CN105175945A - Hard WPC (wood-plastic composite) and soft PVC (polyvinyl chloride) composite board - Google Patents

Hard WPC (wood-plastic composite) and soft PVC (polyvinyl chloride) composite board Download PDF

Info

Publication number
CN105175945A
CN105175945A CN201510635534.6A CN201510635534A CN105175945A CN 105175945 A CN105175945 A CN 105175945A CN 201510635534 A CN201510635534 A CN 201510635534A CN 105175945 A CN105175945 A CN 105175945A
Authority
CN
China
Prior art keywords
wpc
hard
flexible pvc
composite sheet
material layer
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
CN201510635534.6A
Other languages
Chinese (zh)
Inventor
李远扬
梁炳康
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.)
Huizhou Weikang New Building Materials Co Ltd
Original Assignee
Huizhou Weikang New Building 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 Huizhou Weikang New Building Materials Co Ltd filed Critical Huizhou Weikang New Building Materials Co Ltd
Priority to CN201510635534.6A priority Critical patent/CN105175945A/en
Publication of CN105175945A publication Critical patent/CN105175945A/en
Pending legal-status Critical Current

Links

Landscapes

  • Laminated Bodies (AREA)

Abstract

The invention relates to a composite board, particularly to a material of the composite board. The composite board is formed by co-extruding an upper hard WPC (wood-plastic composite) material layer and a lower soft PVC (polyvinyl chloride) material layer, wherein the hard WPC material layer comprises components as follows: PVC, filler, a foaming regulator, a stabilizer, an outer lubricant, an inner lubricant, a foaming agent and a WPC recycling leftover material, and the filler comprises plant fibers and calcium powder; the soft PVC material layer comprises components as follows: the PVC, filler, a solid plasticizer, a stabilizer, a foaming regulator and a foaming agent, and the filler comprises at least one of light calcium carbonate and heavy calcium carbonate. The hard WPC and soft PVC composite board has distinct gradations, has distinct hardness change and has both hardness and softness, problems of poor foot comfort and sound absorbing performance of a WPC material are obviously solved, the lower soft layer can overcome the defect of uneven ground, the silencing effect can be realized, the processing automation degree is high, procedures are simple, and the cost is lower.

Description

A kind of hard WPC and flexible PVC composite sheet
Technical field
The present invention relates to a kind of composite sheet, particularly the material of this composite sheet.
Background technology
A kind of novel environment-friendly composite material is risen in domestic and world market at present---and wood plastic composite, is called for short WPC.WPC be with pure or reclaim plastics and natural fibrous packing make, plastics wherein can be high density ethylene (HDPE), polypropylene (PP), the various plastics such as polystyrene (PS) and polyvinyl chloride (PVC), natural fiber then includes wood powder and burlap fiber.WPC starting material are extensively easy to get, easy to process, the product that can be made into multiple pattern, multifrequency nature, and goods have the advantages such as weight is little, intensity is high, waterproof, fire prevention, insect protected, protection against corrosion, long service life.
Because WPC possesses above advantage, be widely used in floor, because its intensity is high, comfortable foot feeling degree and sound absorption qualities aspect are not very desirable.The way of the existing WPC of improvement comfortable foot feeling degree and sound absorption qualities pastes one deck elastic material exactly bottom WPC, such as EVA pad, rubber pad etc., US Patent No. 2014/0109507A1, ENGINEEREDWATERPROOFFLOORINGANDWALLCOVERINGPLANKS(engineering waterproofing floor and wooden decorative board for wall) disclose ceramic tile, thin layer stone material, rubber, ornament plastic plate, varnished cloth or decoration nylon are attached to bottom WPC, the technical scheme of comfortable foot feeling degree and sound absorption qualities is promoted with this, these materials must use hot melt adhesive to be bonded at bottom WPC material, atomization degree is low, operation is loaded down with trivial details, virtually improve Product processing cost.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of hard WPC and flexible PVC composite sheet, flexible PVC material layer is increased below WPC hard material layer, reach clearly demarcated, the hard and soft effect had both of soft or hard, improve WPC comfortable foot feeling degree and sound absorption qualities, soft lower floor can overcome ground injustice, and reaches muting function, atomization degree is high simultaneously, operation is simple, and without the need to using glue to stick together, production cost is low.
Technical problem to be solved by this invention is achieved by the following technical programs:
A kind of hard WPC and flexible PVC composite sheet, be co-extruded by the hard WPC material layer on upper strata and the flexible PVC material layer of lower floor.
Described hard WPC material layer is made up of the component of following parts by weight:
PVC60 ~ 100 part;
Filler 60 ~ 100 parts, described filler is vegetable fibre and calcium powder;
Foaming control agent 1 ~ 5 part;
Stablizer 2 ~ 6 parts;
External lubricant 0.5 ~ 1.5 part;
Internal lubricant 0.5 ~ 2 part;
Whipping agent 0.2 ~ 1 part;
WPC reclaims scrap stock 0 ~ 30 part.
Further, described PVC is the disposable type in GB SG5 ~ SG8.
Further, described foaming control agent is two methyl esters or vinylbenzene.
Further, described stablizer is calcium zinc stabilizer.
Further, described external lubricant is PE wax.
Further, described internal lubricant is DEDB.
Further, described whipping agent is at least one in AC or VC whipping agent.
Described flexible PVC material layer is made up of the component of following total amount part:
PVC100 part;
Filler 20 ~ 60 parts, described filler is at least one in fine particle calcium carbonate or coarse whiting;
Solid fluidizer 45 ~ 55 parts;
Stablizer 2 ~ 6 parts;
Foaming control agent 1 ~ 5 part;
Whipping agent 0.2 ~ 1 part.
Further, described PVC is GB SG-3 model.
Further, described solid fluidizer is at least one in DIMP or DOTP.
Further, described stablizer is calcium zinc stabilizer.
Further, described foaming control agent is two methyl esters or vinylbenzene.
Further, described whipping agent is at least one in AC or VC whipping agent.
Hard WPC of the present invention and flexible PVC composite sheet preparation method be as follows:
(1) feed intake stirring: in the agitation vat that temperature control unit is housed, and puts in one group of agitation vat by each component of upper strata hard WPC by formula rate, and heated and stirred, to 100 ~ 130 DEG C, then flows into cold agitation vat automatically, and cooling is stirred to 35 ~ 60 DEG C; Be dosed in other one group of agitation vat by each for lower floor's flexible PVC component by formula rate, heated and stirred, to 70 ~ 100 DEG C, then flows into another cold agitation vat automatically, and cooling is stirred to 30 ~ 55 DEG C, then enters subsequent processing by corresponding channel respectively;
(2) blanking: material enters corresponding double-deck Screw Extrusion respectively by corresponding channel after cold stirring, wherein, double-deck screw machine temperature is set as 150 ~ 200 DEG C; Upper strata WPC directly vertically flows into screw extrusion press upper strata from agitation vat and arrives upper strata die head through screw extrusion press; Lower floor's flexible PVC is flow out from agitation vat, be about miter angle direction through screw rod conveyor in double-deck screw extrusion press lower floor and enter double-deck screw extrusion press lower floor, arrive die head lower floor through screw extrusion press, at die head about 4/3, place enters merging core, and upper strata WPC and lower floor PVC is combined into one deck herein;
(3) product approval: by from merging core work in-process out through logical water coolant veneer sheet cooling, determine product thickness, make product approval;
(4) cut: the product after sizing is through take off roll, and the work in-process WPC and PVC co-extrusion completed by take off roll are slowly pulled out and towards a direction continuous seepage, then through clipper, can cut into the preparation that namely dimension completes composite sheet.
The present invention has following beneficial effect:
A kind of hard WPC provided by the invention and flexible PVC composite sheet, flexible PVC material layer is increased below WPC hard material layer, reach clearly demarcated, the hard and soft effect had both of soft or hard, improve WPC comfortable foot feeling degree and sound absorption qualities, soft lower floor can overcome ground injustice, and reach muting function, simultaneously, hard WPC layer of the present invention and flexible PVC layer co-extrusion form composite bed, material disposal molding, without the need to using the glue atomization degree that can stick together high, operation is simple, and production cost is low.
Accompanying drawing explanation
Fig. 1 is hard WPC of the present invention and flexible PVC composite sheet cross section structure schematic diagram.
Fig. 2 is the production unit of hard WPC of the present invention and flexible PVC composite sheet.
embodiment:
Below in conjunction with embodiment, the present invention is described in detail, and embodiment is only the preferred embodiment of the present invention, is not limitation of the invention.
Following table is the hard WPC of embodiment 1-3 and the consumption of each component of flexible PVC composite sheet.
For embodiment 1, use equipment as shown in Figure 2, prepare hard WPC and flexible PVC composite sheet:
(1) feed intake stirring: drop into heated and stirred in high-speed stirring bucket 3 after the upper strata each component raw material of hard WPC material layer being weighed, temperature is set as 100 ~ 110 DEG C, directly automatically flow into the cooling of cold agitation vat after stirring completes to stir, cold agitation vat temperature is set as 45 ~ 55 DEG C; Heated and stirred in the second high-speed stirring bucket 4 is dropped into after each for lower floor's flexible PVC component being weighed by formula material, temperature is set as 80 ~ 90 DEG C, then automatically flow into another cold agitation vat after stirring completes, temperature is set as that 40 ~ 50 DEG C of coolings are stirred, and then enters subsequent processing by corresponding channel respectively.
(2) blanking: the upper strata WPC material layer raw material of cooling in step (1), enter upper die head 8 by simple helix screw extrusion press 5, simple helix screw extrusion press 5 temperature is set as 170 ~ 180 DEG C; Lower floor's flexible PVC material layer raw material, enters lower die head 9 by the second simple helix screw extrusion press 6 through screw rod conveyor 7, and the second simple helix screw extrusion press 6 temperature is set as 140 ~ 150 DEG C; Enter merging core 10 at die head about 4/3 upper strata, place WPC and lower floor's PVC raw material, merging core temperature is set as 160 ~ 170 DEG C.
(3) product approval: lower the temperature from the veneer sheet 11 of merging core 10 work in-process out through logical water coolant, determine product thickness, make product approval, from discharge port 12 discharging.
(4) cut: the product after sizing is through take off roll, slowly being pulled out by the work in-process that hard WPC material layer and flexible PVC material layer co-extrusion complete by take off roll can towards a direction continuous seepage, again through clipper, cut into the composite sheet of dimension, finished product cross section structure as shown in Figure 1, upper strata is hard WPC material layer, and lower floor is flexible PVC material layer.
Described embodiment is only the preferred embodiment of the present invention; not scope of the present invention is limited; under the prerequisite not departing from design of the present invention and principle; the various variation that those skilled in the art make technical scheme of the present invention and improvement, all should fall in the protection domain of patent claim of the present invention.

Claims (11)

1. hard WPC and a flexible PVC composite sheet, is characterized in that: be co-extruded by the hard WPC material layer (1) on upper strata and the flexible PVC material layer (2) of lower floor.
2. hard WPC according to claim 1 and flexible PVC composite sheet, is characterized in that, described hard WPC material layer (1) is made up of the component of following parts by weight:
PVC60 ~ 100 part;
Filler 60 ~ 100 parts, described filler is vegetable fibre and calcium powder;
Foaming control agent 1 ~ 5 part;
Stablizer 2 ~ 6 parts;
External lubricant 0.5 ~ 1.5 part;
Internal lubricant 0.5 ~ 2 part;
Whipping agent 0.2 ~ 1 part;
WPC reclaims scrap stock 0 ~ 30 part.
3. hard WPC according to claim 2 and flexible PVC matrix material, is characterized in that, described PVC is the disposable type in GB SG5 ~ SG8.
4. hard WPC according to claim 2 and flexible PVC composite sheet, is characterized in that, described external lubricant is PE wax.
5. hard WPC according to claim 2 and flexible PVC composite sheet, is characterized in that, described internal lubricant is DEDB.
6. hard WPC according to claim 1 and flexible PVC composite sheet, is characterized in that, described flexible PVC material layer (2) is made up of the component of following parts by weight:
PVC100 part;
Filler 20 ~ 60 parts, described filler is at least one in fine particle calcium carbonate or coarse whiting;
Solid fluidizer 45 ~ 55 parts;
Stablizer 2 ~ 6 parts;
Foaming control agent 1 ~ 5 part;
Whipping agent 0.2 ~ 1 part.
7. hard WPC according to claim 6 and flexible PVC composite sheet, is characterized in that, described PVC is GB SG-3 model.
8. hard WPC according to claim 6 and flexible PVC composite sheet, is characterized in that, described solid fluidizer is at least one in DIMP or DOTP.
9. the hard WPC according to claim 2 or 6 and flexible PVC composite sheet, is characterized in that, described stablizer is calcium zinc stabilizer.
10. the hard WPC according to claim 2 or 6 and flexible PVC composite sheet, is characterized in that, described foaming control agent is two methyl esters or vinylbenzene.
11. hard WPC according to claim 2 or 6 and flexible PVC composite sheet, it is characterized in that, described whipping agent is at least one in AC or VC whipping agent.
CN201510635534.6A 2015-09-30 2015-09-30 Hard WPC (wood-plastic composite) and soft PVC (polyvinyl chloride) composite board Pending CN105175945A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510635534.6A CN105175945A (en) 2015-09-30 2015-09-30 Hard WPC (wood-plastic composite) and soft PVC (polyvinyl chloride) composite board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510635534.6A CN105175945A (en) 2015-09-30 2015-09-30 Hard WPC (wood-plastic composite) and soft PVC (polyvinyl chloride) composite board

Publications (1)

Publication Number Publication Date
CN105175945A true CN105175945A (en) 2015-12-23

Family

ID=54898416

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510635534.6A Pending CN105175945A (en) 2015-09-30 2015-09-30 Hard WPC (wood-plastic composite) and soft PVC (polyvinyl chloride) composite board

Country Status (1)

Country Link
CN (1) CN105175945A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107245204A (en) * 2017-07-20 2017-10-13 菏泽海润新能源有限公司 PVC decorative board and production technology and mould therefor
CN107471803A (en) * 2017-09-14 2017-12-15 惠州伟康新型建材有限公司 A kind of elastic sound-absorbing PVC floor and preparation method thereof
CN107587694A (en) * 2017-10-10 2018-01-16 圣象实业(江苏)有限公司 One-shot forming PVC composite floor board manufacturing process
WO2019007014A1 (en) * 2017-07-03 2019-01-10 陆钉毅 Method for forming plastic floor of woven fabric laminated structure
CN111113835A (en) * 2019-12-30 2020-05-08 圣象新饰材(江苏)有限公司 Production process of front co-extrusion wood-plastic skirting line
CN113278235A (en) * 2021-06-25 2021-08-20 惠州伟康新型建材有限公司 High-filling SPC (styrene-butadiene-styrene) plate and preparation process and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1185374A (en) * 1996-12-19 1998-06-24 孙作东 artificial wood floor
CN201201350Y (en) * 2008-03-29 2009-03-04 张博 Plastic wood composite panel
CN102146187A (en) * 2010-12-24 2011-08-10 上海国成塑料有限公司 Preparation method of polyvinyl chloride (PVC) low-foaming wood plastic composite
CN103254532A (en) * 2013-05-28 2013-08-21 九江盐湖新材料有限公司 Production method of 5 type PVC (poly vinyl chloride) resin foamed wood plastic composite
CN204955602U (en) * 2015-09-30 2016-01-13 惠州伟康新型建材有限公司 Stereoplasm WPC and soft PVC composite board

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1185374A (en) * 1996-12-19 1998-06-24 孙作东 artificial wood floor
CN201201350Y (en) * 2008-03-29 2009-03-04 张博 Plastic wood composite panel
CN102146187A (en) * 2010-12-24 2011-08-10 上海国成塑料有限公司 Preparation method of polyvinyl chloride (PVC) low-foaming wood plastic composite
CN103254532A (en) * 2013-05-28 2013-08-21 九江盐湖新材料有限公司 Production method of 5 type PVC (poly vinyl chloride) resin foamed wood plastic composite
CN204955602U (en) * 2015-09-30 2016-01-13 惠州伟康新型建材有限公司 Stereoplasm WPC and soft PVC composite board

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019007014A1 (en) * 2017-07-03 2019-01-10 陆钉毅 Method for forming plastic floor of woven fabric laminated structure
CN107245204A (en) * 2017-07-20 2017-10-13 菏泽海润新能源有限公司 PVC decorative board and production technology and mould therefor
CN107471803A (en) * 2017-09-14 2017-12-15 惠州伟康新型建材有限公司 A kind of elastic sound-absorbing PVC floor and preparation method thereof
CN107587694A (en) * 2017-10-10 2018-01-16 圣象实业(江苏)有限公司 One-shot forming PVC composite floor board manufacturing process
CN107587694B (en) * 2017-10-10 2019-07-19 圣象实业(江苏)有限公司 One-pass molding PVC composite floor board manufacturing process
CN111113835A (en) * 2019-12-30 2020-05-08 圣象新饰材(江苏)有限公司 Production process of front co-extrusion wood-plastic skirting line
CN113278235A (en) * 2021-06-25 2021-08-20 惠州伟康新型建材有限公司 High-filling SPC (styrene-butadiene-styrene) plate and preparation process and application thereof

Similar Documents

Publication Publication Date Title
CN105175945A (en) Hard WPC (wood-plastic composite) and soft PVC (polyvinyl chloride) composite board
CN105908946B (en) Coextru-lamination stone moulds PVC floor
CN100392012C (en) Wood plastic composite material building mould board, its preparation method and use
CN101831835B (en) Stone papermaking method
CN102492305B (en) Formula for preparing wood-plastic composite material from papermaking solid wastes and method thereof
CN102922838A (en) Three-layer coextruded PVC (polyvinylchloride) wood-plastic composite foam board and preparation method thereof
CN105670180B (en) A kind of wood moulding clothes hanger and its preparation technology
CN103358629A (en) Straw wood-plastic composite board
CN105199259A (en) Stone-wood floor and production technology and laying method thereof
CN106836721B (en) Fiber reinforcement polyvinyl chloride composite floor board and its production technology
CN103540049A (en) PVC (Polyvinyl Chloride) sythetic-wood ecologic furniture and partition panel and production method
CN101654536A (en) Method for producing nano plastic-wood composite section
CN105082719A (en) PVC wood plastic plate preparation process
CN103627109A (en) Manufacturing formula of environment-friendly pencil board and technology thereof
CN102441974A (en) Production method of aluminum-plastic wood fiber composite profile
CN203257038U (en) Straw wood plastic composite board
CN104804448A (en) Industrialized production method of reed and wood-plastic composite material
CN101880427A (en) Renewable imitation wood and manufacturing method thereof
CN103351631A (en) Plastic wood grain sheet and processing method thereof
CN105415839B (en) A kind of polyvinyl chloride co-extrusion wood-plastic board and preparation method thereof
CN109968624A (en) A kind of processing technology of wood-imitating plastic plate
CN104761819A (en) Method for preparing polyethylene-based wood-plastic composite material by utilizing bamboo powder
CN204955602U (en) Stereoplasm WPC and soft PVC composite board
CN107513285A (en) Wood plastic boards and its production technology
US20130227881A1 (en) Recycled plastic composite composition

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20151223