CN103665621A - Modifier for regeneration processing of mixed waste plastic plate / sheet material and usage method thereof - Google Patents
Modifier for regeneration processing of mixed waste plastic plate / sheet material and usage method thereof Download PDFInfo
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- CN103665621A CN103665621A CN201310647054.2A CN201310647054A CN103665621A CN 103665621 A CN103665621 A CN 103665621A CN 201310647054 A CN201310647054 A CN 201310647054A CN 103665621 A CN103665621 A CN 103665621A
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Abstract
The invention discloses a modifier for regeneration processing of mixed waste plastics plate / sheet materials. The modifier comprises the following components by weight ratio: 1-5 parts of maleic anhydride, 2-4 parts of chlorinated polyethylene, 3-7 parts of an ethylene-vinyl acetate copolymer, 4-8 parts of a styrene-butadiene-styrene block copolymer and 5-8 parts of styrene. A preparation process of the modifier is as below: adding raw materials into a high speed feed mixer for uniform mixing, discharging and cooling for standby. A usage method of the modifier for regeneration processing of mixed waste plastic plate / sheet materials comprises the following steps: (1) classifying waste plastic plate / sheet materials; (2) crushing, washing, dehydrating, drying, dehumidifying and detecting the mixed waste plastic plate / sheet materials; (3) mixing and heating the modifier with the mixed waste plastic raw materials, carrying out a grafting reaction, and cooling for standby; and (4) granulating. The invention has the advantages of simple process, convenient operation, low cost and no pollution, and can be widely used in the field of regeneration processing of waste plastic plates / sheets.
Description
Technical field
The present invention relates to a kind of waste plastic regeneration processing aid and application method, particularly relate to a specific admixture plastic waste plate/sheet material regeneration modifier and using method.
Background technology
As everyone knows, traditional waste plastic renovation process, is generally that waste plastic is reheated to plasticizing, makes it enter after viscosity flow state pelletizing again and be used.The method is heated inhomogeneous because plastic waste is high, make macromolecular chain depolymerization, loss the original consistency of part in plastic waste, also greatly reduce its physicals, and the heating with moisture in the situation that can make further aging and degraded of plastics, therefore the waste plastics recycling plastic quality that, the method processes is inferior.In recent years, although some enterprise and researchist adopt, in waste plastic, added properties-correcting agent, mechanical property and the level of waste plastics recycling processing are improved.But owing to mixing plastic waste plate/sheet material complicated, regeneration adds the poor and working method of consistency in man-hour and does not make substantial improvements, still retains the defect of traditional waste plastic working method.
Summary of the invention
The object of the invention is in order to overcome the defect of above-mentioned background technology, simple, easy to operate, with low cost, the free of contamination specific admixture plastic waste plate of a kind of technique/sheet material regeneration modifier and using method are provided.
To achieve these goals, technical scheme of the present invention is such:
One specific admixture plastic waste plate/sheet material regeneration modifier, described properties-correcting agent composition of raw materials represents to comprise following component with weight ratio: maleic anhydride 1～5; Chlorinatedpolyethylene 2～4; Ethylene vinyl acetate 3～7; Styrene butadiene styrene segmented copolymer 4～8; Vinylbenzene 5～8; Described properties-correcting agent blending process is: adopt the dosage technique that is mixed, by above-mentioned properties-correcting agent raw material by formula rate drop into together temperature be in 110～130 ℃ of high speed mixers, mix after, discharging is cooling standby.
In technique scheme, maleic anhydride 1.5～4.5; Chlorinatedpolyethylene 2.2～3.8; Ethylene vinyl acetate 3.5～4.5; Styrene butadiene styrene segmented copolymer 4.5～7.5; Vinylbenzene 5.2～7.8; Temperature in described mixer is 120 ℃.
In technique scheme, maleic anhydride 3; Chlorinatedpolyethylene 3; Ethylene vinyl acetate 5; Styrene butadiene styrene segmented copolymer 6; Vinylbenzene 6.5.
The using method of one specific admixture plastic waste plate/sheet material regeneration modifier, the using method of described properties-correcting agent, its step is as follows: (one) will discard the classification of miscellaneous plastic plate/sheet and obtain PE(polyethylene), PP(polypropylene) and PS(polystyrene) class and PA(nylon), PET(gathers stupid dioctyl phthalate second diester), PVC(polyvinyl chloride) etc. mix plastic waste plate/sheet woollen; (2) what above-mentioned classification is obtained all kinds ofly obtains all kinds of plastic waste raw materials that mix after mixing the pulverizing of plastic waste plate/sheet, cleaning, dehydration and drying dehumidification, then will described in mix plastic waste raw material and detect; (3) result detecting according to above-mentioned (two), by mixing plastic waste plate/sheet material regeneration modifier, mix with the described plastic waste raw material that mixes, the described properties-correcting agent consumption preparing is 2～8% of gross weight after mixing, be warming up at normal temperatures 105～110 ℃, make described plastic waste raw material and the properties-correcting agent graft reaction of mixing, then normal temperature is cooling standby; (4), by spares step (three) Suo Shu, with plastic granulator granulation under 170～215 ℃ of temperature condition, the granulation time is 16～20 minutes, makes the raw material after modification.
In technique scheme, the temperature of described granulation is 185 ℃-215 ℃, and the granulation time is 18 minutes.
Plastic waste plate/sheet material regeneration modifier and the using method of mixing of the present invention, there is following beneficial effect: properties-correcting agent of the present invention can improve and mixes plastic waste plate/sheet material regeneration processing characteristics, improve intensity, the toughness of product, improve the use value that mixes plastic waste plate/sheet material; The selection of each component and reasonable ratio in properties-correcting agent, promote that in plastic waste, various compositions obtain fully compatible.Maleic anhydride in properties-correcting agent (MAH) improves the consistency that mixes plastic waste plate/sheet material regeneration processing by graft modification; Ethylene vinyl acetate (EVA) consumption is suitable, can strengthen the toughness that mixes waste plastics recycling goods; Chlorinatedpolyethylene (CPE) consumption is reasonable, can improve waste plastics recycling product tensile strength, fault growth rate and consistency; Styrene butadiene styrene segmented copolymer (SBS) and vinylbenzene (PS) can improve consistency.Using method technique of the present invention is simple, simple operation, with low cost, pollution-free, and application benefit is remarkable.The present invention can be widely used in the regeneration processing and other fields of plastic waste plate/sheet.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but this embodiment should not be construed as limitation of the present invention.
Embodiment 1
Plastic waste plate/sheet material regeneration modifier that mixes of the present invention, gets its composition of raw materials and represents to comprise following component with weight ratio: maleic anhydride 1; Chlorinatedpolyethylene 2; Ethylene vinyl acetate 3; Styrene butadiene styrene segmented copolymer 4; Vinylbenzene 5, standby; By above-mentioned properties-correcting agent material component drop into together temperature be in 110 ℃ of high speed mixers, mix after, discharging is cooling standby.
The using method of properties-correcting agent of the present invention operates in the steps below:
(1) will discard the classification of miscellaneous plastic plate/sheet obtains PE, PP and PS class and PA, PET, PVC etc. and mixes plastic waste plate/sheet woollen;
(2) what above-mentioned classification is obtained all kinds ofly obtains all kinds of plastic waste raw materials that mix after mixing the pulverizing of plastic waste plate/sheet material, cleaning, dehydration and drying dehumidification, then will described in mix plastic waste raw material and detect;
(3) result detecting according to above-mentioned (two), the aforementioned properties-correcting agent preparing is mixed with the described plastic waste raw material that mixes, the described properties-correcting agent consumption preparing is 2% of gross weight after mixing, be warming up at normal temperatures 105 ℃, make described plastic waste raw material and the properties-correcting agent graft reaction of mixing, then normal temperature is cooling standby;
(4), by spares step (three) Suo Shu, with plastic granulator granulation under 212 ℃ of temperature condition, the granulation time is 18 minutes, makes the raw material after modification.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, and its difference is:
Each component and the weight part thereof that mixes plastic waste plate/sheet material regeneration modifier of the present invention is: maleic anhydride 1.5; Chlorinatedpolyethylene 2.2; Ethylene vinyl acetate 3.5; Styrene butadiene styrene segmented copolymer 4.5; Vinylbenzene 5.2; It is to mix in 120 ℃ of high speed mixers that above-mentioned properties-correcting agent material component is dropped into temperature together.
The using method of properties-correcting agent of the present invention: (three) described properties-correcting agent consumption preparing is to mix 3% of rear gross weight, is warming up at normal temperatures 108 ℃; (4) with plastic granulator granulation under 215 ℃ of temperature condition, the granulation time is 16 minutes.
Embodiment 3
The present embodiment is substantially the same manner as Example 1, and its difference is:
Each component and the weight part thereof that mixes plastic waste plate/sheet material regeneration modifier of the present invention is: maleic anhydride 3; Chlorinatedpolyethylene 3; Ethylene vinyl acetate 5; Styrene butadiene styrene segmented copolymer 6; Vinylbenzene 6.5; It is to mix in 118 ℃ of high speed mixers that above-mentioned properties-correcting agent material component is dropped into temperature together.
The using method of properties-correcting agent of the present invention: (three) described properties-correcting agent consumption preparing is to mix 4% of rear gross weight, is warming up at normal temperatures 107 ℃; (4) with plastic granulator granulation under 170 ℃ of temperature condition, the granulation time is 20 minutes.
Embodiment 4
The present embodiment is substantially the same manner as Example 1, and its difference is:
Each component and the weight part thereof that mixes plastic waste plate/sheet material regeneration modifier of the present invention is: maleic anhydride 4.5; Chlorinatedpolyethylene 3.8; Ethylene vinyl acetate 4.5; Styrene butadiene styrene segmented copolymer 7.5; Vinylbenzene 7.8; It is to mix in 120 ℃ of high speed mixers that above-mentioned properties-correcting agent material component is dropped into temperature together.
The using method of properties-correcting agent of the present invention: (three) described properties-correcting agent consumption preparing is to mix 6% of rear gross weight, is warming up at normal temperatures 110 ℃; (4) with plastic granulator granulation under 215 ℃ of temperature condition, the granulation time is 16 minutes.
Embodiment 5
The present embodiment is substantially the same manner as Example 1, and its difference is:
Each component and the weight part thereof that mixes plastic waste plate/sheet material regeneration modifier of the present invention is: maleic anhydride 5; Chlorinatedpolyethylene 4; Ethylene vinyl acetate 7; Styrene butadiene styrene segmented copolymer 8; Vinylbenzene 8; It is to mix in 130 ℃ of high speed mixers that above-mentioned properties-correcting agent material component is dropped into temperature together.
The using method of properties-correcting agent of the present invention: (three) described properties-correcting agent consumption preparing is to mix 8% of rear gross weight, is warming up at normal temperatures 110 ℃; (4) with plastic granulator granulation under 185 ℃ of temperature condition, the granulation time is 18 minutes.
Obviously, those skilled in the art can carry out various changes and variation and not depart from the spirit and scope of the present invention the present invention.Like this, if within these modifications and variations of the present invention belong to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and change interior.
The content not being described in detail in this specification sheets belongs to the known prior art of professional and technical personnel in the field.
Claims (5)
1. a specific admixture plastic waste plate/sheet material regeneration modifier, is characterized in that: described properties-correcting agent composition of raw materials represents to comprise following component with weight ratio:
Maleic anhydride 1～5; Chlorinatedpolyethylene 2～4; Ethylene vinyl acetate 3～7; Styrene butadiene styrene segmented copolymer 4～8; Vinylbenzene 5～8;
Described properties-correcting agent blending process is: adopt the dosage technique that is mixed, by above-mentioned properties-correcting agent raw material by formula rate drop into together temperature be in 110～130 ℃ of high speed mixers, mix after, discharging is cooling standby.
2. the plastic waste plate/sheet material regeneration modifier that mixes according to claim 1, is characterized in that: described properties-correcting agent composition of raw materials represents to comprise following component with weight ratio:
Maleic anhydride 1.5～4.5; Chlorinatedpolyethylene 2.2～3.8; Ethylene vinyl acetate 3.5～4.5; Styrene butadiene styrene segmented copolymer 4.5～7.5; Vinylbenzene 5.2～7.8;
Temperature in described mixer is 120 ℃.
3. the plastic waste plate/sheet material regeneration modifier that mixes according to claim 1 and 2, is characterized in that: described properties-correcting agent composition of raw materials represents to comprise following component with weight ratio:
Maleic anhydride 3; Chlorinatedpolyethylene 3; Ethylene vinyl acetate 5; Styrene butadiene styrene segmented copolymer 6; Vinylbenzene 6.5.
4. the using method of a specific admixture plastic waste plate/sheet material regeneration modifier, is characterized in that: the using method of described properties-correcting agent, and its step is as follows:
(1) will discard that miscellaneous plastic classification obtains PE, PP and PS class and PA, PET, PVC mixes plastic waste plate/sheet woollen;
(2) what above-mentioned classification is obtained all kinds ofly obtains all kinds of plastic waste plate/tablet raw materials that mix after mixing the pulverizing of plastic waste plate/sheet material, cleaning, dehydration and drying dehumidification, then will described in mix plastic waste plate/tablet raw material and detect;
(3) result detecting according to above-mentioned (two), described plastic waste plate/sheet material regeneration modifier that mixes is mixed with the described plastic waste plate/tablet raw material that mixes, the described properties-correcting agent consumption preparing is 2～8% of gross weight after mixing, be warming up at normal temperatures 105～110 ℃, make described plastic waste raw material and the properties-correcting agent graft reaction of mixing, then normal temperature is cooling standby;
(4), by spares step (three) Suo Shu, with plastic granulator granulation under 170～215 ℃ of temperature condition, the granulation time is 16～20 minutes, makes the raw material after modification.
5. the using method that mixes plastic waste plate/sheet material regeneration modifier according to claim 4, is characterized in that: the temperature of described granulation is 185 ℃-215 ℃, and the granulation time is 18 minutes.
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| CN201310647054.2A CN103665621A (en) | 2013-12-04 | 2013-12-04 | Modifier for regeneration processing of mixed waste plastic plate / sheet material and usage method thereof |
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| CN201310647054.2A CN103665621A (en) | 2013-12-04 | 2013-12-04 | Modifier for regeneration processing of mixed waste plastic plate / sheet material and usage method thereof |
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Citations (5)
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| EP1189988A1 (en) * | 1999-06-11 | 2002-03-27 | The Dow Chemical Company | Compositions comprising hydrogenated block copolymers and end-use applications thereof |
| JP2002292628A (en) * | 2001-03-28 | 2002-10-09 | Sony Corp | Method for reuse of used resin |
| CN1468698A (en) * | 2003-06-13 | 2004-01-21 | 四川大学 | In-situ fibril method of recovering waste thermoplastic plastics |
| CN101020769A (en) * | 2007-03-15 | 2007-08-22 | 上海交通大学 | Prepn process of thermoplastic wood-plastic composite material based on polyethylene vinyl acetate |
| CN103665620A (en) * | 2013-12-04 | 2014-03-26 | 中塑联新材料科技湖北有限公司 | Modifier for regeneration processing of mixed waste plastic tube material and usage method thereof |
-
2013
- 2013-12-04 CN CN201310647054.2A patent/CN103665621A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1189988A1 (en) * | 1999-06-11 | 2002-03-27 | The Dow Chemical Company | Compositions comprising hydrogenated block copolymers and end-use applications thereof |
| JP2002292628A (en) * | 2001-03-28 | 2002-10-09 | Sony Corp | Method for reuse of used resin |
| CN1468698A (en) * | 2003-06-13 | 2004-01-21 | 四川大学 | In-situ fibril method of recovering waste thermoplastic plastics |
| CN101020769A (en) * | 2007-03-15 | 2007-08-22 | 上海交通大学 | Prepn process of thermoplastic wood-plastic composite material based on polyethylene vinyl acetate |
| CN103665620A (en) * | 2013-12-04 | 2014-03-26 | 中塑联新材料科技湖北有限公司 | Modifier for regeneration processing of mixed waste plastic tube material and usage method thereof |
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Application publication date: 20140326 |