CN105038012A - High-strength flame-retardant PVC panel and preparation method thereof - Google Patents
High-strength flame-retardant PVC panel and preparation method thereof Download PDFInfo
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- CN105038012A CN105038012A CN201510439078.8A CN201510439078A CN105038012A CN 105038012 A CN105038012 A CN 105038012A CN 201510439078 A CN201510439078 A CN 201510439078A CN 105038012 A CN105038012 A CN 105038012A
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Abstract
The invention discloses a high-strength flame-retardant PVC panel. The panel is made of, by weight, 95-100 parts of PVC resin, 10-20 parts of ABS powder, 1-1.5 parts of calcium-zinc stabilizing agent, 2-4 parts of molybdenum trioxide, 1-3 parts of antimony trioxide, 5-10 parts of silicon-calcium-magnesium (SCM) whisker, 2-3 parts of zinc borate, 1-2 parts of silane coupling agent, 2-4 parts of dioctyl terephthalate, 1-3 parts of polyethylene wax, 1-2 parts of stearic acid, 4-6 parts of CPE and 30-40 parts of modified nano calcium carbonate. A regular extruder is adopted for extruding and forming the panel. The PVC panel has the advantages of being good in flame retardation, high in impact resistance and tensile strength, 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 high-strength anti-flaming PVC board and preparation method thereof.
Background technology
Along with development and the urban construction of national economy, PVC has excellent performance, is widely used in the fields such as industry, agricultural, daily life and public utilities.But owing to there being a large amount of polarity C-Cl keys in polyvinyl chloride resin molecular chain structure, between molecule, there is larger reactive force, therefore relative to other resins for universal use, PVC belongs to hard and fragile material, and shock strength is lower, and has 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 high-strength anti-flaming PVC board and preparation method thereof.PVC board of the present invention has good shock resistance and tensile property and weather resistance and good processability.
The technical solution used in the present invention is as follows:
A kind of high-strength anti-flaming PVC board, it is characterized in that, be made up of the component raw material of following weight part: polyvinyl chloride resin 95-100, ABS powder 10-20, calcium zinc stabilizer 1-1.5, molybdic oxide 2-4, antimonous oxide 1-3, silicon-calcium-magnesium (SCM) whisker 5-10, zinc borate 2-3, silane coupling agent 1-2, dioctyl terephthalate 2-4, polyethylene wax 1-3, stearic acid 1-2, CPE4-6, 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 high-strength anti-flaming PVC board, it is characterized in that, be made up of the component raw material of following weight part: polyvinyl chloride resin 98, ABS powder 15, calcium zinc stabilizer 1.2, molybdic oxide 3, antimonous oxide 2, silicon-calcium-magnesium (SCM) whisker 7, zinc borate 2.5, silane coupling agent 1.5, dioctyl terephthalate 3, polyethylene wax 2, stearic acid 1.5, CPE5, modified nano calcium carbonate 35.
The preparation method of described a kind of high-strength anti-flaming PVC board, is characterized in that: comprise the following steps:
(1) each component raw material is taken by formula rate:
(2) molybdic oxide, antimonous oxide, silicon-calcium-magnesium (SCM) whisker, zinc borate, the silane coupling agent that will take, by joining in vibration equipment in recipe ratio, first ultrasonic vibration 5-10min, and then carry out abundant vibration mixing, obtain compound A;
(3) add in homogenizer by polyvinyl chloride resin and calcium zinc stabilizer, adopt 400-500 to turn/min low speed mixing, material is by nature temperature arrising caused by friction;
(4) when temperature rises to 60 DEG C, add dioctyl terephthalate, change 850-950 into turn/min high-speed mixing 5-10min after adding compound A;
(5) after temperature rises to 100 DEG C, the rest materials mixing 5-8min in dry ABS powder and formula is added;
(6) extrusion moulding is carried out by the material mixed feeding twin screw extruder;
The barrel zone temperature of described forcing machine is: 155-185 DEG C;
The forming mould temperature of described forcing machine: 165-195 DEG C.
Beneficial effect:
PVC board of the present invention has resist chemical, cost is low, simultaneously PVC board shock resistance and the good feature of tensile strength, silicon-calcium-magnesium (SCM) whisker is added with in formula, silicon-calcium-magnesium (SCM) whisker joins in polyvinyl chloride resin and effectively can improve timber intensity, self-control modified nano calcium carbonate interpolation improve PVC board shock resistance while do not reduce PVC material pulls intensity, the processing characteristics of sheet material can also be improved simultaneously, composite flame-retardant agent and stablizer add the weather resistance and flame retardant resistance that effectively increase sheet material.Therefore PVC board of the present invention has good flame retardant properties, has very high shock resistance and tensile strength simultaneously.
Embodiment
A kind of high-strength anti-flaming PVC board, is made up of the component raw material of following weight (kg): polyvinyl chloride resin 98, ABS powder 15, calcium zinc stabilizer 1.2, molybdic oxide 3, antimonous oxide 2, silicon-calcium-magnesium (SCM) whisker 7, zinc borate 2.5, silane coupling agent 1.5, dioctyl terephthalate 3, polyethylene wax 2, stearic acid 1.5, CPE5, 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.
The preparation method of high-strength anti-flaming PVC board, comprises the following steps:
(1) each component raw material is taken by formula rate:
(2) molybdic oxide, antimonous oxide, silicon-calcium-magnesium (SCM) whisker, zinc borate, the silane coupling agent that will take, by joining in vibration equipment in recipe ratio, first ultrasonic vibration 5-10min, and then carry out abundant vibration mixing, obtain compound A;
(3) add in homogenizer by polyvinyl chloride resin and calcium zinc stabilizer, adopt 400-500 to turn/min low speed mixing, material is by nature temperature arrising caused by friction;
(4) when temperature rises to 60 DEG C, add dioctyl terephthalate, change 850-950 into turn/min high-speed mixing 5-10min after adding compound A;
(5) after temperature rises to 100 DEG C, the rest materials mixing 5-8min in dry ABS powder and formula is added;
(6) extrusion moulding is carried out by the material mixed feeding twin screw extruder;
The barrel zone temperature of described forcing machine is: 155-185 DEG C;
The forming mould temperature of described forcing machine: 165-195 DEG C.
Test the performance of sheet material of the present invention, its result is as follows:
Claims (3)
1. a high-strength anti-flaming PVC board, it is characterized in that, be made up of the component raw material of following weight part: polyvinyl chloride resin 95-100, ABS powder 10-20, calcium zinc stabilizer 1-1.5, molybdic oxide 2-4, antimonous oxide 1-3, silicon-calcium-magnesium (SCM) whisker 5-10, zinc borate 2-3, silane coupling agent 1-2, dioctyl terephthalate 2-4, polyethylene wax 1-3, stearic acid 1-2, CPE4-6, 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 high-strength anti-flaming PVC board according to claim 1, it is characterized in that, be made up of the component raw material of following weight part: polyvinyl chloride resin 98, ABS powder 15, calcium zinc stabilizer 1.2, molybdic oxide 3, antimonous oxide 2, silicon-calcium-magnesium (SCM) whisker 7, zinc borate 2.5, silane coupling agent 1.5, dioctyl terephthalate 3, polyethylene wax 2, stearic acid 1.5, CPE5, modified nano calcium carbonate 35.
3. the preparation method of a kind of high-strength anti-flaming PVC board as claimed in claim 1, is characterized in that: comprise the following steps:
Preparation method:
(1) each component raw material is taken by formula rate:
(2) molybdic oxide, antimonous oxide, silicon-calcium-magnesium (SCM) whisker, zinc borate, the silane coupling agent that will take, by joining in vibration equipment in recipe ratio, first ultrasonic vibration 5-10min, and then carry out abundant vibration mixing, obtain compound A;
(3) add in homogenizer by polyvinyl chloride resin and calcium zinc stabilizer, adopt 400-500 to turn/min low speed mixing, material is by nature temperature arrising caused by friction;
(4) when temperature rises to 60 DEG C, add dioctyl terephthalate, change 850-950 into turn/min high-speed mixing 5-10min after adding compound A;
(5) after temperature rises to 100 DEG C, the rest materials mixing 5-8min in dry ABS powder and formula is added;
(6) extrusion moulding is carried out by the material mixed feeding twin screw extruder;
The barrel zone temperature of described forcing machine is: 155-185 DEG C;
The forming mould temperature of described forcing machine: 165-195 DEG C.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105566805A (en) * | 2015-12-31 | 2016-05-11 | 东莞市祺龙电业有限公司 | Anticorrosive PVC modified material and preparation method thereof |
| CN108219312A (en) * | 2017-12-15 | 2018-06-29 | 安徽嘉中金属材料有限公司 | A kind of high-strength abrasion-proof composite fibre PVC material and preparation method thereof |
| CN109082042A (en) * | 2018-08-22 | 2018-12-25 | 扬中市红光金属制品有限公司 | A kind of ageing-resistant ear tag and preparation method thereof |
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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 |
| CN104650507A (en) * | 2015-03-24 | 2015-05-27 | 苏州新区华士达工程塑胶有限公司 | Novel rigid PVC plate plastic formula |
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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 |
| CN104650507A (en) * | 2015-03-24 | 2015-05-27 | 苏州新区华士达工程塑胶有限公司 | Novel rigid PVC plate plastic formula |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105566805A (en) * | 2015-12-31 | 2016-05-11 | 东莞市祺龙电业有限公司 | Anticorrosive PVC modified material and preparation method thereof |
| CN108219312A (en) * | 2017-12-15 | 2018-06-29 | 安徽嘉中金属材料有限公司 | A kind of high-strength abrasion-proof composite fibre PVC material and preparation method thereof |
| CN109082042A (en) * | 2018-08-22 | 2018-12-25 | 扬中市红光金属制品有限公司 | A kind of ageing-resistant ear tag and preparation method thereof |
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