CN103396621B - Modified PVC foamed wallboard and preparation method thereof - Google Patents
Modified PVC foamed wallboard and preparation method thereof Download PDFInfo
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- CN103396621B CN103396621B CN201310295020.1A CN201310295020A CN103396621B CN 103396621 B CN103396621 B CN 103396621B CN 201310295020 A CN201310295020 A CN 201310295020A CN 103396621 B CN103396621 B CN 103396621B
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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
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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
- B29C2948/92876—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
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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
- B29C2948/92933—Conveying, transporting or storage of articles
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Abstract
The invention provides modified PVC foamed wallboard and preparation method thereof, this modified PVC foamed wallboard comprises the component of following mass fraction: polyvinyl chloride resin 80 ~ 100 parts; Paracril 8 ~ 16 parts; 20 ~ 32 parts, resol; Deionized water 40 ~ 60 parts; 35 ~ 50 parts, potter's clay; Chlorinatedpolyethylene 3 ~ 6 parts; Titanate coupling agent 0.7 ~ 1.8 part; Calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizer 1.5 ~ 4 parts; ACR401 modifier 1 ~ 3.5 part; Titanium dioxide or UV-531 photostabilizer 4.5 ~ 8 parts; Whipping agent 0.25 ~ 1 part; Foaming control agent 4 ~ 13 parts; Barium stearate 0.2 ~ 1 part; Whiteruss 0.3 ~ 0.8 part.Modified PVC foamed wallboard of the present invention, water tolerance, weathering resistance, rub resistance are good, have very strong toughness, and can prevent fires with anti-aging, and its preparation technology is simple.
Description
Technical field
The present invention relates to a kind of wallboard and preparation method thereof, particularly relate to modified PVC foamed wallboard and preparation method thereof.
Background technology
Along with the raising of people's living standard, people are more and more concerned about living environment, comprising the wallboard that building decoration uses.Wallboard not only needs to possess feature that is 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 being used for making wallboard has a lot, and as timber, stone material, PVC material etc., the wallboard that wherein PVC material makes has very large advantage.
PVC is one of industrial synthetic resins produced the earliest, and because it is cheap, starting material are easy to get, and is also one of three large plastics that consumption is maximum in the world.Because its electrical insulation properties is excellent, can 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.Meanwhile, 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 lining chemical industry making various storage tank, the corrugated panel of buildings, door and window structure, the construction timbers such as wall fitting thing.
When PVC wallboard uses as indoor wallboard, wallboard of the prior art only has a kind of fixing color, if use dark wallboard, people can be made to think that indoor are hotter in summer; If use the wallboard of light color, people can be made to think that indoor are colder in winter.This brings trouble when selecting wallboard color to people.
Although existing PVC wallboard is provided with enhanced water resistance, weathering resistance, rub resistance, its fire prevention and ageing resistance low, fragrance and antibacterial ability can not be possessed simultaneously.Such as 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, antibacterial, anti-aging and changeable colour; Chinese invention patent (the patent No. 200910100375.4, the applying date 2009/7/13) disclose environmental-friendly lead-free PVC ceiling sheet and manufacture method thereof and application, this sheet material has possessed good weatherability, flame retardant resistance is high, scrath resistance is strong, sound-insulating and heat-insulating and antibacterial feature, 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) disclose by the coordination cross-linked method preparing shock-resistant hard PVC material, PVC material prepared by it has toughness reinforcing, weathering resistance, ageing resistance feature, but does not possess the characteristic of fire prevention, antibacterial, changeable colour.
Summary of the invention
the technical problem solved:for the deficiency that existing PVC wallboard exists, the invention provides modified PVC foamed wallboard and preparation method thereof, this wallboard not only possesses the feature of enhanced water resistance, weathering resistance, rub resistance, also possesses fire prevention, resistance to deterioration, antibacterial and changeable colour performance.
technical scheme:the invention provides modified PVC foamed wallboard, comprise the component of following mass fraction: polyvinyl chloride resin 80 ~ 100 parts; Paracril 8 ~ 16 parts; 20 ~ 32 parts, resol; Deionized water 40 ~ 60 parts; 35 ~ 50 parts, potter's clay; Chlorinatedpolyethylene 3 ~ 6 parts; Titanate coupling agent 0.7 ~ 1.8 part; Calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizer 1.5 ~ 4 parts; ACR401 modifier 1 ~ 3.5 part; Titanium dioxide or UV-531 photostabilizer 4.5 ~ 8 parts; Whipping agent 0.25 ~ 1 part; Foaming control agent 4 ~ 13 parts; Barium stearate 0.2 ~ 1 part; Whiteruss 0.3 ~ 0.8 part.
Modified PVC foamed wallboard described above, comprises the component of following mass fraction: polyvinyl chloride resin 85 ~ 95 parts; Paracril 10 ~ 15 parts; 24 ~ 29 parts, resol; Deionized water 45 ~ 55 parts; 40 ~ 45 parts, potter's clay; Chlorinatedpolyethylene 3.5 ~ 5 parts; Titanate coupling agent 1 ~ 1.5 part; Calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizer 2 ~ 3.5 parts; ACR401 modifier 1.5 ~ 3 parts; Titanium dioxide or UV-531 photostabilizer 5.5 ~ 7 parts; Whipping agent 0.5 ~ 0.8 part; Barium stearate 0.4 ~ 0.7 part; Whiteruss 0.4 ~ 0.6 part.
Modified PVC foamed wallboard, comprises the component of following mass fraction: polyvinyl chloride resin 80 ~ 100 parts; Paracril 8 ~ 16 parts; 20 ~ 32 parts, resol; Deionized water 40 ~ 60 parts; 35 ~ 50 parts, potter's clay; Chlorinatedpolyethylene 3 ~ 6 parts; Titanate coupling agent 0.7 ~ 1.8 part; Calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizer 1.5 ~ 4 parts; ACR401 modifier 1 ~ 3.5 part; Titanium dioxide or UV-531 photostabilizer 4.5 ~ 8 parts; Whipping agent 0.25 ~ 1 part; Foaming control agent 4 ~ 13 parts; Barium stearate 0.2 ~ 1 part; Whiteruss 0.3 ~ 0.8 part; Antibacterial matrices 1.2 ~ 6 parts.
Modified PVC foamed wallboard, comprises the component of following mass fraction: polyvinyl chloride resin 80 ~ 100 parts; Paracril 8 ~ 16 parts; 20 ~ 32 parts, resol; Deionized water 40 ~ 60 parts; 35 ~ 50 parts, potter's clay; Chlorinatedpolyethylene 3 ~ 6 parts; Titanate coupling agent 0.7 ~ 1.8 part; Calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizer 1.5 ~ 4 parts; ACR401 modifier 1 ~ 3.5 part; Titanium dioxide or UV-531 photostabilizer 4.5 ~ 8 parts; Whipping agent 0.25 ~ 1 part; Foaming control agent 4 ~ 13 parts; Barium stearate 0.2 ~ 1 part; Whiteruss 0.3 ~ 0.8 part; Antibacterial matrices 1.2 ~ 6 parts; Plastic essence 4 ~ 12 parts.
Modified PVC foamed wallboard, comprises the component of following mass fraction: polyvinyl chloride resin 80 ~ 100 parts; Paracril 8 ~ 16 parts; 20 ~ 32 parts, resol; Deionized water 40 ~ 60 parts; 35 ~ 50 parts, potter's clay; Chlorinatedpolyethylene 3 ~ 6 parts; Titanate coupling agent 0.7 ~ 1.8 part; Calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizer 1.5 ~ 4 parts; ACR401 modifier 1 ~ 3.5 part; Titanium dioxide or UV-531 photostabilizer 4.5 ~ 8 parts; Whipping agent 0.25 ~ 1 part; Foaming control agent 4 ~ 13 parts; Barium stearate 0.2 ~ 1 part; Whiteruss 0.3 ~ 0.8 part; Antibacterial matrices 1.2 ~ 6 parts; Plastic essence 4 ~ 12 parts; Thermal discoloration type heat discoloration pigment 22 ~ 30 parts.
The discoloring temperature of thermal discoloration type heat discoloration pigment described above is 18 ~ 22 DEG C.
The preparation method of modified PVC foamed wallboard, comprises the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, is warming up to 90 ~ 100 DEG C, discharging after stirring 2h, and centrifuge dehydration, drying obtain modified PVC resin;
Second step: then by 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 mixing, be warming up to 110 ~ 115 DEG C, insulation 10 ~ 15min, discharging after being cooled to 40 ~ 45 DEG C again, obtain material, and place 20h;
3rd step: material is placed in forcing machine and extrudes, extruding barrel one section of temperature is 155 ~ 160 DEG C, barrel two sections of temperature are 158 ~ 163 DEG C, barrel three sections of temperature are 160 ~ 165 DEG C, barrel four sections of temperature are 163 ~ 168 DEG C, merging core temperature is 165 ~ 170 DEG C, and die head temperature is 195 ~ 200 DEG C;
4th step: be 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. the adding of paracril and deionized water, the toughness of polyvinyl chloride resin can be increased, the tensile strength of wallboard, thermotolerance and hardness can also be increased;
2. make wallboard have performance that is fire-resistant, rub resistance adding of resol;
3. potter's clay is as weighting agent, makes wallboard have sound insulation, water-permeable and air permeable, corrosion resistant performance;
4. photostabilizer add the light fastness adding wallboard, make wallboard color sustained;
5. antibacterial matrices and adding of plastic essence make wallboard have antibacterial and odoriferous function;
6. thermal discoloration type heat discoloration pigment can change the color of wallboard, and when temperature rises to more than 18 DEG C from low temperature, wallboard becomes colorless from coloured, when temperature drops to below 22 DEG C from high temperature temperature, wallboard from colourless become coloured;
7. wallboard of the present invention has possessed obdurability, water tolerance, weathering resistance, rub resistance, also there is fire-resistant and aging-resistant performance, there is changeable colour, antibacterial and odoriferous feature simultaneously, its tensile strength is 69.1 ~ 70.1MPa, flexural strength is 68.3 ~ 69.4MPa, modulus in flexure is 2710 ~ 2758MPa, frictional coefficient is 0.62 ~ 0.68, flame retardant effect reaches 1 grade, 5h is placed unchanged at 80 DEG C or-60 DEG C, unchanged after being soaked in water 80 days, Exposure to Sunlight after 70 days color constant, be suitable as the wallboard of indoor or outdoor.
Embodiment
embodiment 1
Modified PVC foamed wallboard, comprises the component of following mass fraction: polyvinyl chloride resin 80 parts, paracril 8 parts, 20 parts, resol, deionized water 40 parts, 35 parts, potter's clay, chlorinatedpolyethylene 3 parts, titanate coupling agent 0.7 part, calcium zinc stabilizer 1.5 parts, ACR401 modifier 1 part, titanium dioxide 4.5 parts, whipping agent 0.25 part, foaming control agent 4 parts, barium stearate 0.2 part, whiteruss 0.3 part.
The preparation method of modified PVC foamed wallboard, comprises the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, is warming up to 90 DEG C, discharging after stirring 2h, and centrifuge dehydration, drying obtain modified PVC resin;
Second step: then by 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 mixing, be warming up to 110 DEG C, insulation 10min, discharging after being cooled to 40 DEG C again, obtain material, and place 20h;
3rd step: material is placed in forcing machine and extrudes, extruding barrel one section of temperature is 155 DEG C, and barrel two sections of temperature are 158 DEG C, and barrel three sections of temperature are 160 DEG C, and barrel four sections of temperature are 163 DEG C, and merging core temperature is 165 DEG C, and die head temperature is 195 DEG C;
4th step: be 2w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
embodiment 2
Modified PVC foamed wallboard, comprises the component of following mass fraction: polyvinyl chloride resin 100 parts, paracril 16 parts, 32 parts, resol, deionized water 60 parts, 50 parts, potter's clay, chlorinatedpolyethylene 6 parts, titanate coupling agent 1.8 parts, calcium zinc stabilizer 4 parts, ACR401 modifier 3.5 parts, titanium dioxide 8 parts, whipping agent 1 part, foaming control agent 13 parts, barium stearate 1 part, whiteruss 0.8 part.
The preparation method of modified PVC foamed wallboard, comprises the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, is warming up to 100 DEG C, discharging after stirring 2h, and centrifuge dehydration, drying obtain modified PVC resin;
Second step: then by 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 mixing, be warming up to 115 DEG C, insulation 15min, discharging after being cooled to 45 DEG C again, obtain material, and place 20h;
3rd step: material is placed in forcing machine and extrudes, extruding barrel one section of temperature is 160 DEG C, and barrel two sections of temperature are 163 DEG C, and barrel three sections of temperature are 165 DEG C, and barrel four sections of temperature are 168 DEG C, and merging core temperature is 170 DEG C, and die head temperature is 200 DEG C;
4th step: be 3.5w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
embodiment 3
Modified PVC foamed wallboard comprises the component of following mass fraction: polyvinyl chloride resin 83 parts, paracril 9 parts, 21 parts, resol, deionized water 43 parts, 37 parts, potter's clay, chlorinatedpolyethylene 3.3 parts, titanate coupling agent 0.9 part, calcium zinc stabilizer 1.8 parts, ACR401 modifier 1.3 parts, titanium dioxide 5.2 parts, whipping agent 0.4 part, foaming control agent 4.7 parts, barium stearate 0.31 part, whiteruss 0.35 part.
The preparation method of modified PVC foamed wallboard, comprises the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, is warming up to 95 DEG C, discharging after stirring 2h, and centrifuge dehydration, drying obtain modified PVC resin;
Second step: then by 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 mixing, be warming up to 112 DEG C, insulation 12min, discharging after being cooled to 42 DEG C again, obtain material, and place 20h;
3rd step: material is placed in forcing machine and extrudes, extruding barrel one section of temperature is 157 DEG C, and barrel two sections of temperature are 160 DEG C, and barrel three sections of temperature are 162 DEG C, and barrel four sections of temperature are 165 DEG C, and merging core temperature is 167 DEG C, and die head temperature is 197 DEG C;
4th step: be 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
embodiment 4
Modified PVC foamed wallboard, comprises the component of following mass fraction: polyvinyl chloride resin 97 parts, paracril 15.5 parts, 30 parts, resol, deionized water 52 parts, 46 parts, potter's clay, chlorinatedpolyethylene 5.4 parts, titanate coupling agent 1.65 parts, organotin stabilizer 3.8 parts, ACR401 modifier 3.3 parts, UV-531 photostabilizer 7.2 parts, whipping agent 0.92 part, foaming control agent 12 parts, barium stearate 0.88 part, whiteruss 0.7 part.
The preparation method of modified PVC foamed wallboard, comprises the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, is warming up to 95 DEG C, discharging after stirring 2h, and centrifuge dehydration, drying obtain modified PVC resin;
Second step: then by 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 mixing, be warming up to 112 DEG C, insulation 12min, discharging after being cooled to 42 DEG C again, obtain material, and place 20h;
3rd step: material is placed in forcing machine and extrudes, extruding barrel one section of temperature is 157 DEG C, and barrel two sections of temperature are 160 DEG C, and barrel three sections of temperature are 162 DEG C, and barrel four sections of temperature are 165 DEG C, and merging core temperature is 167 DEG C, and die head temperature is 197 DEG C;
4th step: be 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
embodiment 5
Modified PVC foamed wallboard, comprises the component of following mass fraction: polyvinyl chloride resin 85 parts, paracril 10 parts, 24 parts, resol, deionized water 45 parts, 40 parts, potter's clay, chlorinatedpolyethylene 3.5 parts, titanate coupling agent 1 part, organotin stabilizer 2 parts, ACR401 modifier 1.5 parts, UV-531 photostabilizer 5.5 parts, whipping agent 0.5 part, foaming control agent 5 parts, barium stearate 0.4 part, whiteruss 0.4 part.
The preparation method of modified PVC foamed wallboard, comprises the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, is warming up to 95 DEG C, discharging after stirring 2h, and centrifuge dehydration, drying obtain modified PVC resin;
Second step: then by 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 mixing, be warming up to 112 DEG C, insulation 12min, discharging after being cooled to 42 DEG C again, obtain material, and place 20h;
3rd step: material is placed in forcing machine and extrudes, extruding barrel one section of temperature is 157 DEG C, and barrel two sections of temperature are 160 DEG C, and barrel three sections of temperature are 162 DEG C, and barrel four sections of temperature are 165 DEG C, and merging core temperature is 167 DEG C, and die head temperature is 197 DEG C;
4th step: be 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
embodiment 6
Modified PVC foamed wallboard, comprises the component of following mass fraction: polyvinyl chloride resin 95 parts, paracril 15 parts, 29 parts, resol, deionized water 55 parts, 45 parts, potter's clay, chlorinatedpolyethylene 5 parts, titanate coupling agent 1.5 parts, organotin stabilizer 3.5 parts, ACR401 modifier 1.5 ~ 3 parts, UV-531 photostabilizer 5.5 ~ 7 parts, whipping agent 0.8 part, foaming control agent 10 parts, barium stearate 0.7 part, whiteruss 0.4 ~ 0.6 part.
The preparation method of modified PVC foamed wallboard, comprises the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, is warming up to 95 DEG C, discharging after stirring 2h, and centrifuge dehydration, drying obtain modified PVC resin;
Second step: then by 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 mixing, be warming up to 112 DEG C, insulation 12min, discharging after being cooled to 42 DEG C again, obtain material, and place 20h;
3rd step: material is placed in forcing machine and extrudes, extruding barrel one section of temperature is 157 DEG C, and barrel two sections of temperature are 160 DEG C, and barrel three sections of temperature are 162 DEG C, and barrel four sections of temperature are 165 DEG C, and merging core temperature is 167 DEG C, and die head temperature is 197 DEG C;
4th step: be 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
embodiment 7
Modified PVC foamed wallboard, comprises the component of following mass fraction: polyvinyl chloride resin 90 parts, paracril 12 parts, 27 parts, resol, deionized water 50 parts, 42.5 parts, potter's clay, chlorinatedpolyethylene 4.2 parts, titanate coupling agent 1.3 parts, complex lead salt stabilizer 2.8 parts, ACR401 modifier 2.2 parts, titanium dioxide 6.3 parts, whipping agent 0.65 part, foaming control agent 8 parts, barium stearate 0.55 part, whiteruss 0.5 part.
The preparation method of modified PVC foamed wallboard, comprises the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, is warming up to 95 DEG C, discharging after stirring 2h, and centrifuge dehydration, drying obtain modified PVC resin;
Second step: then by 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 mixing, be warming up to 112 DEG C, insulation 12min, discharging after being cooled to 42 DEG C again, obtain material, and place 20h;
3rd step: material is placed in forcing machine and extrudes, extruding barrel one section of temperature is 157 DEG C, and barrel two sections of temperature are 160 DEG C, and barrel three sections of temperature are 162 DEG C, and barrel four sections of temperature are 165 DEG C, and merging core temperature is 167 DEG C, and die head temperature is 197 DEG C;
4th step: be 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
embodiment 8
Modified PVC foamed wallboard, comprises the component of following mass fraction: polyvinyl chloride resin 90 parts, paracril 12 parts, 27 parts, resol, deionized water 50 parts, 42.5 parts, potter's clay, chlorinatedpolyethylene 4.2 parts, titanate coupling agent 1.3 parts, complex lead salt stabilizer 2.8 parts, ACR401 modifier 2.2 parts, titanium dioxide 6.3 parts, whipping agent 0.65 part, foaming control agent 8 parts, barium stearate 0.55 part, whiteruss 0.5 part, antibacterial matrices 3.6 parts.
The preparation method of modified PVC foamed wallboard, comprises the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, is warming up to 95 DEG C, discharging after stirring 2h, and centrifuge dehydration, drying obtain modified PVC resin;
Second step: then by 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 mixing, be warming up to 112 DEG C, insulation 12min, discharging after being cooled to 42 DEG C again, obtain material, and place 20h;
3rd step: material is placed in forcing machine and extrudes, extruding barrel one section of temperature is 157 DEG C, and barrel two sections of temperature are 160 DEG C, and barrel three sections of temperature are 162 DEG C, and barrel four sections of temperature are 165 DEG C, and merging core temperature is 167 DEG C, and die head temperature is 197 DEG C;
4th step: be 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
The present embodiment adds antibacterial matrices on the basis of embodiment 7, makes modified PVC foamed wallboard be provided with antibacterial effect, not easily mouldy and damage by worms.
embodiment 9
Modified PVC foamed wallboard, comprises the component of following mass fraction: polyvinyl chloride resin 90 parts, paracril 12 parts, 27 parts, resol, deionized water 50 parts, 42.5 parts, potter's clay, chlorinatedpolyethylene 4.2 parts, titanate coupling agent 1.3 parts, complex lead salt stabilizer 2.8 parts, ACR401 modifier 2.2 parts, UV-531 photostabilizer 6.3 parts, whipping agent 0.65 part, foaming control agent 8 parts, barium stearate 0.55 part, whiteruss 0.5 part, antibacterial matrices 3.6 parts, plastic essence 8 parts.
The preparation method of modified PVC foamed wallboard, comprises the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, is warming up to 95 DEG C, discharging after stirring 2h, and centrifuge dehydration, drying obtain modified PVC resin;
Second step: then by 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 mixing, be warming up to 112 DEG C, insulation 12min, discharging after being cooled to 42 DEG C again, obtain material, and place 20h;
3rd step: material is placed in forcing machine and extrudes, extruding barrel one section of temperature is 157 DEG C, and barrel two sections of temperature are 160 DEG C, and barrel three sections of temperature are 162 DEG C, and barrel four sections of temperature are 165 DEG C, and merging core temperature is 167 DEG C, and die head temperature is 197 DEG C;
4th step: be 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
The present embodiment adds plastic essence on the basis of embodiment 8, makes modified PVC foamed wallboard can be fragrant, when it uses as indoor decoration wall panel, and the mood of the people that can releive.
embodiment 10
Modified PVC foamed wallboard, comprises the component of following mass fraction: polyvinyl chloride resin 90 parts, paracril 12 parts, 27 parts, resol, deionized water 50 parts, 42.5 parts, potter's clay, chlorinatedpolyethylene 4.2 parts, titanate coupling agent 1.3 parts, calcium zinc stabilizer 2.8 parts, ACR401 modifier 2.2 parts, titanium dioxide 6.3 parts, whipping agent 0.65 part, foaming control agent 8 parts, barium stearate 0.55 part, whiteruss 0.5 part, antibacterial matrices 3.6 parts, plastic essence 8 parts, thermal discoloration type heat discoloration pigment 26 parts.
The preparation method of modified PVC foamed wallboard, comprises the steps:
The first step: by polyvinyl chloride resin, paracril and deionized water, is warming up to 95 DEG C, discharging after stirring 2h, and centrifuge dehydration, drying obtain modified PVC resin;
Second step: then by 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 mixing, be warming up to 112 DEG C, insulation 12min, discharging after being cooled to 42 DEG C again, obtain material, and place 20h;
3rd step: material is placed in forcing machine and extrudes, extruding barrel one section of temperature is 157 DEG C, and barrel two sections of temperature are 160 DEG C, and barrel three sections of temperature are 162 DEG C, and barrel four sections of temperature are 165 DEG C, and merging core temperature is 167 DEG C, and die head temperature is 197 DEG C;
4th step: be 2.8w/wm compacted under in pulling speed after extruding, obtain modified PVC foamed wallboard finished product.
The present embodiment adds thermal discoloration type heat discoloration pigment on the basis of embodiment 9, the color of modified PVC foamed wallboard can be changed, when temperature rises to more than 18 DEG C from low temperature, wallboard becomes colorless from coloured, when temperature drops to below 22 DEG C from high temperature temperature, wallboard becomes coloured from colourless, meets the organoleptic requirements of people.
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 provides and preparation method thereof is described in detail, for one of ordinary skill in the art, according to the thought of 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 (5)
1. modified PVC foamed wallboard, is characterized in that the feed composition comprising following mass fraction: polyvinyl chloride resin 80 ~ 100 parts; Paracril 8 ~ 16 parts; 20 ~ 32 parts, resol; Deionized water 40 ~ 60 parts; 35 ~ 50 parts, potter's clay; Chlorinatedpolyethylene 3 ~ 6 parts; Titanate coupling agent 0.7 ~ 1.8 part; Calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizer 1.5 ~ 4 parts; ACR401 modifier 1 ~ 3.5 part; Titanium dioxide or UV-531 photostabilizer 4.5 ~ 8 parts; Whipping agent 0.25 ~ 1 part; Foaming control agent 4 ~ 13 parts; Barium stearate 0.2 ~ 1 part; Whiteruss 0.3 ~ 0.8 part.
2. modified PVC foamed wallboard, is characterized in that the feed composition comprising following mass fraction: polyvinyl chloride resin 80 ~ 100 parts; Paracril 8 ~ 16 parts; 20 ~ 32 parts, resol; Deionized water 40 ~ 60 parts; 35 ~ 50 parts, potter's clay; Chlorinatedpolyethylene 3 ~ 6 parts; Titanate coupling agent 0.7 ~ 1.8 part; Calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizer 1.5 ~ 4 parts; ACR401 modifier 1 ~ 3.5 part; Titanium dioxide or UV-531 photostabilizer 4.5 ~ 8 parts; Whipping agent 0.25 ~ 1 part; Foaming control agent 4 ~ 13 parts; Barium stearate 0.2 ~ 1 part; Whiteruss 0.3 ~ 0.8 part; Antibacterial matrices 1.2 ~ 6 parts.
3. modified PVC foamed wallboard, is characterized in that the feed composition comprising following mass fraction: polyvinyl chloride resin 80 ~ 100 parts; Paracril 8 ~ 16 parts; 20 ~ 32 parts, resol; Deionized water 40 ~ 60 parts; 35 ~ 50 parts, potter's clay; Chlorinatedpolyethylene 3 ~ 6 parts; Titanate coupling agent 0.7 ~ 1.8 part; Calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizer 1.5 ~ 4 parts; ACR401 modifier 1 ~ 3.5 part; Titanium dioxide or UV-531 photostabilizer 4.5 ~ 8 parts; Whipping agent 0.25 ~ 1 part; Foaming control agent 4 ~ 13 parts; Barium stearate 0.2 ~ 1 part; Whiteruss 0.3 ~ 0.8 part; Antibacterial matrices 1.2 ~ 6 parts; Plastic essence 4 ~ 12 parts.
4. modified PVC foamed wallboard, is characterized in that the feed composition comprising following mass fraction: polyvinyl chloride resin 80 ~ 100 parts; Paracril 8 ~ 16 parts; 20 ~ 32 parts, resol; Deionized water 40 ~ 60 parts; 35 ~ 50 parts, potter's clay; Chlorinatedpolyethylene 3 ~ 6 parts; Titanate coupling agent 0.7 ~ 1.8 part; Calcium zinc stabilizer, organotin stabilizer or complex lead salt stabilizer 1.5 ~ 4 parts; ACR401 modifier 1 ~ 3.5 part; Titanium dioxide or UV-531 photostabilizer 4.5 ~ 8 parts; Whipping agent 0.25 ~ 1 part; Foaming control agent 4 ~ 13 parts; Barium stearate 0.2 ~ 1 part; Whiteruss 0.3 ~ 0.8 part; Antibacterial matrices 1.2 ~ 6 parts; Plastic essence 4 ~ 12 parts; Thermal discoloration type heat discoloration pigment 22 ~ 30 parts.
5. modified PVC foamed wallboard according to claim 4, is characterized in that the discoloring temperature of described thermal discoloration type heat discoloration pigment is 18 ~ 22 DEG C.
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