CN105038014A - Acid-and-alkali-resistant PVC plastic wood plank and preparing method thereof - Google Patents
Acid-and-alkali-resistant PVC plastic wood plank and preparing method thereof Download PDFInfo
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- CN105038014A CN105038014A CN201510439091.3A CN201510439091A CN105038014A CN 105038014 A CN105038014 A CN 105038014A CN 201510439091 A CN201510439091 A CN 201510439091A CN 105038014 A CN105038014 A CN 105038014A
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Abstract
The invention discloses an acid-and-alkali-resistant PVC plastic wood plank. The acid-and-alkali-resistant PVC plastic wood plank comprises, by weight, 100 parts of PVC SG-5, 8-10 parts of saw powder with the granularity of 600-mesh to 800-mesh, 1-3 parts of calcium-zinc stabilizer, 0.5-1 part of AC foaming agent, 0.3-0.6 part of sodium bicarbonate, 4-6 parts of MMA/acrylate copolymer, 2-3 parts of EVA, 0.2-0.4 part of polyethylene wax, 0.2-0.4 part of zinc stearate, 0.3-0.5 part of calcium stearate, 0.2-0.3 part of OK 60, 3-4 parts of PVC foaming adjusting agent ZB-530, 0.3-0.5 part of zirconium oxide, 4-6 parts of bauxite resistant to acid and alkali, 2-5 parts of magnesium hydrate, 5-8 parts of aluminum hydroxide, 2-4 parts of zinc borate and 30-40 parts of modified nano-calcium carbonate. Extrusion shaping is conducted through a common extruder. The acid-and-alkali-resistant PVC plastic wood plank has good acid-and-alkali-resistant performance and very high impact resistance and tensile strength, and has the advantages of being resistant to chemical corrosion and low in cost.
Description
Technical field
The present invention relates to PVC board field, be specifically related to a kind of acid and alkali-resistance PVC plastic wood plank and preparation method thereof.
Background technology
The occasion that wood plastic composite is having is called Wood plastic composite, WoodPlasticComposite is called in many foreign data, being called for short WPC. wood plastic composite is add a small amount of chemical additive and filler, through a kind of matrix material that special Compounders is processed into plastics and xylon natural fibers such as (or) rice husk, wheat straw, corn stalk, Pericarppium arachidis hypogaeaes.It has both the principal feature of plastics and timber, can at many occasion substituted for plastic and timber, and this, concerning the serious deficient China of timber resources, has great Development volue.
A large amount of polarity C-Cl keys is had in polyvinyl chloride resin molecular chain structure in PVC wood plastic composite sheet, larger reactive force is there is between molecule, therefore relative to other resins for universal use, PVC belongs to hard and fragile material, shock strength is lower, and there is notch sensitivity, by embrittlement easy during external impacts, be difficult to be used as structured material.These shortcomings significantly limit the development of PVC in high-performance field, for expanding its range of application, need to carry out toughening modifying to hard PVC.Conventional elastic body toughening agent can better improve its shock resistance, but significantly can reduce the rigidity of material itself simultaneously.Needing research by reaching the modification of stopping composition when not reducing the tensile strength of PVC material own, significantly improving the impact property of PVC.
Summary of the invention
The invention provides a kind of acid and alkali-resistance PVC plastic wood plank and preparation method thereof.PVC plastic wood plank of the present invention has that density is high, shock strength is high, the feature of waterproof and dampproof, nonpoisonous and tasteless, ageing-resistant, fire-retardant acid and alkali-resistance.
The technical solution used in the present invention is as follows:
A kind of acid and alkali-resistance PVC plastic wood plank, it is characterized in that, be made up of the component raw material of following weight part: PVCSG-5100, granularity is 600-800 object sawdust powder 8-10, calcium zinc stabilizer 1-3, AC whipping agent 0.5-1, sodium bicarbonate 0.3-0.6, MMA/ acrylate copolymer 4-6, EVA2-3, polyethylene wax 0.2-0.4, Zinic stearas 0.2-0.4, calcium stearate 0.3-0.5, OK600.2-0.3, PVC foam conditioning agent ZB-5303-4, zirconium white 0.3-0.5, bauxitic clay 4-6, magnesium hydroxide 2-5, aluminium hydroxide 5-8, zinc borate 2-4, modified nano calcium carbonate 30-40,
The preparation method of described modified nano calcium carbonate: (1) weighs by weight and gets nano-calcium carbonate 90-100, zinc oxide 3-4, vinylbenzene 10-20, vinylformic acid 20-25, butyl acrylate 30-35, methyl methacrylate 30-40, tertbutyl peroxide 1-2, xitix 1-2, chlorinatedpolyethylene 3-4, oxidation inhibitor four (β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester 1-1.5, tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester 1-1.5, deionized water 40-50, Sodium dodecylbenzene sulfonate 0.3-0.5;
(2) by deionized water, Sodium dodecylbenzene sulfonate, propyl alcohol joins in reactor, stir, and be warmed up to 70-80 DEG C, add vinylbenzene, butyl acrylate, vinylformic acid, methyl methacrylate successively, abundant stirring 10-15min, drip under whipped state concentration be 3% t-butyl hydroperoxide ethanolic soln and concentration be the ascorbic acid solution of 5%, time for adding is 2-2.5h, dropping terminates rear continuation reaction 4-5h, regulate the pH of reaction product between 6-7 with soda ash, obtain properties-correcting agent emulsion;
(3) at 75-80 DEG C, properties-correcting agent emulsion is joined homogenizer, add the nano-calcium carbonate of formula ratio, chlorinatedpolyethylene, oxidation inhibitor four (β-(3 wherein successively, 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester, tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester, at the speed high-speed stirring 30-40min of 800-1000rpm, add zinc oxide and all the other components of formula ratio again, high-speed stirring 20-30min, then dry, obtain modified nano calcium carbonate.
Described a kind of acid and alkali-resistance PVC plastic wood plank, it is characterized in that, be made up of the component raw material of following weight part: PVCSG-5100, granularity are 600-800 object sawdust powder 9, calcium zinc stabilizer 2, AC whipping agent 0.7, sodium bicarbonate 0.4, MMA/ acrylate copolymer 5, EVA2, polyethylene wax 0.3, Zinic stearas 0.3, calcium stearate 0.4, OK600.2, PVC foam conditioning agent ZB-5303.5, zirconium white 0.4, bauxitic clay 5, magnesium hydroxide 4, aluminium hydroxide 6, zinc borate 3, modified nano calcium carbonate 35.
The preparation method of described a kind of acid and alkali-resistance PVC plastic wood plank, is characterized in that: comprise the following steps:
(1) each component raw material is taken by formula rate:
(2) first PVCSG-5, sawdust powder and calcium zinc stabilizer are joined in high-speed mixer and carry out 400-450 and turn/min stirring at low speed mixing, material is by nature temperature arrising caused by friction;
(3) when temperature rises to 60 DEG C, add polyethylene wax, OK60, change 800-900 into turn/min high-speed mixing;
(4) when temperature rises to 80 DEG C, add modified nano calcium carbonate, AC whipping agent, sodium bicarbonate, MMA/ acrylate copolymer, EVA, Zinic stearas, calcium stearate, PVC foam adjust ZB-530, zirconium white, bauxitic clay, magnesium hydroxide, aluminium hydroxide, zinc borate, modified nano calcium carbonate, with 1000-1500 turn/min continues high-speed mixing;
(5) when temperature rises to 110-120 DEG C, form even dry mix, stop being uniformly mixed;
(6) send into forcing machine after dried material being cooled to 40 DEG C-50 DEG C and carry out extrusion moulding;
The barrel temperature of described forcing machine, the direction of propulsion along described material be followed successively by 155-160 DEG C, 160-170 DEG C, 170-175 DEG C, 175-180 DEG C;
The forming mould temperature of described forcing machine, the direction of propulsion along described material be followed successively by 140-145 DEG C, 145-150 DEG C, 150-155 DEG C, 160-165 DEG C, 165-170 DEG C.
Beneficial effect:
PVC board of the present invention has resist chemical, cost is low, resistance to acids and bases is strong, and the shock resistance of sheet material and the good feature of tensile strength, be added with in formula zirconium white, bauxitic clay, magnesium hydroxide, aluminium hydroxide, zinc borate composition composite flame-retardant agent with the use of self-control modified nano calcium carbonate interpolation improve PVC board shock resistance while do not reduce PVC material pulls intensity, can also improve the processing characteristics of sheet material, calcium zinc stabilizer adds the weather resistance effectively increasing sheet material simultaneously.Therefore PVC board of the present invention has good resistance to chemical corrosion, has very high shock resistance and tensile strength simultaneously.
Embodiment
A kind of acid and alkali-resistance PVC plastic wood plank, be made up of the component raw material of following weight (kg): PVCSG-5100, granularity are 600-800 object sawdust powder 9, calcium zinc stabilizer 2, AC whipping agent 0.7, sodium bicarbonate 0.4, MMA/ acrylate copolymer 5, EVA2, polyethylene wax 0.3, Zinic stearas 0.3, calcium stearate 0.4, OK600.2, PVC foam conditioning agent ZB-5303.5, zirconium white 0.4, bauxitic clay 5, magnesium hydroxide 4, aluminium hydroxide 6, zinc borate 3, modified nano calcium carbonate 35
Wherein, the preparation method of modified nano calcium carbonate: (1) weighs by weight and gets nano-calcium carbonate 98, zinc oxide 3, vinylbenzene 15, vinylformic acid 23, butyl acrylate 34, methyl methacrylate 33, tertbutyl peroxide 1.5, xitix 1.5, chlorinatedpolyethylene 3.5, oxidation inhibitor four (β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester 1.2, tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester 1.3, deionized water 45, Sodium dodecylbenzene sulfonate 0.4;
(2) by deionized water, Sodium dodecylbenzene sulfonate, propyl alcohol joins in reactor, stir, and be warmed up to 75 DEG C, add vinylbenzene, butyl acrylate, vinylformic acid, methyl methacrylate successively, abundant stirring 14min, drip under whipped state concentration be 3% t-butyl hydroperoxide ethanolic soln and concentration be the ascorbic acid solution of 5%, time for adding is 2.4h, dropping terminates rear continuation reaction 5h, regulate the pH of reaction product between 6-7 with soda ash, obtain properties-correcting agent emulsion;
(3) at 78 DEG C, properties-correcting agent emulsion is joined homogenizer, add the nano-calcium carbonate of formula ratio, chlorinatedpolyethylene, oxidation inhibitor four (β-(3 wherein successively, 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester, tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester, at the speed high-speed stirring 35min of 900rpm, add zinc oxide and all the other components of formula ratio again, high-speed stirring 25min, then dry, obtain modified nano calcium carbonate.
Wherein, the particle diameter of corn stalk powder is less than 300 orders.
The preparation method of acid and alkali-resistance PVC plastic wood plank, comprises the following steps:
(1) each component raw material is taken by formula rate;
(2) first PVC-1300, PVC-1000, C 9 petroleum resin, corn stalk powder and calcium zinc stabilizer are joined in high-speed mixer and carry out 400-450 and turn/min stirring at low speed mixing, material is by nature temperature arrising caused by friction;
(3) when temperature rises to 60 DEG C, add Microcrystalline Wax, change 900-1000 into turn/min high-speed mixing;
(4) when temperature rises to 80 DEG C, add modified nano calcium carbonate, AC whipping agent, sodium bicarbonate, Silane coupling agent KH550, ACR, stearic acid, PVC foam conditioning agent ZB-530, molybdenum oxide, ammonium polyphosphate, zinc borate, nano titanium oxide, with 1000-1500 turn/min continues high-speed mixing;
(5) when temperature rises to 110-120 DEG C, form even dry mix, stop being uniformly mixed;
(6) sending into forcing machine after dried material being cooled to 40 DEG C-50 DEG C and carry out extrusion moulding, is the sheet material of 15mm through foaming and setting,
The barrel temperature of forcing machine, the direction of propulsion along described material be followed successively by 155-160 DEG C, 160-170 DEG C, 170-175 DEG C, 175-180 DEG C;
The forming mould temperature of forcing machine, the direction of propulsion along described material be followed successively by 140-145 DEG C, 145-150 DEG C, 150-155 DEG C, 160-165 DEG C, 165-170 DEG C.
The density of sheet material of the present invention is 580kg/m3, sheet material hardness (shore hardness) D=58.
Claims (3)
1. an acid and alkali-resistance PVC plastic wood plank, it is characterized in that, be made up of the component raw material of following weight part: PVCSG-5100, granularity is 600-800 object sawdust powder 8-10, calcium zinc stabilizer 1-3, AC whipping agent 0.5-1, sodium bicarbonate 0.3-0.6, MMA/ acrylate copolymer 4-6, EVA2-3, polyethylene wax 0.2-0.4, Zinic stearas 0.2-0.4, calcium stearate 0.3-0.5, OK600.2-0.3, PVC foam conditioning agent ZB-5303-4, zirconium white 0.3-0.5, bauxitic clay 4-6, magnesium hydroxide 2-5, aluminium hydroxide 5-8, zinc borate 2-4, modified nano calcium carbonate 30-40,
The preparation method of described modified nano calcium carbonate: (1) weighs by weight and gets nano-calcium carbonate 90-100, zinc oxide 3-4, vinylbenzene 10-20, vinylformic acid 20-25, butyl acrylate 30-35, methyl methacrylate 30-40, tertbutyl peroxide 1-2, xitix 1-2, chlorinatedpolyethylene 3-4, oxidation inhibitor four (β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester 1-1.5, tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester 1-1.5, deionized water 40-50, Sodium dodecylbenzene sulfonate 0.3-0.5;
(2) by deionized water, Sodium dodecylbenzene sulfonate, propyl alcohol joins in reactor, stir, and be warmed up to 70-80 DEG C, add vinylbenzene, butyl acrylate, vinylformic acid, methyl methacrylate successively, abundant stirring 10-15min, drip under whipped state concentration be 3% t-butyl hydroperoxide ethanolic soln and concentration be the ascorbic acid solution of 5%, time for adding is 2-2.5h, dropping terminates rear continuation reaction 4-5h, regulate the pH of reaction product between 6-7 with soda ash, obtain properties-correcting agent emulsion;
(3) at 75-80 DEG C, properties-correcting agent emulsion is joined homogenizer, add the nano-calcium carbonate of formula ratio, chlorinatedpolyethylene, oxidation inhibitor four (β-(3 wherein successively, 5-di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester, tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester, at the speed high-speed stirring 30-40min of 800-1000rpm, add zinc oxide and all the other components of formula ratio again, high-speed stirring 20-30min, then dry, obtain modified nano calcium carbonate.
2. a kind of acid and alkali-resistance PVC plastic wood plank according to claim 1, it is characterized in that, be made up of the component raw material of following weight part: PVCSG-5100, granularity are 600-800 object sawdust powder 9, calcium zinc stabilizer 2, AC whipping agent 0.7, sodium bicarbonate 0.4, MMA/ acrylate copolymer 5, EVA2, polyethylene wax 0.3, Zinic stearas 0.3, calcium stearate 0.4, OK600.2, PVC foam conditioning agent ZB-5303.5, zirconium white 0.4, bauxitic clay 5, magnesium hydroxide 4, aluminium hydroxide 6, zinc borate 3, modified nano calcium carbonate 35.
3. the preparation method of a kind of acid and alkali-resistance PVC plastic wood plank as claimed in claim 1, is characterized in that: comprise the following steps:
(1) each component raw material is taken by formula rate:
(2) first PVCSG-5, sawdust powder and calcium zinc stabilizer are joined in high-speed mixer and carry out 400-450 and turn/min stirring at low speed mixing, material is by nature temperature arrising caused by friction;
(3) when temperature rises to 60 DEG C, add polyethylene wax, OK60, change 800-900 into turn/min high-speed mixing;
(4) when temperature rises to 80 DEG C, add modified nano calcium carbonate, AC whipping agent, sodium bicarbonate, MMA/ acrylate copolymer, EVA, Zinic stearas, calcium stearate, PVC foam adjust ZB-530, zirconium white, bauxitic clay, magnesium hydroxide, aluminium hydroxide, zinc borate, modified nano calcium carbonate, with 1000-1500 turn/min continues high-speed mixing;
(5) when temperature rises to 110-120 DEG C, form even dry mix, stop being uniformly mixed;
(6) send into forcing machine after dried material being cooled to 40 DEG C-50 DEG C and carry out extrusion moulding;
The barrel temperature of described forcing machine, the direction of propulsion along described material be followed successively by 155-160 DEG C, 160-170 DEG C, 170-175 DEG C, 175-180 DEG C;
The forming mould temperature of described forcing machine, the direction of propulsion along described material be followed successively by 140-145 DEG C, 145-150 DEG C, 150-155 DEG C, 160-165 DEG C, 165-170 DEG C.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108927878A (en) * | 2018-08-04 | 2018-12-04 | 滁州晶田新型装饰材料有限公司 | A kind of anti-skidding easy construction WPC floor producing technology |
| CN115093718A (en) * | 2022-07-12 | 2022-09-23 | 衡水辉强新材料科技有限公司 | Environment-friendly wood-plastic composite multifunctional additive and preparation method thereof |
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| CN102532749A (en) * | 2011-12-12 | 2012-07-04 | 山东金天成塑料制品有限公司 | PVC (Poly Vinyl Chloride) extruding plate and manufacturing method thereof |
| CN104017309A (en) * | 2014-06-20 | 2014-09-03 | 无锡市宏宇汽车配件制造有限公司 | Polyvinyl chloride low-foaming car plate and preparation method thereof |
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- 2015-07-22 CN CN201510439091.3A patent/CN105038014A/en active Pending
Patent Citations (4)
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| CN102391594A (en) * | 2011-12-06 | 2012-03-28 | 山东博拓塑业股份有限公司 | Polyvinyl chloride foamed plate and preparation method thereof |
| CN102532749A (en) * | 2011-12-12 | 2012-07-04 | 山东金天成塑料制品有限公司 | PVC (Poly Vinyl Chloride) extruding plate and manufacturing method thereof |
| CN104017309A (en) * | 2014-06-20 | 2014-09-03 | 无锡市宏宇汽车配件制造有限公司 | Polyvinyl chloride low-foaming car plate and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108927878A (en) * | 2018-08-04 | 2018-12-04 | 滁州晶田新型装饰材料有限公司 | A kind of anti-skidding easy construction WPC floor producing technology |
| CN115093718A (en) * | 2022-07-12 | 2022-09-23 | 衡水辉强新材料科技有限公司 | Environment-friendly wood-plastic composite multifunctional additive and preparation method thereof |
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