CN103396621A - Modified PVC (polyvinyl chloride) foam wall panel and preparation method thereof - Google Patents
Modified PVC (polyvinyl chloride) foam wall panel and preparation method thereof Download PDFInfo
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- CN103396621A CN103396621A CN2013102950201A CN201310295020A CN103396621A CN 103396621 A CN103396621 A CN 103396621A CN 2013102950201 A CN2013102950201 A CN 2013102950201A CN 201310295020 A CN201310295020 A CN 201310295020A CN 103396621 A CN103396621 A CN 103396621A
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- 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
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- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92933—Conveying, transporting or storage of articles
Abstract
The invention provides a modified PVC (polyvinyl chloride) foam wall panel and a preparation method thereof. The modified PVC foam wall panel comprises the following components in parts by weight: 80-100 parts of PVC resin, 8-16 parts of nitrile butadiene rubber, 20-32 parts of phenol-formaldehyde resin, 40-60 parts of deionized water, 35-50 parts of pottery clay, 3-6 parts of chlorinated polyethylene, 0.7-1.8 parts of titanate coupling agent, 1.5-4 parts of calcium-zinc stabilizer, organic tin stabilizer or compound lead salt stabilizer, 1-3.5 parts of ACR401 processing modifier, 4.5-8 parts of titanium dioxide or UV (ultraviolet)-531 light stabilizer, 0.25-1 part of foaming agent, 4-13 parts of foaming regulation agent, 0.2-1 part of barium stearate and 0.3-0.8 part of liquid paraffin. The modified PVC foam wall panel has the advantages of great water resistance, weather resistance and corrosion resistance, very strong toughness and fireproof and anti-aging effects, and the preparation process is simple.
Description
Technical field
The present invention relates to a kind of wallboard and preparation method thereof, relate in particular to modified PVC foamed wallboard and preparation method thereof.
Background technology
Along with the raising of people's living standard, people more and more are concerned about living environment, comprising the wallboard of building decoration use.Wallboard not only needs to possess characteristics sturdy and durable, easy cleaning, also will possess and reduce noise, cool in summer and warm in winter, wear-resisting, shock resistance, health environment-friendly, the characteristic such as attractive in appearance.The material that is used for making wallboard has a lot, and as timber, stone material, PVC material etc., wherein the wallboard made of PVC material has very large advantage.
PVC is one of industrial synthetic resins of producing the earliest, and because it is cheap, starting material are easy to get, and are also one of three large plastics that consumption is maximum in the world.Because its electrical insulation properties is good, can be in electric, electronic industry, for the manufacture of plug, socket, switch and cable.In daily life, polyvinyl chloride is for manufacturing sandals, raincoat, toy and leatheroid etc.Simultaneously, because its chemical stability is high, so can be used for making anti-corrosion pipeline, pipe fitting, transition pipeline, impeller pump and gas blower etc.The hardboard of PVC is widely used in making on chemical industry the lining of various storage tanks, the corrugated panel of buildings, door and window structure, the construction timbers such as wall fitting thing.
When the PVC wallboard used as indoor wallboard, wallboard of the prior art only had a kind of fixing color, if use dark wallboard, in summer, can make the people feel indoor hotter; If use the wallboard of light color, in winter, can make the people feel indoor colder.This has brought trouble for people when selecting the wallboard color.
Although existing PVC wallboard has had enhanced water resistance, weathering resistance, rub resistance, its fire prevention and ageing resistance are low, can not possess simultaneously fragrance and antibiotic ability.For example Chinese invention patent (patent No. 200710078674.3, the applying date 2007/6/30) discloses a kind of bamboo-plastic composite section bar, and this section bar has possessed high strength and high tenacity, but does not have the performances such as fire prevention, antibiotic, anti-aging and changeable colour; Chinese invention patent (the patent No. 200910100375.4, the applying date 2009/7/13) environmental-friendly lead-free PVC ceiling sheet and manufacture method thereof and application are disclosed, this sheet material has possessed good weatherability, flame retardant resistance is high, scrath resistance is strong, sound-insulating and heat-insulating and antibiotic characteristics, but does not possess the characteristics such as fire prevention, anti-aging, changeable colour; Chinese invention patent (patent No. 200910272564.X, the applying date 2009/10/28) method for preparing shock-resistant hard PVC material by coordination cross-linked is disclosed, that its prepared PVC material has is toughness reinforcing, the characteristics of weathering resistance, ageing resistance, but does not possess the characteristic of fire prevention, antibiotic, changeable colour.
Summary of the invention
The technical problem that solves:Deficiency for existing PVC wallboard exists, the invention provides modified PVC foamed wallboard and preparation method thereof, and this wallboard not only possesses the characteristics of enhanced water resistance, weathering resistance, rub resistance, also possesses fire prevention, resistance to deterioration, antibiotic and changeable colour performance.
Technical scheme:The invention provides the modified PVC foamed wallboard, comprise the component of following mass fraction: 80～100 parts of polyvinyl chloride resins; 8～16 parts of paracrils; 20～32 parts, resol; 40～60 parts of deionized waters; 35～50 parts, potter's clay; 3～6 parts of chlorinatedpolyethylenees; 0.7～1.8 part of titanate coupling agent; 1.5～4 parts of calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizers; 1～3.5 part of ACR401 modifier; 4.5～8 parts of titanium dioxide or UV-531 photostabilizers; 0.25～1 part of whipping agent; 4～13 parts of foaming control agents; 0.2～1 part of barium stearate; 0.3～0.8 part of whiteruss.
Modified PVC foamed wallboard described above, comprise the component of following mass fraction: 85～95 parts of polyvinyl chloride resins; 10～15 parts of paracrils; 24～29 parts, resol; 45～55 parts of deionized waters; 40～45 parts, potter's clay; 3.5～5 parts of chlorinatedpolyethylenees; 1～1.5 part of titanate coupling agent; 2～3.5 parts of calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizers; 1.5～3 parts of ACR401 modifiers; 5.5～7 parts of titanium dioxide or UV-531 photostabilizers; 0.5～0.8 part of whipping agent; 0.4～0.7 part of barium stearate; 0.4～0.6 part of whiteruss.
The modified PVC foamed wallboard, comprise the component of following mass fraction: 80～100 parts of polyvinyl chloride resins; 8～16 parts of paracrils; 20～32 parts, resol; 40～60 parts of deionized waters; 35～50 parts, potter's clay; 3～6 parts of chlorinatedpolyethylenees; 0.7～1.8 part of titanate coupling agent; 1.5～4 parts of calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizers; 1～3.5 part of ACR401 modifier; 4.5～8 parts of titanium dioxide or UV-531 photostabilizers; 0.25～1 part of whipping agent; 4～13 parts of foaming control agents; 0.2～1 part of barium stearate; 0.3～0.8 part of whiteruss; 1.2～6 parts of antibacterial matrices.
The modified PVC foamed wallboard, comprise the component of following mass fraction: 80～100 parts of polyvinyl chloride resins; 8～16 parts of paracrils; 20～32 parts, resol; 40～60 parts of deionized waters; 35～50 parts, potter's clay; 3～6 parts of chlorinatedpolyethylenees; 0.7～1.8 part of titanate coupling agent; 1.5～4 parts of calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizers; 1～3.5 part of ACR401 modifier; 4.5～8 parts of titanium dioxide or UV-531 photostabilizers; 0.25～1 part of whipping agent; 4～13 parts of foaming control agents; 0.2～1 part of barium stearate; 0.3～0.8 part of whiteruss; 1.2～6 parts of antibacterial matrices; 4～12 parts, plastics essence.
The modified PVC foamed wallboard, comprise the component of following mass fraction: 80～100 parts of polyvinyl chloride resins; 8～16 parts of paracrils; 20～32 parts, resol; 40～60 parts of deionized waters; 35～50 parts, potter's clay; 3～6 parts of chlorinatedpolyethylenees; 0.7～1.8 part of titanate coupling agent; 1.5～4 parts of calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizers; 1～3.5 part of ACR401 modifier; 4.5～8 parts of titanium dioxide or UV-531 photostabilizers; 0.25～1 part of whipping agent; 4～13 parts of foaming control agents; 0.2～1 part of barium stearate; 0.3～0.8 part of whiteruss; 1.2～6 parts of antibacterial matrices; 4～12 parts, plastics essence; 22～30 parts of thermal discoloration type heat discoloration pigment.
The discoloring temperature of thermal discoloration type heat discoloration pigment described above is 18～22 ℃.
The preparation method of modified PVC foamed wallboard, comprise the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, be warming up to 90～100 ℃, discharging after stirring 2h, centrifuge dehydration, drying obtain the modified PVC resin;
Second step: then potter's clay, coupling agent, modified PVC resin, resol, softening agent, coupling agent, thermo-stabilizer, modifier, photostabilizer, whipping agent, foaming control agent, barium stearate, whiteruss are mixed, be warming up to 110～115 ℃, insulation 10～15min, discharging after being cooled to again 40～45 ℃, obtain material, and place 20h;
The 3rd step: material is placed in to forcing machine and extrudes, extruding one section temperature of barrel is 155～160 ℃, two sections temperature of barrel are 158～163 ℃, three sections temperature of barrel are 160～165 ℃, four sections temperature of barrel are 163～168 ℃, the merging core temperature is 165～170 ℃, and die head temperature is 195～200 ℃;
The 4th step: be the 2-3.5w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
Beneficial effect:Compared with prior art, modified PVC foamed wallboard provided by the invention and preparation method thereof has the following advantages:
1. adding of paracril and deionized water, can increase the toughness of polyvinyl chloride resin, can also increase tensile strength, thermotolerance and the hardness of wallboard;
2. make wallboard have performance fire-resistant, rub resistance adding of resol;
3. potter's clay, as weighting agent, makes wallboard have sound insulation, water-permeable and air permeable, corrosion resistant performance;
Photostabilizer add the light fastness that has increased wallboard, make the wallboard color sustained;
5. make wallboard have antibiotic and odoriferous function adding of antibacterial matrices and plastics essence;
6. thermal discoloration type heat discoloration pigment can change the color of wallboard, and while when temperature, from low temperature, rising to more than 18 ℃, wallboard becomes colorless from coloured, when temperature drops to below 22 ℃ from the high temperature temperature, wallboard from colourless become coloured;
7. wallboard of the present invention has possessed obdurability, water tolerance, weathering resistance, rub resistance, also has fire-resistant and aging-resistant performance, have simultaneously changeable colour, antibiotic and odoriferous characteristics, its tensile strength is that 69.1～70.1 MPa, flexural strength are that 68.3～69.4 MPa, modulus in flexure are that 2710～2758 MPa, frictional coefficient are 0.62～0.68, flame retardant effect reaches 1 grade, under 80 ℃ or-60 ℃, place 5h unchanged, unchanged after being soaked in water 80 days, Exposure to Sunlight after 70 days color constant, be suitable as indoor or outdoor wallboard.
Embodiment
Embodiment 1
The modified PVC foamed wallboard, comprise the component of following mass fraction: 80 parts of polyvinyl chloride resins, 8 parts of paracrils, 20 parts, resol, 40 parts of deionized waters, 35 parts, potter's clay, 3 parts of chlorinatedpolyethylenees, 0.7 part of titanate coupling agent, 1.5 parts of calcium zinc stabilizers, 1 part of ACR401 modifier, 4.5 parts of titanium dioxides, 0.25 part of whipping agent, 4 parts of foaming control agents, 0.2 part of barium stearate, 0.3 part of whiteruss.
The preparation method of modified PVC foamed wallboard, comprise the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, be warming up to 90 ℃, discharging after stirring 2h, centrifuge dehydration, drying obtain the modified PVC resin;
Second step: then potter's clay, coupling agent, modified PVC resin, resol, softening agent, coupling agent, thermo-stabilizer, modifier, photostabilizer, whipping agent, foaming control agent, barium stearate, whiteruss are mixed, be warming up to 110 ℃, insulation 10min, discharging after being cooled to again 40 ℃, obtain material, and place 20h;
The 3rd step: material is placed in to forcing machine and extrudes, extruding one section temperature of barrel is 155 ℃, and two sections temperature of barrel are 158 ℃, and three sections temperature of barrel are 160 ℃, and four sections temperature of barrel are 163 ℃, and the merging core temperature is 165 ℃, and die head temperature is 195 ℃;
The 4th step: be the 2w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
Embodiment 2
The modified PVC foamed wallboard, comprise the component of following mass fraction: 100 parts of polyvinyl chloride resins, 16 parts of paracrils, 32 parts, resol, 60 parts of deionized waters, 50 parts, potter's clay, 6 parts of chlorinatedpolyethylenees, 1.8 parts of titanate coupling agents, 4 parts of calcium zinc stabilizers, 3.5 parts of ACR401 modifiers, 8 parts of titanium dioxides, 1 part of whipping agent, 13 parts of foaming control agents, 1 part of barium stearate, 0.8 part of whiteruss.
The preparation method of modified PVC foamed wallboard, comprise the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, be warming up to 100 ℃, discharging after stirring 2h, centrifuge dehydration, drying obtain the modified PVC resin;
Second step: then potter's clay, coupling agent, modified PVC resin, resol, softening agent, coupling agent, thermo-stabilizer, modifier, photostabilizer, whipping agent, foaming control agent, barium stearate, whiteruss are mixed, be warming up to 115 ℃, insulation 15min, discharging after being cooled to again 45 ℃, obtain material, and place 20h;
The 3rd step: material is placed in to forcing machine and extrudes, extruding one section temperature of barrel is 160 ℃, and two sections temperature of barrel are 163 ℃, and three sections temperature of barrel are 165 ℃, and four sections temperature of barrel are 168 ℃, and the merging core temperature is 170 ℃, and die head temperature is 200 ℃;
The 4th step: be the 3.5w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
Embodiment 3
The modified PVC foamed wallboard comprises the component of following mass fraction: 83 parts of polyvinyl chloride resins, 9 parts of paracrils, 21 parts, resol, 43 parts of deionized waters, 37 parts, potter's clay, 3.3 parts of chlorinatedpolyethylenees, 0.9 part of titanate coupling agent, 1.8 parts of calcium zinc stabilizers, 1.3 parts of ACR401 modifiers, 5.2 parts of titanium dioxides, 0.4 part of whipping agent, 4.7 parts of foaming control agents, 0.31 part of barium stearate, 0.35 part of whiteruss.
The preparation method of modified PVC foamed wallboard, comprise the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, be warming up to 95 ℃, discharging after stirring 2h, centrifuge dehydration, drying obtain the modified PVC resin;
Second step: then potter's clay, coupling agent, modified PVC resin, resol, softening agent, coupling agent, thermo-stabilizer, modifier, photostabilizer, whipping agent, foaming control agent, barium stearate, whiteruss are mixed, be warming up to 112 ℃, insulation 12min, discharging after being cooled to again 42 ℃, obtain material, and place 20h;
The 3rd step: material is placed in to forcing machine and extrudes, extruding one section temperature of barrel is 157 ℃, and two sections temperature of barrel are 160 ℃, and three sections temperature of barrel are 162 ℃, and four sections temperature of barrel are 165 ℃, and the merging core temperature is 167 ℃, and die head temperature is 197 ℃;
The 4th step: be the 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
Embodiment 4
The modified PVC foamed wallboard, comprise the component of following mass fraction: 97 parts of polyvinyl chloride resins, 15.5 parts of paracrils, 30 parts, resol, 52 parts of deionized waters, 46 parts, potter's clay, 5.4 parts of chlorinatedpolyethylenees, 1.65 parts of titanate coupling agents, 3.8 parts of organotin stabilizers, 3.3 parts of ACR401 modifiers, 7.2 parts of UV-531 photostabilizers, 0.92 part of whipping agent, 12 parts of foaming control agents, 0.88 part of barium stearate, 0.7 part of whiteruss.
The preparation method of modified PVC foamed wallboard, comprise the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, be warming up to 95 ℃, discharging after stirring 2h, centrifuge dehydration, drying obtain the modified PVC resin;
Second step: then potter's clay, coupling agent, modified PVC resin, resol, softening agent, coupling agent, thermo-stabilizer, modifier, photostabilizer, whipping agent, foaming control agent, barium stearate, whiteruss are mixed, be warming up to 112 ℃, insulation 12min, discharging after being cooled to again 42 ℃, obtain material, and place 20h;
The 3rd step: material is placed in to forcing machine and extrudes, extruding one section temperature of barrel is 157 ℃, and two sections temperature of barrel are 160 ℃, and three sections temperature of barrel are 162 ℃, and four sections temperature of barrel are 165 ℃, and the merging core temperature is 167 ℃, and die head temperature is 197 ℃;
The 4th step: be the 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
Embodiment 5
The modified PVC foamed wallboard, comprise the component of following mass fraction: 85 parts of polyvinyl chloride resins, 10 parts of paracrils, 24 parts, resol, 45 parts of deionized waters, 40 parts, potter's clay, 3.5 parts of chlorinatedpolyethylenees, 1 part of titanate coupling agent, 2 parts of organotin stabilizers, 1.5 parts of ACR401 modifiers, 5.5 parts of UV-531 photostabilizers, 0.5 part of whipping agent, 5 parts of foaming control agents, 0.4 part of barium stearate, 0.4 part of whiteruss.
The preparation method of modified PVC foamed wallboard, comprise the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, be warming up to 95 ℃, discharging after stirring 2h, centrifuge dehydration, drying obtain the modified PVC resin;
Second step: then potter's clay, coupling agent, modified PVC resin, resol, softening agent, coupling agent, thermo-stabilizer, modifier, photostabilizer, whipping agent, foaming control agent, barium stearate, whiteruss are mixed, be warming up to 112 ℃, insulation 12min, discharging after being cooled to again 42 ℃, obtain material, and place 20h;
The 3rd step: material is placed in to forcing machine and extrudes, extruding one section temperature of barrel is 157 ℃, and two sections temperature of barrel are 160 ℃, and three sections temperature of barrel are 162 ℃, and four sections temperature of barrel are 165 ℃, and the merging core temperature is 167 ℃, and die head temperature is 197 ℃;
The 4th step: be the 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
Embodiment 6
The modified PVC foamed wallboard, comprise the component of following mass fraction: 95 parts of polyvinyl chloride resins, 15 parts of paracrils, 29 parts, resol, 55 parts of deionized waters, 45 parts, potter's clay, 5 parts of chlorinatedpolyethylenees, 1.5 parts of titanate coupling agents, 3.5 parts of organotin stabilizers, 1.5～3 parts of ACR401 modifiers, 5.5～7 parts of UV-531 photostabilizers, 0.8 part of whipping agent, 10 parts of foaming control agents, 0.7 part of barium stearate, 0.4～0.6 part of whiteruss.
The preparation method of modified PVC foamed wallboard, comprise the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, be warming up to 95 ℃, discharging after stirring 2h, centrifuge dehydration, drying obtain the modified PVC resin;
Second step: then potter's clay, coupling agent, modified PVC resin, resol, softening agent, coupling agent, thermo-stabilizer, modifier, photostabilizer, whipping agent, foaming control agent, barium stearate, whiteruss are mixed, be warming up to 112 ℃, insulation 12min, discharging after being cooled to again 42 ℃, obtain material, and place 20h;
The 3rd step: material is placed in to forcing machine and extrudes, extruding one section temperature of barrel is 157 ℃, and two sections temperature of barrel are 160 ℃, and three sections temperature of barrel are 162 ℃, and four sections temperature of barrel are 165 ℃, and the merging core temperature is 167 ℃, and die head temperature is 197 ℃;
The 4th step: be the 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
Embodiment 7
The modified PVC foamed wallboard, comprise the component of following mass fraction: 90 parts of polyvinyl chloride resins, 12 parts of paracrils, 27 parts, resol, 50 parts of deionized waters, 42.5 parts, potter's clay, 4.2 parts of chlorinatedpolyethylenees, 1.3 parts of titanate coupling agents, 2.8 parts of complex lead salt stabilizers, 2.2 parts of ACR401 modifiers, 6.3 parts of titanium dioxides, 0.65 part of whipping agent, 8 parts of foaming control agents, 0.55 part of barium stearate, 0.5 part of whiteruss.
The preparation method of modified PVC foamed wallboard, comprise the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, be warming up to 95 ℃, discharging after stirring 2h, centrifuge dehydration, drying obtain the modified PVC resin;
Second step: then potter's clay, coupling agent, modified PVC resin, resol, softening agent, coupling agent, thermo-stabilizer, modifier, photostabilizer, whipping agent, foaming control agent, barium stearate, whiteruss are mixed, be warming up to 112 ℃, insulation 12min, discharging after being cooled to again 42 ℃, obtain material, and place 20h;
The 3rd step: material is placed in to forcing machine and extrudes, extruding one section temperature of barrel is 157 ℃, and two sections temperature of barrel are 160 ℃, and three sections temperature of barrel are 162 ℃, and four sections temperature of barrel are 165 ℃, and the merging core temperature is 167 ℃, and die head temperature is 197 ℃;
The 4th step: be the 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
Embodiment 8
The modified PVC foamed wallboard, comprise the component of following mass fraction: 90 parts of polyvinyl chloride resins, 12 parts of paracrils, 27 parts, resol, 50 parts of deionized waters, 42.5 parts, potter's clay, 4.2 parts of chlorinatedpolyethylenees, 1.3 parts of titanate coupling agents, 2.8 parts of complex lead salt stabilizers, 2.2 parts of ACR401 modifiers, 6.3 parts of titanium dioxides, 0.65 part of whipping agent, 8 parts of foaming control agents, 0.55 part of barium stearate, 0.5 part of whiteruss, 3.6 parts of antibacterial matrices.
The preparation method of modified PVC foamed wallboard, comprise the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, be warming up to 95 ℃, discharging after stirring 2h, centrifuge dehydration, drying obtain the modified PVC resin;
Second step: then potter's clay, coupling agent, modified PVC resin, resol, softening agent, coupling agent, thermo-stabilizer, modifier, photostabilizer, whipping agent, foaming control agent, barium stearate, whiteruss are mixed, be warming up to 112 ℃, insulation 12min, discharging after being cooled to again 42 ℃, obtain material, and place 20h;
The 3rd step: material is placed in to forcing machine and extrudes, extruding one section temperature of barrel is 157 ℃, and two sections temperature of barrel are 160 ℃, and three sections temperature of barrel are 162 ℃, and four sections temperature of barrel are 165 ℃, and the merging core temperature is 167 ℃, and die head temperature is 197 ℃;
The 4th step: be the 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
The present embodiment has added antibacterial matrices on the basis of embodiment 7, make the modified PVC foamed wallboard have antibiotic effect, is difficult for mouldy and damages by worms.
Embodiment 9
The modified PVC foamed wallboard, comprise the component of following mass fraction: 90 parts of polyvinyl chloride resins, 12 parts of paracrils, 27 parts, resol, 50 parts of deionized waters, 42.5 parts, potter's clay, 4.2 parts of chlorinatedpolyethylenees, 1.3 parts of titanate coupling agents, 2.8 parts of complex lead salt stabilizers, 2.2 parts of ACR401 modifiers, 6.3 parts of UV-531 photostabilizers, 0.65 part of whipping agent, 8 parts of foaming control agents, 0.55 part of barium stearate, 0.5 part of whiteruss, 3.6 parts of antibacterial matrices, 8 parts, plastics essence.
The preparation method of modified PVC foamed wallboard, comprise the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, be warming up to 95 ℃, discharging after stirring 2h, centrifuge dehydration, drying obtain the modified PVC resin;
Second step: then potter's clay, coupling agent, modified PVC resin, resol, softening agent, coupling agent, thermo-stabilizer, modifier, photostabilizer, whipping agent, foaming control agent, barium stearate, whiteruss are mixed, be warming up to 112 ℃, insulation 12min, discharging after being cooled to again 42 ℃, obtain material, and place 20h;
The 3rd step: material is placed in to forcing machine and extrudes, extruding one section temperature of barrel is 157 ℃, and two sections temperature of barrel are 160 ℃, and three sections temperature of barrel are 162 ℃, and four sections temperature of barrel are 165 ℃, and the merging core temperature is 167 ℃, and die head temperature is 197 ℃;
The 4th step: be the 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
The present embodiment has added plastics essence on the basis of embodiment 8, make the modified PVC foamed wallboard can be fragrant, when it uses as indoor decoration wall panel, and the people's that can releive mood.
Embodiment 10
The modified PVC foamed wallboard, comprise the component of following mass fraction: 90 parts of polyvinyl chloride resins, 12 parts of paracrils, 27 parts, resol, 50 parts of deionized waters, 42.5 parts, potter's clay, 4.2 parts of chlorinatedpolyethylenees, 1.3 parts of titanate coupling agents, 2.8 parts of calcium zinc stabilizers, 2.2 parts of ACR401 modifiers, 6.3 parts of titanium dioxides, 0.65 part of whipping agent, 8 parts of foaming control agents, 0.55 part of barium stearate, 0.5 part of whiteruss, 3.6 parts of antibacterial matrices, 8 parts, plastics essence, 26 parts of thermal discoloration type heat discoloration pigment.
The preparation method of modified PVC foamed wallboard, comprise the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, be warming up to 95 ℃, discharging after stirring 2h, centrifuge dehydration, drying obtain the modified PVC resin;
Second step: then potter's clay, coupling agent, modified PVC resin, resol, softening agent, coupling agent, thermo-stabilizer, modifier, photostabilizer, whipping agent, foaming control agent, barium stearate, whiteruss are mixed, be warming up to 112 ℃, insulation 12min, discharging after being cooled to again 42 ℃, obtain material, and place 20h;
The 3rd step: material is placed in to forcing machine and extrudes, extruding one section temperature of barrel is 157 ℃, and two sections temperature of barrel are 160 ℃, and three sections temperature of barrel are 162 ℃, and four sections temperature of barrel are 165 ℃, and the merging core temperature is 167 ℃, and die head temperature is 197 ℃;
The 4th step: be the 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
The present embodiment has added thermal discoloration type heat discoloration pigment on the basis of embodiment 9, can change the color of modified PVC foamed wallboard, while when temperature, from low temperature, rising to more than 18 ℃, wallboard becomes colorless from coloured, when temperature drops to below 22 ℃ from the high temperature temperature, wallboard becomes colouredly from colourless, meets people's sense organ requirement.
The technical performance index of the modified PVC foamed wallboard of above-described embodiment 1～embodiment 7, its detected result is as follows:
Detected result
Above modified PVC foamed wallboard that the embodiment of the present invention is provided and preparation method thereof is described in detail, for one of ordinary skill in the art, thought according to the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. modified PVC foamed wallboard, is characterized in that comprising the component of following mass fraction: 80～100 parts of polyvinyl chloride resins; 8～16 parts of paracrils; 20～32 parts, resol; 40～60 parts of deionized waters; 35～50 parts, potter's clay; 3～6 parts of chlorinatedpolyethylenees; 0.7～1.8 part of titanate coupling agent; 1.5～4 parts of calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizers; 1～3.5 part of ACR401 modifier; 4.5～8 parts of titanium dioxide or UV-531 photostabilizers; 0.25～1 part of whipping agent; 4～13 parts of foaming control agents; 0.2～1 part of barium stearate; 0.3～0.8 part of whiteruss.
2. modified PVC foamed wallboard according to claim 1, is characterized in that comprising the component of following mass fraction: 85～95 parts of polyvinyl chloride resins; 10～15 parts of paracrils; 24～29 parts, resol; 45～55 parts of deionized waters; 40～45 parts, potter's clay; 3.5～5 parts of chlorinatedpolyethylenees; 1～1.5 part of titanate coupling agent; 2～3.5 parts of calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizers; 1.5～3 parts of ACR401 modifiers; 5.5～7 parts of titanium dioxide or UV-531 photostabilizers; 0.5～0.8 part of whipping agent; 0.4～0.7 part of barium stearate; 0.4～0.6 part of whiteruss.
3. modified PVC foamed wallboard, is characterized in that comprising the component of following mass fraction: 80～100 parts of polyvinyl chloride resins; 8～16 parts of paracrils; 20～32 parts, resol; 40～60 parts of deionized waters; 35～50 parts, potter's clay; 3～6 parts of chlorinatedpolyethylenees; 0.7～1.8 part of titanate coupling agent; 1.5～4 parts of calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizers; 1～3.5 part of ACR401 modifier; 4.5～8 parts of titanium dioxide or UV-531 photostabilizers; 0.25～1 part of whipping agent; 4～13 parts of foaming control agents; 0.2～1 part of barium stearate; 0.3～0.8 part of whiteruss; 1.2～6 parts of antibacterial matrices.
4. modified PVC foamed wallboard, is characterized in that comprising the component of following mass fraction: 80～100 parts of polyvinyl chloride resins; 8～16 parts of paracrils; 20～32 parts, resol; 40～60 parts of deionized waters; 35～50 parts, potter's clay; 3～6 parts of chlorinatedpolyethylenees; 0.7～1.8 part of titanate coupling agent; 1.5～4 parts of calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizers; 1～3.5 part of ACR401 modifier; 4.5～8 parts of titanium dioxide or UV-531 photostabilizers; 0.25～1 part of whipping agent; 4～13 parts of foaming control agents; 0.2～1 part of barium stearate; 0.3～0.8 part of whiteruss; 1.2～6 parts of antibacterial matrices; 4～12 parts, plastics essence.
5. modified PVC foamed wallboard, is characterized in that comprising the component of following mass fraction: 80～100 parts of polyvinyl chloride resins; 8～16 parts of paracrils; 20～32 parts, resol; 40～60 parts of deionized waters; 35～50 parts, potter's clay; 3～6 parts of chlorinatedpolyethylenees; 0.7～1.8 part of titanate coupling agent; 1.5～4 parts of calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizers; 1～3.5 part of ACR401 modifier; 4.5～8 parts of titanium dioxide or UV-531 photostabilizers; 0.25～1 part of whipping agent; 4～13 parts of foaming control agents; 0.2～1 part of barium stearate; 0.3～0.8 part of whiteruss; 1.2～6 parts of antibacterial matrices; 4～12 parts, plastics essence; 22～30 parts of thermal discoloration type heat discoloration pigment.
6. modified PVC foamed wallboard according to claim 1, is characterized in that the discoloring temperature of described thermal discoloration type heat discoloration pigment is 18～22 ℃.
7. the preparation method of modified PVC foamed wallboard as claimed in claim 1, is characterized in that comprising the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, be warming up to 90～100 ℃, discharging after stirring 2h, centrifuge dehydration, drying obtain the modified PVC resin;
Second step: then potter's clay, coupling agent, modified PVC resin, resol, softening agent, coupling agent, thermo-stabilizer, modifier, photostabilizer, whipping agent, foaming control agent, barium stearate, whiteruss are mixed, be warming up to 110～115 ℃, insulation 10～15min, discharging after being cooled to again 40～45 ℃, obtain material, and place 20h;
The 3rd step: material is placed in to forcing machine and extrudes, extruding one section temperature of barrel is 155～160 ℃, two sections temperature of barrel are 158～163 ℃, three sections temperature of barrel are 160～165 ℃, four sections temperature of barrel are 163～168 ℃, the merging core temperature is 165～170 ℃, and die head temperature is 195～200 ℃;
The 4th step: be the 2-3.5w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
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