CN102797073A - Degradable artificial grass filaments and preparation method - Google Patents
Degradable artificial grass filaments and preparation method Download PDFInfo
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- CN102797073A CN102797073A CN2012102887970A CN201210288797A CN102797073A CN 102797073 A CN102797073 A CN 102797073A CN 2012102887970 A CN2012102887970 A CN 2012102887970A CN 201210288797 A CN201210288797 A CN 201210288797A CN 102797073 A CN102797073 A CN 102797073A
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Abstract
The invention discloses degradable artificial grass filaments, which can be processed by the raw materials with the following weight: 30-70 parts of polylactic acid, 25-70 parts of polyethylene glycol terephthalate and/or polybutylene telephthalate, 2-5 parts of solubiliser, 3-6 parts of toner and 2-10 parts of anti-UV agent. According to the invention, polylactic acid, polyethylene glycol terephthalate and the aliphatic-aromatic copolyesters such as polyethylene glycol terephthalate and polybutylene telephthalate are taken as the matrix resin raw materials, the prepared artificial grass filaments have good stretching performance and flexibility, keep the completely biological degradability of the materials, and enable the treatment with organic garbage after being wastes, can be decomposed to water, carbon dioxide, energy and the like by microbe under industrial compost condition, and have no harmless on environment.
Description
Technical field
The present invention relates to a kind of artificial grass filaments, relate in particular to the preparation method of a kind of degradable artificial grass filaments and this degradable artificial grass filaments.
Background technology
Increasing along with the pedaline consumption, when its importance highlighted day by day, its existing problem also more and more received people's attention.Present most of artificial grass silk is processed by the synthetic macromolecular materials such as polyethylene, polypropylene and/or polyamide of manual work, is difficult to degraded after discarding, and surrounding environment is polluted.
Summary of the invention
In order to solve the problems of the technologies described above, the present invention provides a kind of degradable artificial grass filaments and preparation method thereof.
Its technical solution is:
A kind of degradable artificial grass filaments, it adopts degradable aliphatic-aromatic copolyester as the matrix resin raw material.
Further; Above-mentioned degradable aliphatic-aromatic copolyester is PLA and PETG copolyesters; Or PLA and polybutylene terephthalate (PBT) copolyesters, or PLA and PETG, polybutylene terephthalate (PBT) copolyesters.
Further, a kind of degradable artificial grass filaments, it is to be processed by following raw materials in weight portion: 30～70 parts of PLAs; 25～70 parts of PETG and/or polybutylene terephthalate (PBT)s; 2～5 parts of solubilizer, 3～6 parts of toners, 2～10 parts of anti-UV agent.
A kind of preparation method of degradable artificial grass filaments; It may further comprise the steps: earlier with 30～70 parts of PLAs and 25～70 parts of PETGs and/or polybutylene terephthalate (PBT) melt blending; Obtain melt; In melt, add 2～5 parts of solubilizer, 3～6 portions of toners and 2～10 parts of anti-UV agent then, more successively through extrude, the typing of stretching, oven heat makes finished product.
Further, above-mentioned fusant density is 1.25～1.27g/cm
3, melt volume-flow rate is 2.5～4.5ml/10min, melt temperature is 250～290 ℃.
Further, above-mentioned extrusion temperature is 250～290 ℃, and draw ratio is 5～7, and heat setting temperature is 80～110 ℃.
Useful technique effect of the present invention is:
The present invention adopts aliphatic-aromatic copolyesters such as PLA and PETG, polybutylene terephthalate (PBT) as the matrix resin raw material; Prepared artificial grass filaments had both had draftability, pliability and abrasion resistance properties preferably, had kept the completely biodegradable of material again; Can handle with organic waste after it is discarded, under the condition of industrial compost by microbial decomposition Cheng Shui, carbon dioxide and energy etc., environmental sound.
The specific embodiment
A kind of degradable artificial grass filaments; It adopts degradable aliphatic-aromatic copolyester as the matrix resin raw material; The copolyesters that preferred PLA of aliphatic-aromatic copolyester (PLA) and PETG (PET) melt blending form; Or the copolyesters that forms of PLA and polybutylene terephthalate (PBT) (PBT) melt blending, or the copolyesters of PLA and PETG, the formation of polybutylene terephthalate (PBT) melt blending.Wherein, PLA has favorable biological degradability as aliphatic polyester; PETG and polybutylene terephthalate (PBT) have good thermodynamic property and processing characteristics as aromatic polyester; Can make the artificial grass filaments that finally makes promptly have the degradable performance as the matrix resin raw material copolyesters of the two, have the good mechanical performance again.
In order to make the artificial grass filaments that makes can the better synthesis aliphatic polyester and the excellent properties of aromatic polyester, need the further adding proportion of control PLA and PET and/or PBT.Preferred degradable artificial grass filaments is processed by following raw materials in weight portion: 30～70 parts of PLAs; 25～70 parts of PETG and/or polybutylene terephthalate (PBT)s; 2～5 parts of solubilizer, 3～6 parts of toners, 2～10 parts of anti-UV agent.Be more preferably 35 parts of PLAs, 65 parts of PETGs, 5 parts of solubilizer, 3 parts of toners, 5 parts of anti-UV agent; Or 70 parts of PLAs, 30 parts of polybutylene terephthalate (PBT)s, 3 parts of solubilizer, 5 parts of toners, 6 parts of anti-UV agent.
The preparation technology of artificial grass filaments adopts conventional melt-spinning technology (spinning-extension), promptly earlier with the blend of matrix resin raw materials melt, obtains melt, makes through extruding, stretch, finalizing the design successively again.In order to make the artificial grass filaments that makes have better degradable performance and mechanical property, need the physical parameter of melt is carried out strictness control, specific as follows: fusant density is 1.25～1.27g/cm
3, melt volume-flow rate is 2.5～4.5ml/10min.The matrix resin raw material injects production line with the melt temperature that is fit to, and the temperature of molding machine first section is 200～225 ℃, along all other sections (comprising die head) of extruding line melt temperature is maintained 230～280 ℃.In addition, above-mentioned extrusion temperature is preferably 250～290 ℃, and draw ratio is preferably 5～7, and heat setting temperature is preferably 80～110 ℃.
Above-mentioned artificial grass filaments is disposable extrusion moulding, and periphery does not have incision, further improves its ABRASION RESISTANCE and smoothness.Above-mentioned raw materials all can be bought from market and obtain.
Be elaborated through of the preparation of several groups of specific embodiments below to degradable artificial grass filaments of the present invention:
Embodiment 1
With 65 parts of PLAs and 25 parts of PETG melt blendings, obtain melt, in melt, add 2 parts of solubilizer, 3 portions of toners and 5 parts of anti-UV agent then, more successively through extrude, stretching, oven heat typing, make the degradable artificial grass filaments.Extrusion temperature is 255 ℃, and draw ratio is 5, and heat setting temperature is 110 ℃.
According to the ASTM-882 of American Society for Testing Materials, be to measure the degradable artificial grass filaments that makes under 25%～40% the condition at 23 ℃, relative humidity, its TENSILE STRENGTH is 1.6cn/dtex, elongation at break is 120%.
Embodiment 2
With 60 parts of PLAs, 30 parts of polybutylene terephthalate (PBT)s, 2 parts of solubilizer AX8900,3 portions of toners and 5 parts of anti-UV agent melt blending in the lump, obtain melt.Melt successively through extrude, the typing of stretching, oven heat, make the degradable artificial grass filaments.Extrusion temperature is 280 ℃, and draw ratio is 5, and heat setting temperature is 110 ℃.
According to the ASTM-882 of American Society for Testing Materials, be to measure the degradable artificial grass filaments that makes under 25%～40% the condition at 23 ℃, relative humidity, its TENSILE STRENGTH is 1.7cn/dtex, elongation at break is 130%.
Embodiment 3
With 50 parts of PLAs and 20 parts of PETGs and 20 parts of polybutylene terephthalate (PBT) melt blendings; Obtain melt; In melt, add 4 parts of solubilizer, 4 portions of toners and 2 parts of anti-UV agent then; Again successively through extrude, the typing of stretching, oven heat, make the degradable artificial grass filaments.Extrusion temperature is 255 ℃, and draw ratio is 6, and heat setting temperature is 100 ℃.
According to the ASTM-882 of American Society for Testing Materials, be to measure the degradable artificial grass filaments that makes under 25%～40% the condition at 23 ℃, relative humidity, its TENSILE STRENGTH is 1.8cn/dtex, elongation at break is 120%.
Embodiment 4
60 parts of cornstarchs are added in the homogenizers with 30 parts of glycerine mix, through the double screw extruder extruding pelletization, extrusion temperature (from the charging aperture to the head) is followed successively by 70～130 ℃, obtains TPS pellet (thermoplastic starch).In preparation TPS pellet process, glycerine plastifies cornstarch as plasticiser.
With 35 parts of thermoplastic starchs and 58 parts of polybutylene terephthalate (PBT) melting mixing, add 3 portions of toners, 3 parts of anti-UV agent.Through screw extrusion molding, extrusion temperature is 265 ℃, and total drawing ratio is 7, and the oven heat setting temperature is 110 ℃.
According to the ASTM-882 of American Society for Testing Materials, be to measure the degradable artificial grass filaments that makes under 25%～40% the condition at 23 ℃, relative humidity, its TENSILE STRENGTH is 1.8cn/dtex, elongation at break is 140%.
In sum, degradable artificial grass filaments TENSILE STRENGTH >=1.5cn/dtex that the present invention makes, elongation at break >=100%; Have tensile property, pliability and ABRASION RESISTANCE preferably, and through detecting, (23 ℃ of standard climate conditions; Relative humidity of atomsphere 50%) under; The degradable artificial grass filaments that the present invention makes was stored after 20 months, did not see the degeneration that it has mechanical performance performances such as (TENSILE STRENGTH, elongation at breaks).In addition, the degradable artificial grass filaments that the present invention makes has kept the completely biodegradable of material again, and its discarded back with the organic waste compost, can be decomposed by microorganism in 6～12 months under industrial condition fully.
Claims (6)
1. degradable artificial grass filaments is characterized in that: this artificial grass filaments adopts degradable aliphatic-aromatic copolyester as the matrix resin raw material.
2. a kind of degradable artificial grass filaments according to claim 1; It is characterized in that: said degradable aliphatic-aromatic copolyester is PLA and PETG copolyesters; Or PLA and polybutylene terephthalate (PBT) copolyesters, or PLA and PETG, polybutylene terephthalate (PBT) copolyesters.
3. a kind of degradable artificial grass filaments according to claim 2; It is characterized in that; It is to be processed by following raw materials in weight portion: 30～70 parts of PLAs, 25～70 parts of PETG and/or polybutylene terephthalate (PBT)s, 2～5 parts of solubilizer; 3～6 parts of toners, 2～10 parts of anti-UV agent.
4. the preparation method of a degradable artificial grass filaments; It is characterized in that; May further comprise the steps: earlier with 30～70 parts of PLAs and 25～70 parts of PETGs and/or polybutylene terephthalate (PBT) melt blending; Obtain melt, in melt, add 2～5 parts of solubilizer, 3～6 portions of toners and 2～10 parts of anti-UV agent then, more successively through extrude, the typing of stretching, oven heat makes finished product.
5. the preparation method of a kind of degradable artificial grass filaments according to claim 4 is characterized in that: said fusant density is 1.25～1.27g/cm
3, melt volume-flow rate is 2.5～4.5ml/10min, melt temperature is 250～290 ℃.
6. the preparation method of a kind of degradable artificial grass filaments according to claim 4 is characterized in that: extrusion temperature is 250～290 ℃, and draw ratio is 5～7, and heat setting temperature is 80～110 ℃.
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| CN2012102887970A CN102797073A (en) | 2012-08-14 | 2012-08-14 | Degradable artificial grass filaments and preparation method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3130704A1 (en) | 2015-08-11 | 2017-02-15 | heiler GmbH & Co. KG | Fibre-reinforced turf support layer and method of processing thereof |
| CN107313120A (en) * | 2017-06-30 | 2017-11-03 | 广州傲胜人造草股份有限公司 | A kind of artificial grass filaments manufacture device |
| CN107974724A (en) * | 2017-08-23 | 2018-05-01 | 山东孚恩特高分子科技有限公司 | The preparation method and product of artificial silk based on polyester |
| WO2020073753A1 (en) * | 2018-10-10 | 2020-04-16 | 无锡沛莱斯纺织有限公司 | Biodegradable polyester fabric and preparation method therefof |
| CN111334889A (en) * | 2020-03-17 | 2020-06-26 | 广州傲胜人造草股份有限公司 | Completely biodegradable artificial grass filaments and preparation method thereof |
| CN113026143A (en) * | 2021-03-17 | 2021-06-25 | 江苏文明人造草坪有限公司 | Degradable grass fiber for artificial lawn and preparation process thereof |
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| CN1400343A (en) * | 2001-07-30 | 2003-03-05 | 东丽株式会社 | Polylactate fiber |
| CN101381905A (en) * | 2008-10-17 | 2009-03-11 | 东华大学 | Method for producing low shrink corn modified polylactic acid fibre |
| CN201962575U (en) * | 2010-12-09 | 2011-09-07 | 江苏共创人造草坪有限公司 | Plastic plate composite artificial lawn capable of being spliced and disassembled |
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2012
- 2012-08-14 CN CN2012102887970A patent/CN102797073A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1400343A (en) * | 2001-07-30 | 2003-03-05 | 东丽株式会社 | Polylactate fiber |
| CN101381905A (en) * | 2008-10-17 | 2009-03-11 | 东华大学 | Method for producing low shrink corn modified polylactic acid fibre |
| CN201962575U (en) * | 2010-12-09 | 2011-09-07 | 江苏共创人造草坪有限公司 | Plastic plate composite artificial lawn capable of being spliced and disassembled |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3130704A1 (en) | 2015-08-11 | 2017-02-15 | heiler GmbH & Co. KG | Fibre-reinforced turf support layer and method of processing thereof |
| EP3130704B1 (en) * | 2015-08-11 | 2019-07-17 | heiler GmbH & Co. KG | Fibre-reinforced turf support layer and method of processing thereof |
| CN107313120A (en) * | 2017-06-30 | 2017-11-03 | 广州傲胜人造草股份有限公司 | A kind of artificial grass filaments manufacture device |
| CN107974724A (en) * | 2017-08-23 | 2018-05-01 | 山东孚恩特高分子科技有限公司 | The preparation method and product of artificial silk based on polyester |
| CN107974724B (en) * | 2017-08-23 | 2021-04-30 | 山东孚恩特高分子科技有限公司 | Polyester-based rayon and method of making same |
| WO2020073753A1 (en) * | 2018-10-10 | 2020-04-16 | 无锡沛莱斯纺织有限公司 | Biodegradable polyester fabric and preparation method therefof |
| CN111334889A (en) * | 2020-03-17 | 2020-06-26 | 广州傲胜人造草股份有限公司 | Completely biodegradable artificial grass filaments and preparation method thereof |
| CN113026143A (en) * | 2021-03-17 | 2021-06-25 | 江苏文明人造草坪有限公司 | Degradable grass fiber for artificial lawn and preparation process thereof |
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Application publication date: 20121128 |