CN1502654A - Nano material modified polythene ground covering film - Google Patents
Nano material modified polythene ground covering film Download PDFInfo
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- CN1502654A CN1502654A CNA021546207A CN02154620A CN1502654A CN 1502654 A CN1502654 A CN 1502654A CN A021546207 A CNA021546207 A CN A021546207A CN 02154620 A CN02154620 A CN 02154620A CN 1502654 A CN1502654 A CN 1502654A
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Abstract
The present invention relates to a nano material modified polyethylene mulch film. It is made up by using (by weight portion) 1-98 portions of polyethylene resin, 1-50 portions of nano-grade calcium carbonate modification material and 0.03-5 portions of working adjuvant.
Description
Technical field
The present invention relates to blow moulded polyethyene ground coating film, especially nanometer material modified polyethylene ground coating film.
Background technology
Along with Agricultural Development, agripast becomes " high-efficiency agriculture " requisite important production means.But the degraded of plastics or decomposition need decades even longer time, and they can cause greatly and lasting pollution to environment.Agricultural mulching is a class of consumption maximum, and it has improved productivity effect on the one hand, is faced with environmental pollution problems simultaneously, does not also meet policy and the international development trend of country about environmental protection and Sustainable development.For this reason, people are attempting various terms of settlement always.Mainly contain two big classes, a kind of way is to make the ground membrane degradation or decompose to alleviate and pollution abatement, and another kind is the way that reclaims the residual mulch film in field.Aspect research and production degradable or decomposition mulch film, people have attempted photodegradation film and Biodegradable mulch, to increase light-converting agent because of existing, photoactive substance or degradation material, need specific installation, the technical requirements height, technical difficulty is big, influence light transmission, problems such as price is also high, most importantly degradative plastic film will adapt with the growth cycle of crop, that is to say that degradative plastic film is subjected to climatic influences, for example, if light-converting agent, photoactive substance or degradation material have been added, mulch film may be degraded before the crop maturation, influence output, if light-converting agent, photoactive substance or degradation material add few, mulch film may just be degraded in for some time after the crop maturation, influence the farming work of back, sometimes degraded period that influences degradative plastic film because of variation such as rainy or the arid etc. of weather, cause the underproduction, just because of this, up to the present also do not have technology maturation, steady quality and the extensive product that uses come out.On the other hand, mulch film reclaims and comprises that manual recovery and machine for recycling mulch film reclaim, difference because of Different Crop habit and cultivation mode, mulch film physical and mechanical properties and ageing resistance are poor, residual membrane area is less, rupture easily during recovery, making the low technical requirements that is difficult to reach production of the rate of recovery of machine for recycling mulch film does not have to use at present; Must not carry out the residual film of manual recovery then, the residual film rate of recovery of manual recovery is higher, but the problem that has mulch film physical and mechanical properties and ageing resistance difference because of mulch film, make that manual recovery efficient is low, cost is high, work is emphasized big, especially resemble the big area intensification production model in Xinjiang, plot is tens mu of mus up to a hundred at most at least, and the problems referred to above are particularly outstanding.In a word, above-mentioned mulch film pollution all causes because of the performance of mulch film own.
Summary of the invention
The object of the present invention is to provide and a kind ofly have that physical and mechanical properties is good, ageing resistance is good, cost is low and be beneficial to recycling, be beneficial to the nanometer material modified polyethylene ground coating film of the effect of environmental protection.
The present invention is from the recycling angle of mulch film, guarantee that having of mulch film heats, preserves soil moisture, adds lustre to, students from five types of universities' attitude effect of common agricultural ground films such as volume increase and weed eradication following, reduce cost and improve the physical and mechanical properties of mulch film simultaneously by adding nano level modified material, the artificial and machinery that is beneficial to residual film reclaims.
A kind of nanometer material modified polyethylene ground coating film is to be made by the raw material of the component that contains following umber: polyvinyl resin 1～98, nanometer grade calcium carbonate modified material 1～50, processing aid 0.03～5.
Above-mentioned ground coating film, processing aid are erucicamide or amine hydroxybenzene.
Above-mentioned ground coating film, polyvinyl resin are one or more the mixture in LLDPE, new LDPE (film grade), medium-density polyethylene or the high density polyethylene(HDPE).
Above-mentioned ground coating film, polyvinyl resin are the mixture of 5～28 parts of 70～90 parts of LLDPE and high density polyethylene(HDPE)s.
Above-mentioned ground coating film, polyvinyl resin are the mixture of 3～20 parts of 70～90 parts of LLDPE and new LDPE (film grade)s.
Above-mentioned ground coating film, polyvinyl resin are the mixture of 5～25 parts of 60～90 parts of LLDPE, 3～20 parts of new LDPE (film grade)s and high density polyethylene(HDPE)s.
Above-mentioned ground coating film, polyvinyl resin are the mixture of LLDPE 50～70, new LDPE (film grade) 10～20, medium-density polyethylene 3～15 and high density polyethylene(HDPE) 5～30.
Preparation method of the present invention is: after the umber proportioning adding mixing machine mixing by technique scheme of nanometer grade calcium carbonate modified material, polyvinyl resin and processing aid, send in the storage tank, after automatic charging machine is sent into the forcing machine hopper, material in barrel according to behind certain technological temperature fusion plastification, through extrusion and blow molding, after the traction rolling is prepared into film.
Because of the present invention has added nanometer grade calcium carbonate modified material in the preparation of mulch film, increase along with nanometer grade calcium carbonate modified material deal, the correlated performance of film is improved, the adding of auxiliary agent can make that equally also film is beneficial to the raising of forming process and performance, but auxiliary agent costs an arm and a leg, adding along with nanometer grade calcium carbonate modified material, film performance is improved and improves, then can corresponding minimizing the consumption of relevant auxiliary agent, and nanometer grade calcium carbonate modified material price is low, add and do not change original film production process, greatly reduce production cost, can reduce 100-300 unit/ton, also reach the best proportioning of film performance and cost value simultaneously, solve the conflicting problem of ground film properties and cost well; Moreover, added nanometer grade calcium carbonate modified material, not only do not influence original processing conditions (as technological temperature), and it is good with resin compatible, the inorganic particulate few surface defects of the small particle size in material modified, the non-matching atom is many, and specific surface area is big, big with polymkeric substance generation physics or chemically combined possibility, better dispersed, the interface bonding between particle and matrix can be born bigger load, not only strengthen but also toughness reinforcing purpose thereby reached, improved the performance of mulch film, particularly aspect physical and mechanical properties, tensile loading has improved nearly 2 times than technical indicator, elongation at break has improved 3-5 doubly, right-angle tearing is loaded to have improved more than 2 times and (is seen Table 1), facilitates machinery and manual recovery like this, can improve the rate of recovery, reduce cost recovery, alleviate environmental pollution.If polyvinyl resin is several mixtures of LLDPE, new LDPE (film grade), medium-density polyethylene or high density polyethylene(HDPE), for example polyvinyl resin is the mixture of LLDPE, new LDPE (film grade), high density polyethylene(HDPE), because LLDPE all is better than new LDPE (film grade) and high density polyethylene(HDPE) in intensity, toughness, rigidity, oil-proofness and thermotolerance, but its melt viscosity is big, and processing characteristics is bad; And the new LDPE (film grade) good processability, the transparency of high density polyethylene(HDPE), good mechanical property have reached the best combination of performance so according to a certain ratio, then can further improve the rate of recovery, reduce production and cost recovery, alleviate environmental pollution.
Description of drawings
Subordinate list is a Performance Detection table of the present invention.
Embodiment
Embodiment 1
The present invention is made by the raw material of the component that contains following umber: polyvinyl resin is a LLDPE 1, and nanometer grade calcium carbonate modified material 1, processing aid are erucicamide 0.03.
Embodiment 2
The present invention is made by the raw material of the component that contains following umber: polyvinyl resin is a LLDPE 49, and nanometer grade calcium carbonate modified material 25, processing aid are erucicamide 2.
Embodiment 3
The present invention is made by the raw material of the component that contains following umber: polyvinyl resin is a LLDPE 98, and nanometer grade calcium carbonate modified material 50, processing aid are erucicamide 5.
Embodiment 4
The present invention is made by the raw material of the component that contains following umber: polyvinyl resin is a LLDPE 95, and nanometer grade calcium carbonate modified material 30, processing aid are erucicamide 1.
Embodiment 5
The present invention is made by the raw material of the component that contains following umber: polyvinyl resin is a LLDPE 80, and nanometer grade calcium carbonate modified material 5, processing aid are erucicamide 0.3.
In embodiment 1～5, polyvinyl resin can be any in new LDPE (film grade), medium-density polyethylene or the high density polyethylene(HDPE), and processing aid can be amine hydroxybenzene.
Embodiment 6
Embodiment 6 and embodiment 1～5 arbitrary embodiment difference are that polyvinyl resin is the mixture of 28 parts of 70 parts of LLDPE and high density polyethylene(HDPE)s.
Embodiment 7
Embodiment 7 difference from Example 6 are that polyvinyl resin is the mixture of 16 parts of 80 parts of LLDPE and high density polyethylene(HDPE)s.
Embodiment 8
Embodiment 8 difference from Example 7 are that polyvinyl resin is the mixture of 8 parts of 90 parts of LLDPE and high density polyethylene(HDPE)s.
Embodiment 9
Embodiment 9 is that with embodiment 6～8 differences LLDPE replaces with new LDPE (film grade).
Embodiment 10
Embodiment 10 and embodiment 1～9 arbitrary embodiment difference are that polyvinyl resin is the mixture of 5 parts of 90 parts of LLDPE, 10 parts of new LDPE (film grade)s and high density polyethylene(HDPE)s.
Embodiment 11
Embodiment 11 difference from Example 10 are that polyvinyl resin is the mixture of 8 parts of 70 parts of LLDPE, 20 parts of new LDPE (film grade)s and high density polyethylene(HDPE)s.
Embodiment 12
Embodiment 12 and embodiment 11 differences are that polyvinyl resin is the mixture of 15 parts of 80 parts of LLDPE, 3 parts of new LDPE (film grade)s and high density polyethylene(HDPE)s.
Embodiment 13
Embodiment 13 and embodiment 12 differences are that polyvinyl resin is the mixture of 25 parts of LLDPE part 65,8 parts of new LDPE (film grade)s and high density polyethylene(HDPE)s.
Embodiment 14
Embodiment 14 and embodiment 13 differences are that polyvinyl resin is the mixture of 5 parts of 60 parts of LLDPE, 3 parts of new LDPE (film grade)s and high density polyethylene(HDPE)s.
Embodiment 15
Embodiment 15 is that with embodiment 1～14 arbitrary embodiment difference polyvinyl resin is the mixture of LLDPE 50, new LDPE (film grade) 10, medium-density polyethylene 3 and high density polyethylene(HDPE) 30.
Embodiment 16
Embodiment 16 is that with embodiment 15 differences polyvinyl resin is the mixture of LLDPE 70, new LDPE (film grade) 20, medium-density polyethylene 3 and high density polyethylene(HDPE) 5.
Embodiment 17
Embodiment 17 is that with embodiment 16 differences polyvinyl resin is the mixture of LLDPE 55, new LDPE (film grade) 15, medium-density polyethylene 10 and high density polyethylene(HDPE) 15.
Embodiment 18
Embodiment 18 is that with embodiment 17 differences polyvinyl resin is the mixture of LLDPE 60, new LDPE (film grade) 12, medium-density polyethylene 15 and high density polyethylene(HDPE) 8.
Embodiment 19
Embodiment 19 is that with embodiment 18 differences polyvinyl resin is the mixture of LLDPE 65, new LDPE (film grade) 18, medium-density polyethylene 5 and high density polyethylene(HDPE) 10.
Embodiment 20
Embodiment 20 is that with embodiment 19 differences polyvinyl resin is the mixture of LLDPE 58, new LDPE (film grade) 12, medium-density polyethylene 3 and high density polyethylene(HDPE) 25.
Subordinate list
| Test item | Unit | Technical requirements | (10 times flat for detected result |
| Tensile loading (vertical/laterally) | N | ≥1.3 | ?2.8/2.2 |
| Elongation at break (vertical/laterally) | ％ | ≥120 | ?430/672 |
| The right-angle tearing load is (vertical/horizontal stroke | N | ≥0.5 | ?1.0/1.3 |
Claims (7)
1, a kind of nanometer material modified polyethylene ground coating film is characterized in that being made by the raw material of the component that contains following umber: polyvinyl resin 1～98, nanometer grade calcium carbonate modified material 1～50, processing aid 0.03～5.
2, ground as claimed in claim 1 coating film is characterized in that processing aid is erucicamide or amine hydroxybenzene.
3, ground as claimed in claim 1 or 2 coating film is characterized in that polyvinyl resin is one or more the mixture in LLDPE, new LDPE (film grade), medium-density polyethylene or the high density polyethylene(HDPE).
4, ground as claimed in claim 3 coating film is characterized in that polyvinyl resin is the mixture of 5～28 parts of 70～90 parts of LLDPE and high density polyethylene(HDPE)s.
5, ground as claimed in claim 3 coating film is characterized in that polyvinyl resin is the mixture of 3～20 parts of 70～90 parts of LLDPE and new LDPE (film grade)s.
6, ground as claimed in claim 3 coating film is characterized in that polyvinyl resin is the mixture of 5～25 parts of 60～90 parts of LLDPE, 3～20 parts of new LDPE (film grade)s and high density polyethylene(HDPE)s.
7, ground as claimed in claim 3 coating film is characterized in that polyvinyl resin is the mixture of LLDPE 50～70, new LDPE (film grade) 10～20, medium-density polyethylene 3～15 and high density polyethylene(HDPE) 5～30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021546207A CN1296423C (en) | 2002-11-26 | 2002-11-26 | Nano material modified polythene ground covering film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021546207A CN1296423C (en) | 2002-11-26 | 2002-11-26 | Nano material modified polythene ground covering film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1502654A true CN1502654A (en) | 2004-06-09 |
| CN1296423C CN1296423C (en) | 2007-01-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021546207A Expired - Fee Related CN1296423C (en) | 2002-11-26 | 2002-11-26 | Nano material modified polythene ground covering film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1296423C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336950A (en) * | 2011-07-23 | 2012-02-01 | 佛山市衡龙科技有限公司 | LDPE (Low-Density Polyethylene) agricultural film composite material and preparation process thereof |
| CN102660074A (en) * | 2012-05-18 | 2012-09-12 | 天水天宝塑业有限责任公司 | Special weather-resisting functional mulching film capable of being used for two years |
| CN102660073A (en) * | 2012-05-18 | 2012-09-12 | 天水天宝塑业有限责任公司 | Black functional mulching film special for potatoes |
| CN102660072A (en) * | 2012-05-18 | 2012-09-12 | 天水天宝塑业有限责任公司 | Special weather-proof perforated mulching film for full-film covering and double-ridge furrow sowing |
| CN102675725A (en) * | 2012-05-18 | 2012-09-19 | 天水天宝塑业有限责任公司 | Special black weed-removal mulching film for traditional Chinese medicinal materials |
| CN102675724A (en) * | 2012-05-18 | 2012-09-19 | 天水天宝塑业有限责任公司 | Black functional mulch dedicated for fruit tree |
| CN103828662A (en) * | 2012-11-27 | 2014-06-04 | 新疆天业（集团）有限公司 | Weed-killing mulching film special for under-mulch drip irrigation rice cropping and production method of weed-killing mulching film special for under-mulch drip irrigation rice cropping |
| CN105666901A (en) * | 2016-01-08 | 2016-06-15 | 安庆市季彤工贸有限公司 | Preparation method of polyethylene (PE) film |
| CN105985564A (en) * | 2015-02-09 | 2016-10-05 | 东峥企业有限公司 | Agricultural cover film having high carbon content |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1373151A (en) * | 2001-03-01 | 2002-10-09 | 包头市塑料制品工业科学研究所 | Process for preparing calcium carbonate/polyethylene nano-composite material |
-
2002
- 2002-11-26 CN CNB021546207A patent/CN1296423C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336950A (en) * | 2011-07-23 | 2012-02-01 | 佛山市衡龙科技有限公司 | LDPE (Low-Density Polyethylene) agricultural film composite material and preparation process thereof |
| CN102336950B (en) * | 2011-07-23 | 2013-09-11 | 佛山市衡龙科技有限公司 | LDPE (Low-Density Polyethylene) agricultural film composite material and preparation process thereof |
| CN102660074A (en) * | 2012-05-18 | 2012-09-12 | 天水天宝塑业有限责任公司 | Special weather-resisting functional mulching film capable of being used for two years |
| CN102660073A (en) * | 2012-05-18 | 2012-09-12 | 天水天宝塑业有限责任公司 | Black functional mulching film special for potatoes |
| CN102660072A (en) * | 2012-05-18 | 2012-09-12 | 天水天宝塑业有限责任公司 | Special weather-proof perforated mulching film for full-film covering and double-ridge furrow sowing |
| CN102675725A (en) * | 2012-05-18 | 2012-09-19 | 天水天宝塑业有限责任公司 | Special black weed-removal mulching film for traditional Chinese medicinal materials |
| CN102675724A (en) * | 2012-05-18 | 2012-09-19 | 天水天宝塑业有限责任公司 | Black functional mulch dedicated for fruit tree |
| CN102675725B (en) * | 2012-05-18 | 2013-09-04 | 天水天宝塑业有限责任公司 | Special black weed-removal mulching film for traditional Chinese medicinal materials |
| CN102660072B (en) * | 2012-05-18 | 2013-09-18 | 天水天宝塑业有限责任公司 | Special weather-proof perforated mulching film for full-film covering and double-ridge furrow sowing |
| CN103828662A (en) * | 2012-11-27 | 2014-06-04 | 新疆天业（集团）有限公司 | Weed-killing mulching film special for under-mulch drip irrigation rice cropping and production method of weed-killing mulching film special for under-mulch drip irrigation rice cropping |
| CN105985564A (en) * | 2015-02-09 | 2016-10-05 | 东峥企业有限公司 | Agricultural cover film having high carbon content |
| CN105666901A (en) * | 2016-01-08 | 2016-06-15 | 安庆市季彤工贸有限公司 | Preparation method of polyethylene (PE) film |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1296423C (en) | 2007-01-24 |
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