CN103304969B - A kind of shopping bag fills polyester composite granule and preparation method with high - Google Patents
A kind of shopping bag fills polyester composite granule and preparation method with high Download PDFInfo
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- CN103304969B CN103304969B CN201310253205.6A CN201310253205A CN103304969B CN 103304969 B CN103304969 B CN 103304969B CN 201310253205 A CN201310253205 A CN 201310253205A CN 103304969 B CN103304969 B CN 103304969B
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Abstract
The present invention discloses a kind of shopping bag height and fills Pillar recovery composite granule and preparation method, and described shopping bag composite granule comprises weight fraction than the following component formed: modified calcium carbonate powder 50-80 part, polyethylene terephthalate 20-50 part, chainextender 0.02-0.5 part and 0.02-0.25 part thermo-stabilizer.The preparation process of described composite granule comprises following two steps: the surface modification of (1) calcium carbonate powder; (2) preparation of composite granule: by modified calcium carbonate powder and other each component of composite granule in proportion in Banbury mixer melt blending, can composite granule be obtained by Single screw extrusion granulation.The composite granule that the present invention obtains, obtain each shopping bag of specifying specification by techniques such as follow-up blow moldings, both achieved waste polyester and recycled high-valued object, simultaneously, thus obtained shopping bag is inexpensive, environmental protection and have degradability, possesses good market potential.
Description
Technical field
The invention belongs to chemical industry technical field of composite materials, especially a kind of shopping bag height fills polyester composite granule and preparation method.
Background technology
Shopping bag provides great facility to people in daily life, is the essential items that people go out shopping.In the market can shopping bag mainly contain: plastic shopping bag, non-woven fabric shopping bag, stationery shopping bag, linen-cotton shopping bag etc.Plastic shopping bag comprises common plastics shopping bag, starch plastics shopping bag and degradative plastics shopping bag, wherein common plastics shopping bag degraded difficulty, starch plastics shopping bag depends on grain, thus prospect is far from good, and although degradative plastics shopping bag has extensively been promoted in developed country, its higher cost has made within short duration, be difficult to spread at home.Non-woven fabric shopping bag is the non-thermoplastic cloth manufactured as polypropylene or polyethylene terephthalate with plastics, its good permeability, reusable, can wash, can silk-screen advertisement etc., 10% of common plastics bag is also only had to the dustiness of environment, so commercially more and more welcome after discarded.But it is still overly dependent upon fossil resources.The intensity of stationery shopping bag and water tolerance are all bad, and the raw material of manufacture paper is based on timber, and this is the maximum waste to environmental resources; The process simultaneously manufacturing paper can produce a large amount of water pollutions.Therefore, in a large number with the maximum waste that paper bag is exactly to environmental resources, to the greatest contamination of environment.The intensity of linen-cotton shopping bag is better than paper bag, can repeatedly recycle, but water tolerance is also bad.
Polyethylene terephthalate (abbreviation polyester) is mainly for the production of fiber, polyester bottles and film etc., the nearly 5Mt/a of China's production of polyester ability, rank first in the world, if calculate by the waste material producing 3-5% in production of polyester and the course of processing, the polyester waste material of annual generation can reach more than 100kt, in addition, as wrapping material use polyester with after almost entirely become waste material, therefore the Waste Polyester amount of China is considerable.
In view of this, the present inventor intends considering the powder height filled composite forming technique of maturation and considerable Waste Polyester amount to combine, and develops a kind of low-cost environmental-protecting shopping bag composite granule.At present, about this respect research work particularly patent have not been reported.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of shopping bag height to fill polyester composite granule and preparation method.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of shopping bag fills Pillar recovery composite granule with high, and this matrix material comprises weight fraction than the following component formed:
Modified calcium carbonate powder: 50-80 part
Polyethylene terephthalate: 20-50 part
Chainextender: 0.02-0.5 part
Thermo-stabilizer: 0.02-0.25 part.
And described modified calcium carbonate powder refers to 1000-4000 object light calcium carbonate powder to join together with a certain amount of surface treatment agent and can heat up in homogenizer, under the condition of 80-120 DEG C, high-speed stirring process 30-120min gained.
And described surface treatment agent refers to the one in silane coupling agent or titante coupling agent.
And, described silane coupling agent is the one in γ-chloropropyl triethoxysilane, γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane, methyl diethoxy quadrol propyl silane or vinyltrimethoxy silane.
And, described titante coupling agent is sec.-propyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanic acid ester, sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester, monoalkoxy unsaturated fatty acids titanic acid ester, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester, Di(dioctylpyrophosphato) ethylene titanate, the inner complex of Di(dioctylpyrophosphato) ethylene titanate and trolamine, plant acid type monoalkoxy class titanic acid ester, tetra-sodium type monoalkoxy class titanic acid ester, one in phosphatic type monoalkoxy class titanic acid ester or compound phosphoric acid type monoalkoxy class titanic acid ester.
And described surface treatment agent consumption is the 0.5-1% of Paris white body weight.
And described polyethylene terephthalate, its limiting viscosity is at 0.45-0.60dL/g.
And described chainextender is the one in 2,2-two (2-oxazoline), bisoxazoline, styrene-t Racemic glycidol ester oligomer, four glycidyl group diaminodiphenylmethane, CESA-Extend chainextender or pyromellitic acid anhydride.
And, described thermo-stabilizer is three [2.4-di-tert-butyl-phenyl] phosphorous acid ester, Triethylene glycol two [β-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) propionic ester], diphosphorous acid tetramethylolmethane distearyl alcohol ester, 1,3,5-trimethylammonium-2,4,6-(3,5-di-t-butyl-4-hydroxyphenylmethyl) benzene, 1,3,5-tri-(3,5-di-tert-butyl-4-hydroxyl benzyl) one in tricarbimide or 4,4'-thiobis (the 6-tertiary butyl-3-methylphenol).
A kind of shopping bag fills polyester composite granule preparation method with high, it is characterized in that, comprises the following steps:
(1) preparation of modified calcium carbonate powder: the calcium carbonate powder of drying is joined together with accounting for the surface treatment agent of Paris white body weight 0.5-1% in the homogenizer that can heat up, be warmed up to 80-120 DEG C and high-speed stirring 30-120min, modified calcium carbonate powder can be obtained;
(2) preparation of pellet is mixed: by step (1) gained modified calcium carbonate powder 50-80 part; polyethylene terephthalate 20-50 part; join together in Banbury mixer; melt blending 5min; then the chainextender of 0.02-0.5 part and the thermo-stabilizer of 0.02-0.25 part is added; continue melt blending 5min, obtain mixing masterbatch pellet finally by Single screw extrusion granulation.
Advantage of the present invention and positively effect are:
The composite granule that the present invention obtains, obtain each shopping bag of specifying specification by techniques such as follow-up blow moldings, both achieved waste polyester and recycled high-valued object, simultaneously, thus obtained shopping bag is inexpensive, environmental protection and have degradability, possesses good market potential.
Embodiment
Below the embodiment of the present invention is further described: it is emphasized that; embodiment of the present invention is illustrative; instead of it is determinate; therefore the present invention is not limited to the embodiment described in embodiment; every other embodiments drawn by those skilled in the art's technical scheme according to the present invention, belong to the scope of protection of the invention equally.
Embodiment 1: a kind of shopping bag height fills polyester composite granule and preparation method, and its preparation technology is:
(1) preparation of modified calcium carbonate powder: 100 parts of dry particle diameter 1000 object calcium carbonate powders are joined together with 1 part of γ-methacryloxypropyl trimethoxy silane and can heat up in homogenizer, be warmed up to 80 DEG C and high-speed stirring 120min, modified calcium carbonate powder can be obtained;
(2) preparation of composite granule: get step (1) gained modified calcium carbonate powder 50 parts, reclaim polyethylene terephthalate 50 parts, its limiting viscosity is 0.65dL/g, 120 DEG C of dry 4h, join together in Banbury mixer, in 265 DEG C of melt blending 5min, then 0.02 part of chainextender styrene-t Racemic glycidol ester oligomer and 0.02 part of three [2.4-di-tert-butyl-phenyl] phosphorous acid ester is added, continue melt blending 5min, namely obtain composite granule by Single screw extrusion granulation.
Test result shows, in this composite granule, polymer moieties limiting viscosity reaches 1.05dL/g, and this composite granule possesses higher melt strength, makes this composite granule can obtain the shopping bag of specifying specification by blow molding very easily.
Embodiment 2: a kind of shopping bag height fills polyester composite granule and preparation method, and its preparation technology is:
(1) preparation of modified calcium carbonate powder: 100 parts of dry particle diameter 2000 order calcium carbonate powders are joined together with 0.7 part of γ-chloropropyl triethoxysilane and can heat up in homogenizer, be warmed up to 100 DEG C and high-speed stirring 60min, modified calcium carbonate powder can be obtained;
(2) preparation of composite granule: get step (1) gained modified calcium carbonate powder 65 parts, reclaim polyethylene terephthalate bottle sheet 35 parts, its limiting viscosity is 0.60dL/g, 120 DEG C of dry 4h, join together in Banbury mixer, in 265 DEG C of melt blending 5min, then add 0.1 part of chainextender pyromellitic acid anhydride, 0.1 part of diphosphorous acid tetramethylolmethane distearyl alcohol ester, continue melt blending 5min, namely obtain shopping bag composite granule by Single screw extrusion granulation.
Test result shows, in this composite granule, polymer moieties limiting viscosity reaches 1.07dL/g, and this composite granule possesses higher melt strength, makes this composite granule can obtain the shopping bag of specifying specification by blow molding very easily.
Embodiment 3: a kind of shopping bag height fills polyester composite granule and preparation method, and its preparation technology is:
(1) preparation of modified calcium carbonate powder: 100 parts of dry particle diameter 4000 object calcium carbonate powders are joined together with 0.5 part of sec.-propyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanic acid ester and can heat up in homogenizer, be warmed up to 120 DEG C and high-speed stirring 30min, modified calcium carbonate powder can be obtained;
(2) preparation of composite granule: get step (1) gained modified calcium carbonate powder 80 parts, reclaim polyethylene terephthalate (limiting viscosity 0.45dL/g, 120 DEG C of dry 4h) 20 parts, join together in Banbury mixer, in 265 DEG C of melt blending 5min, then add 0.5 part of chainextender CESA-Extend chainextender, 0.5 part 31,3,5-trimethylammonium-2,4,6-(3,5-di-t-butyl-4-hydroxyphenylmethyl) benzene, continues melt blending 5min, namely obtains shopping bag composite granule by Single screw extrusion granulation.
Embodiment 4: a kind of shopping bag height fills polyester composite granule and preparation method, and its preparation technology is:
(1) preparation of modified calcium carbonate powder: 100 parts of dry particle diameter 3000 object calcium carbonate powders are joined together with 0.5 part of plant acid type monoalkoxy class titanic acid ester and can heat up in homogenizer, be warmed up to 120 DEG C and high-speed stirring 30min, modified calcium carbonate powder can be obtained.
(2) preparation of composite granule: get step (1) gained modified calcium carbonate powder 80 parts, reclaim polyethylene terephthalate (limiting viscosity 0.45dL/g, 120 DEG C of dry 4h) 20 parts, join together in Banbury mixer, in 265 DEG C of melt blending 5min, then 0.2 part of chainextender 2 is added, 2-two (2-oxazoline), 0.1 part of Triethylene glycol two [β-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) propionic ester], continue melt blending 5min, namely obtain shopping bag composite granule by Single screw extrusion granulation.
Test result shows, in this composite granule, polymer moieties limiting viscosity reaches 0.97dL/g, and this composite granule possesses higher melt strength, makes this composite granule can obtain the shopping bag of specifying specification by blow molding very easily.
Above embodiment shows; in protection scope of the present invention; in each composite granule, the limiting viscosity of polymer moieties is all about 1, and each composite granule melt all possesses higher melt strength, thus makes each composite granule can obtain the shopping bag of specifying specification by techniques such as blow moldings.
Claims (6)
1. shopping bag fills a Pillar recovery composite granule with high, it is characterized in that: this matrix material comprises weight fraction than the following component formed:
Wherein, described modified calcium carbonate powder refers to 1000-4000 object light calcium carbonate powder to join together with surface treatment agent and can heat up in homogenizer, under the condition of 80-120 DEG C, and high-speed stirring process 30-120min gained;
Wherein, described surface treatment agent refers to the one in silane coupling agent or titante coupling agent;
Wherein, described chainextender is the one in 2,2-two (2-oxazoline), bisoxazoline, styrene-t Racemic glycidol ester oligomer, four glycidyl group diaminodiphenylmethane, CESA-Extend chainextender or pyromellitic acid anhydride;
Wherein, described thermo-stabilizer is three [2,4-di-tert-butyl-phenyl] phosphorous acid ester, Triethylene glycol two [β-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) propionic ester], diphosphorous acid tetramethylolmethane distearyl alcohol ester, 1,3,5-trimethylammonium-2,4,6-(3,5-di-t-butyl-4-hydroxyphenylmethyl) benzene, 1,3, one in 5-tri-(3,5-di-tert-butyl-4-hydroxyl benzyl) tricarbimide or 4,4'-thiobis (the 6-tertiary butyl-3-methylphenol).
2. shopping bag height according to claim 1 fills Pillar recovery composite granule, it is characterized in that: described silane coupling agent is the one in γ-chloropropyl triethoxysilane, γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane, methyl diethoxy quadrol propyl silane or vinyltrimethoxy silane.
3. shopping bag height according to claim 1 fills Pillar recovery composite granule, it is characterized in that: described titante coupling agent is sec.-propyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanic acid ester, sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester, monoalkoxy unsaturated fatty acids titanic acid ester, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester, Di(dioctylpyrophosphato) ethylene titanate, the inner complex of Di(dioctylpyrophosphato) ethylene titanate and trolamine, plant acid type monoalkoxy class titanic acid ester, tetra-sodium type monoalkoxy class titanic acid ester, one in phosphatic type monoalkoxy class titanic acid ester or compound phosphoric acid type monoalkoxy class titanic acid ester.
4. shopping bag height according to claim 1 fills Pillar recovery composite granule, it is characterized in that: described surface treatment agent consumption is the 0.5-1% of Paris white body weight.
5. shopping bag height according to claim 1 fills Pillar recovery composite granule, and it is characterized in that: described polyethylene terephthalate, its limiting viscosity is at 0.45-0.60dL/g.
6. shopping bag fills a polyester composite granule preparation method with high, it is characterized in that, comprises the following steps:
(1) preparation of modified calcium carbonate powder: the calcium carbonate powder of drying is joined together with accounting for the surface treatment agent of Paris white body weight 0.5-1% in the homogenizer that can heat up, be warmed up to 80-120 DEG C and high-speed stirring 30-120min, modified calcium carbonate powder can be obtained;
(2) preparation of pellet is mixed: by step (1) gained modified calcium carbonate powder 50-80 part; the polyethylene terephthalate 20-50 part of reclaiming; join together in Banbury mixer; melt blending 5min; then the chainextender of 0.02-0.5 part and the thermo-stabilizer of 0.02-0.25 part is added; continue melt blending 5min, obtain mixing masterbatch pellet finally by Single screw extrusion granulation.
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| GB201403599D0 (en) * | 2014-02-28 | 2014-04-16 | Croda Int Plc | Micronutrient compositions |
| CN104725800B (en) * | 2015-04-17 | 2016-11-02 | 宁波高新区卓尔化工科技有限公司 | Wood flour filled PET composite material and preparation method thereof |
| CN105860460B (en) * | 2016-06-07 | 2017-10-13 | 张峰铭 | A kind of biodegradable polyester shopping bag and preparation method thereof |
| CN111378258A (en) * | 2020-03-28 | 2020-07-07 | 上海铭澜化工有限公司 | Tackifier for recycling waste PET textiles and recycling method of waste PET textiles |
| CN114571819B (en) * | 2022-01-20 | 2024-03-26 | 升辉新材料股份有限公司 | Puncture-resistant packaging film and preparation method thereof |
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| US6569991B2 (en) * | 2000-12-15 | 2003-05-27 | Wellman, Inc. | Methods of post-polymerization extruder injection in polyethylene terephthalate production |
| CN101838445B (en) * | 2010-04-30 | 2012-02-29 | 宜兴市光辉包装材料有限公司 | PETG blow molding film and preparation method thereof |
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| CN103113722A (en) * | 2013-02-06 | 2013-05-22 | 重庆地球卫士石头纸业有限公司 | Environment-friendly wallpaper substrate capable of regulating temperature and preparation method thereof |
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