyethylene wax or a combination thereof.
The step 5 specifically comprises inputting the sheet material between the second roller and the third roller, outgoing from between the th roller and the second roller around the second roller, and outputting from the tangent direction of the 0 th roller around the th roller, wherein the calender comprises a th roller, a second roller and a third roller, the radius of the th roller, the radius of the second roller and the radius of the third roller are the same, the central axis of the th roller, the central axis of the second roller and the central axis of the third roller are positioned on the same vertical plane and are parallel to each other in pairs, the distance between the central axis of the th roller and the central axis of the second roller is equal to the distance between the central axis of the second roller and the central axis of the third roller, the rotation direction of the th roller is opposite to the rotation direction of the second roller, the rotation direction of the second roller is opposite to the rotation direction of the third roller, and the distance between the central axis of the th roller and the central axis of the second roller is larger than the diameter of the third roller .
As a preferred embodiment, the mixing in step 2 includes a hot mixing process and a cold mixing process, wherein the hot mixing process includes adding a plasticizer when raw materials including the toner, the polyvinyl chloride resin, the stabilizer and the calcium silicate powder are stirred to 85 ℃ and stirring to 120 ℃; the cold mixing process includes reducing the temperature of the raw materials from 120 ℃ to 45 ℃.
As a preferred embodiment, the surface of said th, second or third stick is engraved with a relief.
As a preferred embodiment, the step 2 includes: the method comprises the following steps of feeding raw materials into a conical double screw, wherein the conical double screw comprises a feeding section, a melting section, a homogenizing section, a plasticizing section and an extruding section, the blended powdery raw materials are tightly engaged at a high speed and rotate in different directions through the double screw, and then the blended powdery raw materials are subjected to shearing plasticizing, dehydration exhausting and pressurization, and then are mixed and extruded.
As a preferred embodiment, the production and preparation method of the resin plate further comprises a step 6 of subjecting the surface of the resin plate to anti-fouling and antibacterial treatment, so that layers of physical protective layers are added on the surface of the resin plate, and the anti-fouling and antibacterial properties of the resin plate are improved in physical properties.
The present invention also provides resin boards produced by the method of any of the above examples, the surfaces of which have a three-dimensional pattern or a planar pattern.
The above-mentioned embodiments are only used for understanding the technical solutions of the present invention, and should not be construed as limiting the scope of the present invention. It should be noted that variations to those skilled in the art may be made without departing from the spirit of the invention, and these are within the scope of the invention.

Claims (7)

  1. The production and preparation method of the resin plates is characterized by comprising the following steps:
    step 1, blending powdery raw materials according to a certain proportion of ;
    step 2: mixing the blended powdery raw materials;
    and step 3: plasticizing the mixed powdery raw materials to obtain molten raw materials;
    and 4, step 4: inputting the molten raw materials into a forming die for extrusion forming to obtain a sheet;
    and 5: inputting the sheet into a calender, and calendering the sheet by winding the sheet around the calender to obtain a resin board;
    the powdery raw materials in the step 1 comprise a toner, a polyvinyl chloride resin, a plasticizer, a stabilizer and a calcium silicate powder, wherein the stabilizer comprises of calcium-zinc monomer stabilizer, calcium-zinc composite stabilizer, lead salt monomer stabilizer, lead salt composite stabilizer or a combination thereof, the plasticizer comprises epoxidized soybean oil, dioctyl phthalate, diisononyl phthalate, of dioctyl terephthalate or a combination thereof, the resin layer further comprises an auxiliary agent, the auxiliary agent comprises an acrylate copolymer, a methyl methacrylate-butadiene-styrene copolymer, of chlorinated polyethylene or a combination thereof, the resin layer further comprises a lubricant, and the lubricant comprises stearic acid, polyethylene wax or a combination thereof.
  2. 2. The method of claim 1, wherein the step 5 comprises feeding the sheet material between the second and third rollers, feeding the sheet material around the second roller from between and the second roller, and feeding the sheet material around from a tangent of , wherein the calender comprises , second and third rollers, the radius of , second roller and third roller are the same, the central axis of , second roller and third roller are on a plane perpendicular to and parallel to each other, the distance between the central axis of and second roller is equal to the distance between the central axis of second roller and third roller, the rotation direction of is opposite to the rotation direction of the second roller, the rotation direction of second roller is opposite to the rotation direction of third roller, and the distance between the central axis of and second roller and the central axis of second roller is greater than the diameter of .
  3. 3. The production and preparation method of the resin plate as claimed in claim 2, wherein the mixing in the step 2 comprises a hot mixing process and a cold mixing process, wherein the hot mixing process comprises adding the plasticizer when the raw materials comprising the toner, the polyvinyl chloride resin, the stabilizer and the calcium silicate powder are stirred to 85 ℃ and stirring to 120 ℃; the cold mixing process includes reducing the temperature of the raw materials from 120 ℃ to 45 ℃.
  4. 4. The method for producing a resin plate as claimed in claim 3, wherein the th roller, the second roller or the third roller has a relief engraved on its surface.
  5. 5. The production method for resin plate according to claim 4, wherein the step 2 comprises: the method comprises the following steps of feeding raw materials into a conical double screw, wherein the conical double screw comprises a feeding section, a melting section, a homogenizing section, a plasticizing section and an extruding section, the blended powdery raw materials are tightly engaged at a high speed and rotate in different directions through the double screw, and then the blended powdery raw materials are subjected to shearing plasticizing, dehydration exhausting and pressurization, and then are mixed and extruded.
  6. 6. The production method for resin plate according to claim 5, further comprising step 6: and (3) performing antibacterial and anti-fouling treatment on the surface of the resin plate.
  7. 7, kinds of resin boards produced by the method of any of claims 1-6 or , wherein the surface of the resin board has a three-dimensional pattern or a planar pattern.
CN201911001243.6A 2019-10-21 2019-10-21 resin board production and preparation method Pending CN110733184A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911001243.6A CN110733184A (en) 2019-10-21 2019-10-21 resin board production and preparation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911001243.6A CN110733184A (en) 2019-10-21 2019-10-21 resin board production and preparation method

Publications (1)

Publication Number Publication Date
CN110733184A true CN110733184A (en) 2020-01-31

Family

ID=69270640

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911001243.6A Pending CN110733184A (en) 2019-10-21 2019-10-21 resin board production and preparation method

Country Status (1)

Country Link
CN (1) CN110733184A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07137124A (en) * 1993-06-04 1995-05-30 Battenfeld Gmbh Method and device for producing laminated synthetic resin molded article
CN102343675A (en) * 2011-07-20 2012-02-08 苏州奥美材料科技有限公司 Light guide plate processing machine and light guide plate production technology
CN202412561U (en) * 2011-12-04 2012-09-05 山东金天成塑料制品有限公司 Three-roll calender
CN103289235A (en) * 2013-06-08 2013-09-11 广东华声电器股份有限公司 PVC (polyvinyl chloride) colorful coextruded material and application thereof
CN108084611A (en) * 2018-01-23 2018-05-29 合肥伊只门窗有限公司 A kind of PVC wood plastic door-plate of moisture-proof anticracking and preparation method thereof
US20190062543A1 (en) * 2017-08-24 2019-02-28 Shin-Etsu Chemical Co., Ltd. Polyvinyl chloride-based rigid molded products and method for manufacturing the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07137124A (en) * 1993-06-04 1995-05-30 Battenfeld Gmbh Method and device for producing laminated synthetic resin molded article
CN102343675A (en) * 2011-07-20 2012-02-08 苏州奥美材料科技有限公司 Light guide plate processing machine and light guide plate production technology
CN202412561U (en) * 2011-12-04 2012-09-05 山东金天成塑料制品有限公司 Three-roll calender
CN103289235A (en) * 2013-06-08 2013-09-11 广东华声电器股份有限公司 PVC (polyvinyl chloride) colorful coextruded material and application thereof
US20190062543A1 (en) * 2017-08-24 2019-02-28 Shin-Etsu Chemical Co., Ltd. Polyvinyl chloride-based rigid molded products and method for manufacturing the same
CN108084611A (en) * 2018-01-23 2018-05-29 合肥伊只门窗有限公司 A kind of PVC wood plastic door-plate of moisture-proof anticracking and preparation method thereof

Similar Documents

Publication Publication Date Title
US10272592B2 (en) Ceramic support structure
CN102731933B (en) Low shrinkage flame retardation PVC protective layer material used for indoor optical cable and its preparation method
CN105255047B (en) A kind of minus 50 DEG C of super cold resistant low temperature resistant polyvinyl chloride cable materials and preparation method thereof
CN103740006B (en) A kind of polyvinyl chloride cable material, and preparation method thereof
CN104893084B (en) A kind of fibre reinforced polyethylene waterproof roll and preparation method
KR102152066B1 (en) Hybrid type PVC stabilizer comprising liquid and powder
CN103804824B (en) Through the polyolefin-based inorganic powder composite material of ethylene-vinyl alcohol copolymer modification
CN103897289A (en) PVC section bar formula and processing method thereof
CN104817785A (en) Packaging PVC (polyvinyl chloride) thin film and preparation method thereof
CN103665625A (en) Large-thickness polyvinyl chloride (PVC) laminated plate and production technology thereof
CN110951196B (en) Corrosion-resistant and high-temperature-resistant PVC-C pipe and preparation method thereof
CN104130522A (en) Flame-retardant plastic for cable and preparation method thereof
CN110733184A (en) resin board production and preparation method
CN101429316A (en) Material special for PVC/super powder composite valve and preparation thereof
CN112759854A (en) Novel high-polymer mixed reinforced polyvinyl chloride material and preparation method thereof
CN103937124A (en) High-speed extrusion matte polyvinyl chloride cable material and preparation method thereof
CN107474435B (en) PVC (polyvinyl chloride) plate and preparation method thereof
CN104151752A (en) Preparation method and application of master batch used for polyvinylidene fluoride film
CN104592678A (en) Flame-retardant plastic for cable and preparation method of flame-retardant plastic
CN105131464A (en) Polyvinyl chloride cable material and preparing method thereof
CN105315580A (en) Laser etching polyvinyl chloride cable material and preparation method thereof
CN104592683A (en) Flame-retardant polyvinyl chloride for cable and preparation method of flame-retardant polyvinyl chloride
CN104497444A (en) PVC filler and preparation method, product and application thereof
CN104592679A (en) Flame-retardant cable and preparation method thereof
CN114456519A (en) Environment-friendly high-temperature flame-retardant polyvinyl chloride sheath material

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200131

RJ01 Rejection of invention patent application after publication