CN107446274A - A kind of high-performance solid thin wallboard and preparation method thereof - Google Patents

A kind of high-performance solid thin wallboard and preparation method thereof Download PDF

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Publication number
CN107446274A
CN107446274A CN201710844412.7A CN201710844412A CN107446274A CN 107446274 A CN107446274 A CN 107446274A CN 201710844412 A CN201710844412 A CN 201710844412A CN 107446274 A CN107446274 A CN 107446274A
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weight
parts
mixture
agent
wallboard
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周玉斌
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Anhui Future Decoration Industry Co Ltd
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Anhui Future Decoration Industry Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/32Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions 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
    • C08L27/02Compositions 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
    • C08L27/04Compositions 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
    • C08L27/06Homopolymers or copolymers of vinyl chloride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/22Expandable microspheres, e.g. Expancel®
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/32Phosphorus-containing compounds
    • C08K2003/321Phosphates
    • C08K2003/324Alkali metal phosphate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/003Additives being defined by their diameter
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/14Applications used for foams
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The present invention relates to a kind of high-performance solid thin wallboard and preparation method thereof,The high-performance solid thin wallboard uses PVC powder,Calcium carbonate,Graphene,Wood powder,Sodium tetrapolyphosphate,Ethylene glycol ether acetate,Microballoon foaming agent,Foaming control agent,Crosslinking agent,Catalyst,Plasticizer,Dispersant,Tackifier are raw material and carry out appropriate weight proportion,And by controlling charging sequence,Process conditions,So that each material component is uniformly mixed in formula,Compatibility is high,Wood fibre is able to fully dispersed in high molecule plastic,Wood/modeling interfacial interaction is strong,Bond strength is high,Further such that the high-performance solid thin wallboard being finally prepared,Mechanical property is greatly improved,Toughness is high,Durability is good,Impact resistance is good,Solid sense of worth greatly improves,The intensity for reaching same can effectively reduce the thickness of wallboard to save space.

Description

A kind of high-performance solid thin wallboard and preparation method thereof
Technical field
The invention belongs to technical field of composite materials, and in particular to a kind of high-performance solid thin wallboard and preparation method thereof.
Background technology
Wood plastic composite be by thermoplastic with wood-fibred or string are compound is prepared, the material has wood concurrently The double grading of material and plastics, thermal expansion, water imbibition are smaller than timber, good stability of the dimension, wearability and shock resistance Height, product can be recycled.But because string is different from resin matrix surface property, both glue at compound tense interface Connect that effect is poor, so as to cause the reduction of composite properties, have impact on the popularization and application of the composite.It is existing with The thermoplastic of nonpolar or low polarity is base material and the compound material of wood material, such as polyethylene, polypropylene, polychlorostyrene second Alkene and polystyrene and their reclaiming material, the tensile strength of the wood plastic composite are drawn between 30MPa-40MPa Modulus is stretched between 80MPa-120MPa, therefore mechanical strength is relatively low, and due to thermoplastic and highly polar wood Material poor compatibility, interfacial interaction power is weak, and under conditions of temperature and humidity change, plastics/timber interface is easily sent out It is raw to destroy, therefore, easily occur under internal stress or external load function by the Wood Plastics Composite Product of base material of thermoplastic The deformation of creep, so that product distortion, quality reduce even article component and destroyed;When using thermoplastic be base material when use When temperature and humidity change is obvious in environment, the polymer/wood interface in wood and plastic composite can separate or destroy, and make wood The mechanical property of modeling composite wood further reduces, and is restricted the application of material.
The content of the invention
In order to solve above mentioned problem existing for prior art, the invention provides a kind of mechanical property is good, durability is strong, resistance to The good high-performance solid thin wallboard of impact.The solid sense of worth of the high-performance solid thin wallboard greatly improves, and reaches same Intensity can effectively reduce the thickness of wallboard to save space.
The technical solution adopted in the present invention is:
A kind of high-performance solid thin wallboard, raw material components include:
80-100 parts by weight PVC powder, 40-50 weight parts of calcium carbonate, 1-5 parts by weight of graphite alkene, 20-50 parts by weight wood powder, 5-9 parts by weight sodium tetrapolyphosphate, 5-9 parts by weight ethylene glycol ether acetate, 1-2.5 parts by weight microballoons foaming agent, 0.1-0.5 weights Measure part foaming control agent, 0.6-1 parts by weight of crosslinking agent, 0.5-1 part by weight of catalyst, 0.4-0.7 parts by weight of plasticizer, 1-2 weights Measure part dispersant, 0.8-1.5 parts by weight tackifier.
The raw material components of the further preferred high-performance solid thin wallboard include:
85-95 parts by weight PVC powder, 42-48 weight parts of calcium carbonate, 2-4 parts by weight of graphite alkene, 30-40 parts by weight wood powder, 6- 8 parts by weight sodium tetrapolyphosphates, 6-8 parts by weight ethylene glycol ether acetate, 1.2-2 parts by weight microballoons foaming agent, 0.2-0.4 weight Part foaming control agent, 0.7-0.9 parts by weight of crosslinking agent, 0.6-0.8 part by weight of catalyst, 0.5-0.6 parts by weight of plasticizer, 1.2- 1.8 parts per weight dispersing agents, 0.9-1.2 parts by weight tackifier.
The raw material components of the further preferred high-performance solid thin wallboard include:
90 parts by weight PVC powders, 45 weight parts of calcium carbonate, 3 parts by weight of graphite alkene, 35 parts by weight wood powders, 7 parts by weight, four poly- phosphorus Sour sodium, 7 parts by weight ethylene glycol ether acetates, 1.6 parts by weight microballoon foaming agents, 0.3 parts by weight foaming control agent, 0.8 weight Part crosslinking agent, 0.7 part by weight of catalyst, 0.55 parts by weight of plasticizer, 1.5 parts per weight dispersing agents, 1.1 parts by weight tackifier.
The granularity of the calcium carbonate is 2000-3000 mesh, and the granularity of the graphene is 500-700 mesh, the wood powder Granularity is 300-500 mesh.
The microballoon foaming agent be acrylonitrile copolymer or vinylidene chloride as shell, low boiling hydrocarbon liquid is as the micro- of core Spherical structure;
The foaming control agent is acrylic resin foaming control agent;
The crosslinking agent is one in cumyl peroxide, dual-tert-butyl cumene hydroperoxide, benzoyl peroxide Kind or several combinations;
The catalyst is lithium carbonate;
The plasticizer is o-benzoate and/or organotin;
The dispersant is naphthalenesulfonatedispersant dispersant;
The tackifier are modified polyamide.
A kind of preparation method of the high-performance solid thin wallboard, step are as follows:
(1) sodium tetrapolyphosphate, ethylene glycol ether acetate, crosslinking agent, catalyst, plasticizer, dispersant, thickening are taken respectively Agent and the PVC powder of 1/15-1/5 weight, it is sufficiently mixed uniformly, obtains mixture A;
(2) microballoon foaming agent, foaming control agent, the calcium carbonate of 1/15-1/5 weight are taken respectively, are sufficiently mixed uniformly, are obtained Mixture B;
(3) calcium carbonate of graphene, wood powder, the PVC powder of residuals weight and residuals weight is taken respectively, is sufficiently mixed uniformly, Obtain mixture C;
(4) mixture A is slowly added into mixture C, is first heated to 25-35 DEG C, mixing speed 45-55r/min;It After be warming up to 55-65 DEG C, mixing speed 450-550r/min;110-130 DEG C is finally warming up to, mixing speed 900- 1100r/min, obtain mixture D;
(5) mixture D is subjected to extruder grain, obtains composite master batch F;
(6) the composite master batch F is added in mixture B, is sufficiently mixed uniformly, through extrusion forming, produces the high property Can solid thin wallboard.
In step (1), the PVC powder of 1/10 weight is first added.
In step (2), the calcium carbonate of 1/10 weight is first added.
In step (4), 30 DEG C are first heated to, mixing speed 50r/min;60 DEG C are warming up to afterwards, and mixing speed is 500r/min;120 DEG C are finally warming up to, mixing speed 1000r/min.
In step (5), the temperature for carrying out the extruder grain is 190-200 DEG C, and the rotating speed for carrying out the extruder grain is 125-140r/min;
In step (6), the temperature for carrying out the extrusion forming is 190-200 DEG C, and the rotating speed for carrying out the extrusion forming is 125-140r/min。
Beneficial effects of the present invention are:
1st, high-performance solid thin wallboard of the present invention, gather by using PVC powder, calcium carbonate, graphene, wood powder, four Sodium phosphate, ethylene glycol ether acetate, microballoon foaming agent, foaming control agent, crosslinking agent, catalyst, plasticizer, dispersant, increasing Stick is raw material and carries out appropriate weight proportion, and each component Material Compatibility is good in formula, and wood fibre is in high molecule plastic It is able to fully dispersed, wood/modeling interfacial interaction is strong, and bond strength is high so that the high-performance solid thin wall being finally prepared Plate, mechanical property are greatly improved, and toughness is high, and durability is good, and impact resistance is good, and solid sense of worth greatly improves, and reaches Same intensity can effectively reduce the thickness of wallboard to save space.
2nd, the preparation method of high-performance solid thin wallboard of the present invention, by first by sodium tetrapolyphosphate, ethylene glycol ethyl ether Acetate, crosslinking agent, catalyst, plasticizer, dispersant, the PVC powder of tackifier and 1/15-1/5 weight carry out being sufficiently mixed system Mixture A is obtained, then the calcium carbonate of microballoon foaming agent, foaming control agent, 1/15-1/5 weight is carried out being sufficiently mixed obtained mixing Thing B, then the calcium carbonate of graphene, wood powder, the PVC powder of residuals weight and residuals weight is carried out being sufficiently mixed obtained mixture C; Backward mixture C in be slowly added to mixture A, progressively heating coordinates the mixing speed of adaptation so that mixture D is made simultaneously, will Mixture obtains composite master batch F after carrying out extruder grain, finally adds composite master batch F in mixture B, through extrusion forming, i.e., Obtain the high-performance solid thin wallboard, preparation method of the present invention, by controlling charging sequence, process conditions so that formula In each material component be uniformly mixed, compatibility is high, and wood fibre is able to fully dispersed, wood/modeling circle in high molecule plastic Face interaction is strong, and bond strength is high, further such that the mechanical property of the high-performance solid thin wallboard is significantly carried Height, toughness is high, and durability is good, and impact resistance is good, and solid sense of worth greatly improves, and the intensity for reaching same can effectively reduce wallboard Thickness to save space.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below Detailed description.Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Base Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned Other embodiment, belong to the scope that the present invention is protected.
In example below 1g is represented with 1 parts by weight.
Embodiment 1
The present embodiment provides a kind of high-performance solid thin wallboard, and raw material components include:
The graphite that 80 parts by weight PVC powders, 50 parts by weight granularities are the calcium carbonate of 2000 mesh, 1 parts by weight granularity is 500 mesh Alkene, 50 parts by weight granularities are the wood powder of 300 mesh, 5 parts by weight sodium tetrapolyphosphates, 9 parts by weight ethylene glycol ether acetates, 1 weight Part microballoon foaming agent, the resin expanded conditioning agent of 0.5 parts by weight of acrylic acid, 0.6 parts by weight of crosslinking agent cumyl peroxide, 1 weight Part catalyst lithium carbonate, 0.4 parts by weight of plasticizer o-benzoate, 2 parts by weight sodium naphthalene sulfonate dispersants, 0.8 parts by weight are measured to increase Stick modified polyamide.The microballoon foaming agent is acrylonitrile copolymer as shell, microballoon of the low boiling hydrocarbon liquid as core Structure.
Further, the present embodiment provides a kind of preparation method of the high-performance solid thin wallboard, and step is as follows:
(1) sodium tetrapolyphosphate, ethylene glycol ether acetate, crosslinking agent, catalyst, plasticizer, dispersant, thickening are taken respectively Agent and the PVC powder of 1/15 weight, it is sufficiently mixed uniformly, obtains mixture A;
(2) microballoon foaming agent, foaming control agent, the calcium carbonate of 1/15 weight are taken respectively, are sufficiently mixed uniformly, are mixed Thing B;
(3) calcium carbonate of graphene, wood powder, the PVC powder of residuals weight and residuals weight is taken respectively, is sufficiently mixed uniformly, Obtain mixture C;
(4) mixture A is slowly added into mixture C, is first heated to 25 DEG C, mixing speed 45r/min;Heat up afterwards To 55 DEG C, mixing speed 450r/min;110 DEG C are finally warming up to, mixing speed 900r/min, obtains mixture D;
(5) mixture D is carried out under conditions of 190 DEG C, rotating speed is 125r/min using screw extruding forming machine Extruder grain, obtain composite master batch F;
(6) the composite master batch F is added in mixture B, is sufficiently mixed uniformly, is 125r/min's in 190 DEG C, rotating speed Under the conditions of using screw extruding forming machine carry out extrusion forming, produce the high-performance solid thin wallboard.
Embodiment 2
The present embodiment provides a kind of high-performance solid thin wallboard, and raw material components include:
The graphite that 100 parts by weight PVC powders, 40 parts by weight granularities are the calcium carbonate of 3000 mesh, 5 parts by weight granularities are 700 mesh Alkene, wood powder, 9 parts by weight sodium tetrapolyphosphates, 5 parts by weight ethylene glycol ether acetates, 2.5 weights that 20 parts by weight granularities are 500 mesh Measure part microballoon foaming agent, the resin expanded conditioning agent of 0.1 parts by weight of acrylic acid, 1 parts by weight of crosslinking agent dual-tert-butyl peroxidating isopropyl Base benzene, 0.5 part by weight of catalyst lithium carbonate, 0.7 parts by weight of plasticizer organotin, 1 parts by weight naphthalenesulfonatedispersant dispersant, 1.5 weights Measure the adhesion promoter-modified polyamide of part.The microballoon foaming agent be vinylidene chloride as shell, low boiling hydrocarbon liquid is as the micro- of core Spherical structure.
Further, the present embodiment provides a kind of preparation method of the high-performance solid thin wallboard, and step is as follows:
(1) sodium tetrapolyphosphate, ethylene glycol ether acetate, crosslinking agent, catalyst, plasticizer, dispersant, thickening are taken respectively Agent and the PVC powder of 1/5 weight, it is sufficiently mixed uniformly, obtains mixture A;
(2) microballoon foaming agent, foaming control agent, the calcium carbonate of 1/5 weight are taken respectively, are sufficiently mixed uniformly, are mixed Thing B;
(3) calcium carbonate of graphene, wood powder, the PVC powder of residuals weight and residuals weight is taken respectively, is sufficiently mixed uniformly, Obtain mixture C;
(4) mixture A is slowly added into mixture C, is first heated to 35 DEG C, mixing speed 55r/min;Heat up afterwards To 65 DEG C, mixing speed 550r/min;130 DEG C are finally warming up to, mixing speed 1100r/min, obtains mixture D;
(5) mixture D is subjected to extruder grain under conditions of 200 DEG C, rotating speed is 140r/min, obtains compound mother Grain F;
(6) the composite master batch F is added in mixture B, is sufficiently mixed uniformly, is 140r/min's in 200 DEG C, rotating speed Under the conditions of carry out extrusion forming, produce the high-performance solid thin wallboard.
Embodiment 3
The present embodiment provides a kind of high-performance solid thin wallboard, and raw material components include:
The stone that 95 parts by weight PVC powders, 42 parts by weight granularities are the calcium carbonate of 2500 mesh, 4 parts by weight granularities are 500-700 mesh Black alkene, 30 parts by weight granularities are the wood powder of 300-500 mesh, 8 parts by weight sodium tetrapolyphosphates, 6 parts by weight ethylene glycol ether acetates, 2 parts by weight microballoon foaming agents, the resin expanded conditioning agent of 0.2 parts by weight of acrylic acid, 0.9 parts by weight of crosslinking agent benzoyl peroxide, 0.6 part by weight of catalyst lithium carbonate, 0.6 parts by weight of plasticizer o-benzoate, 1.2 parts by weight naphthalenesulfonatedispersant dispersants, 1.2 weights Measure the adhesion promoter-modified polyamide of part.The microballoon foaming agent be acrylonitrile copolymer as shell, low boiling hydrocarbon liquid is as core Micro-sphere structure.
Further, the present embodiment provides a kind of preparation method of the high-performance solid thin wallboard, and step is as follows:
(1) sodium tetrapolyphosphate, ethylene glycol ether acetate, crosslinking agent, catalyst, plasticizer, dispersant, thickening are taken respectively Agent and the PVC powder of 1/10 weight, it is sufficiently mixed uniformly, obtains mixture A;
(2) microballoon foaming agent, foaming control agent, the calcium carbonate of 1/10 weight are taken respectively, are sufficiently mixed uniformly, are mixed Thing B;
(3) calcium carbonate of graphene, wood powder, the PVC powder of residuals weight and residuals weight is taken respectively, is sufficiently mixed uniformly, Obtain mixture C;
(4) mixture A is slowly added into mixture C, is first heated to 30 DEG C, mixing speed 50r/min;Heat up afterwards To 60 DEG C, mixing speed 500r/min;120 DEG C are finally warming up to, mixing speed 1000r/min, obtains mixture D;
(5) mixture D is subjected to extruder grain under conditions of 195 DEG C, rotating speed is 130r/min, obtains compound mother Grain F;
(6) the composite master batch F is added in mixture B, is sufficiently mixed uniformly, is 130r/min's in 195 DEG C, rotating speed Under the conditions of carry out extrusion forming, produce the high-performance solid thin wallboard.
Embodiment 4
The present embodiment provides a kind of high-performance solid thin wallboard, and raw material components include:
The graphite that 85 parts by weight PVC powders, 48 parts by weight granularities are the calcium carbonate of 2500 mesh, 2 parts by weight granularities are 600 mesh Alkene, wood powder, 6 parts by weight sodium tetrapolyphosphates, 8 parts by weight ethylene glycol ether acetates, 1.2 weights that 40 parts by weight granularities are 400 mesh Measure part microballoon foaming agent, the resin expanded conditioning agent of 0.4 parts by weight of acrylic acid, 0.7 parts by weight of crosslinking agent cumyl peroxide, 0.8 part by weight of catalyst lithium carbonate, 0.5 parts by weight of plasticizer organotin, 1.8 parts by weight naphthalenesulfonatedispersant dispersants, 0.9 parts by weight Adhesion promoter-modified polyamide;The microballoon foaming agent be acrylonitrile copolymer as shell, low boiling hydrocarbon liquid is as the micro- of core Spherical structure.
Further, the present embodiment provides a kind of preparation method of the high-performance solid thin wallboard, and step is as follows:
(1) sodium tetrapolyphosphate, ethylene glycol ether acetate, crosslinking agent, catalyst, plasticizer, dispersant, thickening are taken respectively Agent and the PVC powder of 1/10 weight, it is sufficiently mixed uniformly, obtains mixture A;
(2) microballoon foaming agent, foaming control agent, the calcium carbonate of 1/10 weight are taken respectively, are sufficiently mixed uniformly, are mixed Thing B;
(3) calcium carbonate of graphene, wood powder, the PVC powder of residuals weight and residuals weight is taken respectively, is sufficiently mixed uniformly, Obtain mixture C;
(4) mixture A is slowly added into mixture C, is first heated to 30 DEG C, mixing speed 50r/min;Heat up afterwards To 60 DEG C, mixing speed 500r/min;120 DEG C are finally warming up to, mixing speed 1000r/min, obtains mixture D;
(5) mixture D is subjected to extruder grain under conditions of 195 DEG C, rotating speed is 130r/min, obtains compound mother Grain F;
(6) the composite master batch F is added in mixture B, is sufficiently mixed uniformly, is 130r/min's in 195 DEG C, rotating speed Under the conditions of carry out extrusion forming, produce the high-performance solid thin wallboard.
Embodiment 5
The present embodiment provides a kind of high-performance solid thin wallboard, and raw material components include:
90 parts by weight PVC powders, 45 weight parts of calcium carbonate, 3 parts by weight of graphite alkene, 35 parts by weight wood powders, 7 parts by weight, four poly- phosphorus Sour sodium, 7 parts by weight ethylene glycol ether acetates, 1.6 parts by weight microballoon foaming agents, the resin expanded regulation of 0.3 parts by weight of acrylic acid Agent, 0.8 parts by weight of crosslinking agent cumyl peroxide, 0.7 part by weight of catalyst lithium carbonate, 0.55 parts by weight of plasticizer neighbour's benzene first Acid esters, 1.5 parts by weight naphthalenesulfonatedispersant dispersants, the adhesion promoter-modified polyamide of 1.1 parts by weight;The microballoon foaming agent is acrylonitrile Copolymer or vinylidene chloride are as shell, micro-sphere structure of the low boiling hydrocarbon liquid as core.
Further, the present embodiment provides a kind of preparation method of the high-performance solid thin wallboard, and step is as follows:
(1) sodium tetrapolyphosphate, ethylene glycol ether acetate, crosslinking agent, catalyst, plasticizer, dispersant, thickening are taken respectively Agent and the PVC powder of 1/10 weight, it is sufficiently mixed uniformly, obtains mixture A;
(2) microballoon foaming agent, foaming control agent, the calcium carbonate of 1/10 weight are taken respectively, are sufficiently mixed uniformly, are mixed Thing B;
(3) calcium carbonate of graphene, wood powder, the PVC powder of residuals weight and residuals weight is taken respectively, is sufficiently mixed uniformly, Obtain mixture C;
(4) mixture A is slowly added into mixture C, is first heated to 30 DEG C, mixing speed 50r/min;Heat up afterwards To 60 DEG C, mixing speed 500r/min;120 DEG C are finally warming up to, mixing speed 1000r/min, obtains mixture D;
(5) mixture D is subjected to extruder grain under conditions of 195 DEG C, rotating speed is 130r/min, obtains compound mother Grain F;
(6) the composite master batch F is added in mixture B, is sufficiently mixed uniformly, is 130r/min's in 195 DEG C, rotating speed Under the conditions of carry out extrusion forming, produce the high-performance solid thin wallboard.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (10)

1. a kind of high-performance solid thin wallboard, it is characterised in that raw material components include:
80-100 parts by weight PVC powder, 40-50 weight parts of calcium carbonate, 1-5 parts by weight of graphite alkene, 20-50 parts by weight wood powder, 5-9 weights Measure part sodium tetrapolyphosphate, 5-9 parts by weight ethylene glycol ether acetate, 1-2.5 parts by weight microballoons foaming agent, 0.1-0.5 parts by weight Foaming control agent, 0.6-1 parts by weight of crosslinking agent, 0.5-1 part by weight of catalyst, 0.4-0.7 parts by weight of plasticizer, 1-2 parts by weight Dispersant, 0.8-1.5 parts by weight tackifier.
2. high-performance solid thin wallboard according to claim 1, it is characterised in that raw material components include:
85-95 parts by weight PVC powder, 42-48 weight parts of calcium carbonate, 2-4 parts by weight of graphite alkene, 30-40 parts by weight wood powder, 6-8 weights Measure part sodium tetrapolyphosphate, 6-8 parts by weight ethylene glycol ether acetate, 1.2-2 parts by weight microballoons foaming agent, 0.2-0.4 parts by weight Foaming control agent, 0.7-0.9 parts by weight of crosslinking agent, 0.6-0.8 part by weight of catalyst, 0.5-0.6 parts by weight of plasticizer, 1.2- 1.8 parts per weight dispersing agents, 0.9-1.2 parts by weight tackifier.
3. high-performance solid thin wallboard according to claim 1, it is characterised in that raw material components include:
90 parts by weight PVC powders, 45 weight parts of calcium carbonate, 3 parts by weight of graphite alkene, 35 parts by weight wood powders, the polyphosphoric acid of 7 parts by weight four Sodium, 7 parts by weight ethylene glycol ether acetates, 1.6 parts by weight microballoon foaming agents, 0.3 parts by weight foaming control agent, 0.8 parts by weight Crosslinking agent, 0.7 part by weight of catalyst, 0.55 parts by weight of plasticizer, 1.5 parts per weight dispersing agents, 1.1 parts by weight tackifier.
4. high-performance solid thin wallboard according to claim 1, it is characterised in that the granularity of the calcium carbonate is 2000- 3000 mesh, the granularity of the graphene is 500-700 mesh, and the granularity of the wood powder is 300-500 mesh.
5. high-performance solid thin wallboard according to claim 1, it is characterised in that the microballoon foaming agent is total to for acrylonitrile Polymers or vinylidene chloride are as shell, micro-sphere structure of the low boiling hydrocarbon liquid as core;
The foaming control agent is acrylic resin foaming control agent;
The crosslinking agent be cumyl peroxide, dual-tert-butyl cumene hydroperoxide, one kind in benzoyl peroxide or Several combinations;
The catalyst is lithium carbonate;
The plasticizer is o-benzoate and/or organotin;
The dispersant is naphthalenesulfonatedispersant dispersant;
The tackifier are modified polyamide.
6. the preparation method of any one of a kind of claim 1-5 high-performance solid thin wallboards, it is characterised in that step is such as Under:
(1) take respectively sodium tetrapolyphosphate, ethylene glycol ether acetate, crosslinking agent, catalyst, plasticizer, dispersant, tackifier and The PVC powder of 1/15-1/5 weight, it is sufficiently mixed uniformly, obtains mixture A;
(2) take respectively microballoon foaming agent, foaming control agent, 1/15-1/5 weight calcium carbonate, be sufficiently mixed uniformly, mixed Thing B;
(3) calcium carbonate of graphene, wood powder, the PVC powder of residuals weight and residuals weight is taken respectively, is sufficiently mixed uniformly, is obtained Mixture C;
(4) mixture A is slowly added into mixture C, is first heated to 25-35 DEG C, mixing speed 45-55r/min;Rise afterwards Warm to 55-65 DEG C, mixing speed 450-550r/min;110-130 DEG C is finally warming up to, mixing speed 900-1100r/ Min, obtain mixture D;
(5) mixture D is subjected to extruder grain, obtains composite master batch F;
(6) the composite master batch F is added in mixture B, is sufficiently mixed uniformly, through extrusion forming, it is real to produce the high-performance The thin wallboard of the heart.
7. the preparation method of the thin wallboard of property Solid according to claim 6, it is characterised in that in step (1), first add The PVC powder of 1/10 weight.
8. the preparation method of the thin wallboard of property Solid according to claim 6, it is characterised in that in step (2), first add The calcium carbonate of 1/10 weight.
9. the preparation method of the thin wallboard of property Solid according to claim 6, it is characterised in that in step (4), first heat To 30 DEG C, mixing speed 50r/min;60 DEG C are warming up to afterwards, mixing speed 500r/min;120 DEG C are finally warming up to, is stirred It is 1000r/min to mix speed.
10. the preparation method of the thin wallboard of property Solid according to claim 6, it is characterised in that in step (5), carry out The temperature of the extruder grain is 190-200 DEG C, and the rotating speed for carrying out the extruder grain is 125-140r/min;
In step (6), the temperature for carrying out the extrusion forming is 190-200 DEG C, and the rotating speed for carrying out the extrusion forming is 125- 140r/min。
CN201710844412.7A 2017-09-18 2017-09-18 A kind of high-performance solid thin wallboard and preparation method thereof Pending CN107446274A (en)

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Application publication date: 20171208