CN111320803A - Anti-aging plastic woven bag - Google Patents
Anti-aging plastic woven bag Download PDFInfo
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- CN111320803A CN111320803A CN202010087178.XA CN202010087178A CN111320803A CN 111320803 A CN111320803 A CN 111320803A CN 202010087178 A CN202010087178 A CN 202010087178A CN 111320803 A CN111320803 A CN 111320803A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses an anti-aging plastic woven bag, which belongs to the technical field of woven bags, and has the technical scheme that the raw materials comprise, by weight, 42-60 parts of linear low-density polyethylene, 36-48 parts of polypropylene, 22-34 parts of epoxy resin, 3-8 parts of filler, 1.6-3.2 parts of composite antioxidant, 0.8-2.4 parts of light stabilizer, 1.5-4.3 parts of dispersant and 0.7-1.6 parts of defoamer, so that the effect of improving the anti-aging performance of the plastic woven bag is achieved.
Description
Technical Field
The invention relates to the field of woven bags, in particular to an anti-aging plastic woven bag.
Background
The existing plastic woven bags are various in types, mainly applied to packaging in the fields of cement, waste materials, chemical industry, feed, food and the like, have wide application in production and life, and are mainly made of polypropylene and polyethylene.
The high-quality plastic woven bag can be repeatedly utilized, so that unnecessary resource waste and environmental pollution are reduced, the strength of the plastic woven bag is reduced by 25% after one week and is reduced by 40% after two weeks under the condition of direct sunlight, and the plastic woven bag can not be used basically. The existing plastic woven bag is easy to age, peel and crush under the high temperature and ultraviolet irradiation in summer, and the chain-locking type free radical reaction is initiated by a polypropylene or polyethylene molecular chain under the action of ultraviolet rays, so that the polypropylene or polyethylene molecular chain segment is continuously broken and degraded, and the plastic woven bag is poor in aging resistance and short in service life.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an anti-aging plastic woven bag, which achieves the effect of improving the anti-aging performance of the plastic woven bag.
The technical purpose of the invention is realized by the following technical scheme:
the anti-aging plastic woven bag comprises, by weight, 42-60 parts of linear low-density polyethylene, 36-48 parts of polypropylene, 22-34 parts of epoxy resin, 3-8 parts of filler, 1.6-3.2 parts of composite antioxidant, 0.8-2.4 parts of light stabilizer, 1.5-4.3 parts of dispersant and 0.7-1.6 parts of defoaming agent.
By adopting the technical scheme, the linear low-density polyethylene has the advantages of high strength, good toughness, high rigidity, heat resistance, cold resistance and the like, and also has good environmental stress cracking resistance, impact strength, tearing resistance and the like; the polypropylene has higher impact toughness resistance, strong mechanical property and resistance to corrosion of various organic solvents and acid and alkali, and the strength and the aging resistance of the plastic woven bag can be further improved by matching the epoxy resin with the low-density polyethylene and the polypropylene.
The addition of the filler can reduce the production cost of the plastic woven bag, simultaneously the filler can improve the mechanical properties such as rigidity and toughness of the plastic woven bag, simultaneously the normal temperature stability and the thermal stability of the plastic woven bag can be improved, the aging resistance of the plastic woven bag is improved, and in addition, after the filler is matched with a dispersing agent for use, the dispersing property of the filler in mixed resin can be effectively improved.
The compound antioxidant and the light stabilizer are used in cooperation, ultraviolet rays can be effectively absorbed, and the oxidation resistance of the plastic woven bag is improved, so that the compound antioxidant and the light stabilizer play a role in inhibiting the breakage and degradation of resin molecules in the plastic woven bag, the oxidation induction time of resin molecule materials in the plastic woven bag is delayed, and the aging resistance and the service life of the plastic woven bag are improved.
The invention is further set that the raw materials comprise, by weight, 45-56 parts of linear low density polyethylene, 38-46 parts of polypropylene, 23-32 parts of epoxy resin, 4-7 parts of filler, 1.8-3.1 parts of composite antioxidant, 1.0-2.0 parts of light stabilizer, 2.4-4.1 parts of dispersant and 0.8-1.5 parts of defoaming agent.
By adopting the technical scheme, when the raw materials are in the range, various performances of the plastic woven bag can be further improved, and the service life can be prolonged.
The invention further provides that the weight ratio of the composite antioxidant to the light stabilizer is (1.42-1.65): 1.
By adopting the technical scheme, when the weight ratio of the composite antioxidant to the light stabilizer is (1.42-1.65):1, the aging resistance of the plastic woven bag can be further improved, and the service life of the plastic woven bag is prolonged.
The invention is further set that the filler comprises 4.5-7 parts of straw fiber, 2.6-3.5 parts of calcium stearate, 1.4-2.5 parts of nano zinc oxide and 1.3-2.6 parts of silane coupling agent by weight.
Through adopting above-mentioned technical scheme, the cost is not only reduced to the fibrous joining of straw, also to the environmental protection simultaneously, cellulose in the straw fibre can show the mechanical properties that improves plastic woven sack, lignin in the straw fibre can improve the interface cohesion between fibre and the resin base member, play positive influence to plastic woven sack's thermal stability and waterproof nature, the straw fibre is under the protection of light stabilizer, can effectively prolong plastic woven sack's oxidation induction time, improve plastic woven sack's oxidation resistance, in addition, after straw fibre and silane coupling agent are used in compound, can increase straw fibre and mixed resin's compatibility and adhesion property, thereby prevent that the straw fibre from appearing the precipitation phenomenon.
The calcium stearate has important influence on the color stability and the corrosion resistance of the plastic woven bag, and simultaneously the calcium stearate can absorb acid generated in the oxidative decomposition of the plastic woven bag and halogen remained in polypropylene and linear low-density polyethylene, so that the influence of the remained catalyst on the stability and the aging resistance of the plastic woven bag is eliminated.
The addition of the nano zinc oxide can improve the mechanical property of the plastic woven bag, and meanwhile, the nano zinc oxide has the capability of absorbing ultraviolet rays, and has a strong scattering effect on the ultraviolet rays when the nano zinc oxide is selected.
Therefore, the straw fiber, the calcium stearate and the nano zinc oxide are matched for use, so that the mechanical property of the plastic woven bag can be improved, and the aging resistance of the plastic woven bag can be improved.
The invention is further provided that the compound antioxidant comprises an antioxidant 3114 and an antioxidant 168, and the weight ratio of the antioxidant 3114 to the antioxidant 168 is (1.4-1.6): 1.
By adopting the technical scheme, the antioxidant 3114 can react with the oxidizing free radicals to interrupt the growth of the active chain and inhibit the breakage of the molecular chain; the antioxidant 168 decomposes high-activity hydroperoxide in the plastic into low-activity molecules through the change of the valence of phosphorus atoms in the molecules of the antioxidant 168, so that the antioxidant 3114 is used as a main antioxidant to be matched with the auxiliary antioxidant 168, the breakage and degradation of macromolecular chains in the plastic woven bag can be effectively inhibited, and meanwhile, when the antioxidant 3114 and the antioxidant 168 are compounded for use, the migration performance of the antioxidant in macromolecular substances can be effectively reduced, and the activity of the composite antioxidant is ensured.
The invention further provides that the light stabilizer comprises light stabilizers HS-944 and UV-531, and the weight ratio of the light stabilizers HS-944 to the UV-531 is (0.8-1.2) to (1.1-1.4).
By adopting the technical scheme, the light stabilizer HS-944 contains various functional groups, so that the light stability is high, and meanwhile, because the light stabilizer HS-944 has large molecular weight, excellent heat resistance, oil resistance, lower volatility and mobility and good compatibility with resin, and the UV-531 has good compatibility with resin, after the light stabilizers HS-944 and the UV-531 are used in a matching manner, the ultraviolet rays can be effectively absorbed, the molecular internal structures of the light stabilizers are mutually converted, the light energy is converted into harmless heat energy to be released to the plastic woven bag, the photooxidation reaction is avoided, and the aging resistance of the plastic woven bag is improved.
The invention is further configured that the epoxy resin is fluorinated epoxy resin.
By adopting the technical scheme, the fluorinated epoxy resin has excellent hydrophobicity, moisture resistance, thermal stability and aging resistance, small surface tension, good wettability and high bonding strength.
The invention is further configured that the dispersant is polyethylene wax.
The invention is further provided that the defoaming agent is a silicone defoaming agent.
In conclusion, the invention has the following beneficial effects:
1. the linear low-density polyethylene, the polypropylene, the epoxy resin and the filler are matched for use, so that the cost of the plastic woven bag is reduced, and the mechanical property of the plastic woven bag is effectively improved; the compound antioxidant and the light stabilizer are used in a matched manner, so that the fracture and degradation of resin molecules can be effectively inhibited, the aging resistance of the plastic woven bag is improved, and the service life of the plastic woven bag is prolonged;
2. the straw fiber, the calcium stearate, the nano zinc oxide and the silane coupling agent are used in cooperation in the filler, so that the oxidation induction time of the plastic woven bag can be prolonged, and the ultraviolet ray absorbing capacity can be realized.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
An anti-aging plastic woven bag comprises the following raw materials, by weight, 42 parts of linear low-density polyethylene, 48 parts of polypropylene, 22 parts of fluorinated epoxy resin, 8 parts of a filler, 1.6 parts of a composite antioxidant, 2.4 parts of a light stabilizer, 1.5 parts of polyethylene wax and 1.6 parts of an organosilicon defoaming agent;
wherein the filler comprises 4.5 parts of straw fiber, 3.5 parts of calcium stearate, 1.4 parts of nano zinc oxide and 2.6 parts of silane coupling agent in parts by weight;
the compound antioxidant comprises an antioxidant 3114 and an antioxidant 168, wherein the weight ratio of the antioxidant 3114 to the antioxidant 168 is 1.4: 1; the light stabilizer comprises light stabilizers HS-944 and UV-531, and the weight ratio of the light stabilizers HS-944 to the UV-531 is 0.8: 1.4.
Example 2
An anti-aging plastic woven bag comprises the following raw materials, by weight, 45 parts of linear low-density polyethylene, 46 parts of polypropylene, 23 parts of fluorinated epoxy resin, 7 parts of a filler, 1.8 parts of a composite antioxidant, 2.0 parts of a light stabilizer, 2.4 parts of polyethylene wax and 1.5 parts of a defoaming agent;
wherein, the filler comprises 5 parts of straw fiber, 3.3 parts of calcium stearate, 1.5 parts of nano zinc oxide and 2.4 parts of silane coupling agent according to parts by weight;
the compound antioxidant comprises an antioxidant 3114 and an antioxidant 168, wherein the weight ratio of the antioxidant 3114 to the antioxidant 168 is 1.4: 1; the light stabilizer comprises light stabilizers HS-944 and UV-531, and the weight ratio of the light stabilizers HS-944 to the UV-531 is 0.8: 1.4.
Example 3
An anti-aging plastic woven bag comprises the following raw materials, by weight, 51 parts of linear low-density polyethylene, 42 parts of polypropylene, 28 parts of fluorinated epoxy resin, 6 parts of a filler, 2.4 parts of a composite antioxidant, 1.6 parts of a light stabilizer, 2.9 parts of polyethylene wax and 1.2 parts of an organosilicon defoaming agent;
wherein, the filler comprises 5.8 parts of straw fiber, 3.1 parts of calcium stearate, 2.0 parts of nano zinc oxide and 2.0 parts of silane coupling agent according to parts by weight;
the compound antioxidant comprises an antioxidant 3114 and an antioxidant 168, wherein the weight ratio of the antioxidant 3114 to the antioxidant 168 is 1.5: 1; the light stabilizer comprises light stabilizers HS-944 and UV-531, and the weight ratio of the light stabilizers HS-944 to the UV-531 is 1.0: 1.3.
Example 4
An anti-aging plastic woven bag comprises the following raw materials, by weight, 56 parts of linear low-density polyethylene, 38 parts of polypropylene, 32 parts of fluorinated epoxy resin, 4 parts of a filler, 3.1 parts of a composite antioxidant, 1.0 part of a light stabilizer, 4.1 parts of polyethylene wax and 0.8 part of an organosilicon defoaming agent;
wherein the filler comprises 6.3 parts of straw fiber, 2.8 parts of calcium stearate, 2.3 parts of nano zinc oxide and 1.5 parts of silane coupling agent in parts by weight;
the compound antioxidant comprises an antioxidant 3114 and an antioxidant 168, wherein the weight ratio of the antioxidant 3114 to the antioxidant 168 is 1.6: 1; the light stabilizer comprises light stabilizers HS-944 and UV-531, and the weight ratio of the light stabilizers HS-944 to the UV-531 is 1.2: 1.1.
Example 5
An anti-aging plastic woven bag comprises the following raw materials, by weight, 60 parts of linear low-density polyethylene, 36 parts of polypropylene, 34 parts of fluorinated epoxy resin, 3 parts of a filler, 3.2 parts of a composite antioxidant, 0.8 part of a light stabilizer, 4.3 parts of polyethylene wax and 0.7 part of an organosilicon defoaming agent;
wherein the filler comprises 7 parts of straw fiber, 2.6 parts of calcium stearate, 2.5 parts of nano zinc oxide and 1.3 parts of silane coupling agent in parts by weight;
the compound antioxidant comprises an antioxidant 3114 and an antioxidant 168, wherein the weight ratio of the antioxidant 3114 to the antioxidant 168 is 1.6: 1; the light stabilizer comprises light stabilizers HS-944 and UV-531, and the weight ratio of the light stabilizers HS-944 to the UV-531 is 1.2: 1.1.
Example 6
The difference between the anti-aging plastic woven bag and the embodiment 3 is that the weight ratio of the composite antioxidant to the light stabilizer in the raw materials is 1.42:1, namely 2.3 parts of the composite antioxidant and 1.6 parts of the light stabilizer.
Example 7
The difference between the anti-aging plastic woven bag and the embodiment 3 is that the weight ratio of the composite antioxidant to the light stabilizer in the raw materials is 1.56:1, namely 2.65 parts of the composite antioxidant and 1.7 parts of the light stabilizer.
Example 8
The difference between the anti-aging plastic woven bag and the embodiment 3 is that the weight ratio of the composite antioxidant to the light stabilizer in the raw materials is 1.65:1, namely 3.0 parts of the composite antioxidant and 1.8 parts of the light stabilizer.
Comparative example 1
The difference from the embodiment 3 is that the filler comprises 7.5 parts of straw fiber, 2 parts of calcium stearate, 3.0 parts of nano zinc oxide and 1.0 part of silane coupling agent by weight.
Comparative example 2
The difference from the embodiment 3 is that the filler comprises 4.0 parts of straw fiber, 4.0 parts of calcium stearate, 1.0 part of nano zinc oxide and 3.0 parts of silane coupling agent by weight.
Comparative example 3
The difference from the embodiment 3 is that the raw materials comprise, by weight, 38 parts of linear low density polyethylene, 30 parts of polypropylene, 20 parts of fluorinated epoxy resin, 2 parts of filler, 1.3 parts of composite antioxidant, 0.5 part of light stabilizer, 1.0 part of polyethylene wax and 0.5 part of organosilicon defoamer.
Comparative example 4
The difference from the embodiment 3 is that the raw materials comprise, by weight, 65 parts of linear low density polyethylene, 51 parts of polypropylene, 38 parts of fluorinated epoxy resin, 10 parts of filler, 3.6 parts of composite antioxidant, 2.5 parts of light stabilizer, 4.5 parts of polyethylene wax and 2.0 parts of organosilicon defoamer.
Performance detection
The plastic woven bags prepared in the examples 1 to 8 and the comparative examples 1 to 4 are subjected to performance detection according to GB/T8946-2003, and the detection results are shown in Table 1. The test method of the ageing resistance is tested by referring to the method in GB/T16422.3-1997.
From the above table, it can be seen that:
in examples 1 to 5, the warp direction tensile load and the weft direction tensile load before aging both tend to increase and then decrease, and reach the maximum in example 3, which indicates that the proportion amount in the formula in example 3 is favorable for improving the mechanical properties of the plastic woven bag, and the retention rate of the plastic woven bag in example 3 is greater than that in examples 1 to 2 and examples 4 to 5, which indicates that the amounts of the components in example 3 are matched with each other, so that the aging resistance of the plastic woven bag is effectively improved;
compared with the embodiment 3, when the weight ratio of the composite antioxidant to the light stabilizer is changed, the tensile load performance of the plastic woven bag is slightly influenced, but the retention rate in the embodiment 6-8 is obviously higher than that in the embodiment 3, which shows that when the weight ratio of the composite antioxidant to the light stabilizer is (1.42-1.65):1, the ageing resistance of the plastic woven bag can be further improved;
compared with the embodiment 3, when the straw fiber in the filler is not 4.5-7, the calcium stearate is not 2.6-3.5, the nano zinc oxide is not 1.4-2.5 and the silane coupling agent is not in the range of 1.3-2.6, the aging resistance and the tensile load of the plastic woven bag are lower than those in the embodiment 3, so that the proportion range of the components in the filler can effectively improve the aging resistance and the mechanical property of the plastic woven bag;
compared with the embodiment 3, when the amount of each substance in the raw materials is lower than or higher than the range of the application, the mechanical property and the aging resistance of the plastic woven bag are reduced, so that the formula can effectively improve the mechanical property and the aging resistance of the plastic woven bag.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. An ageing-resistant plastic woven bag is characterized in that: the raw materials comprise, by weight, 42-60 parts of linear low-density polyethylene, 36-48 parts of polypropylene, 22-34 parts of epoxy resin, 3-8 parts of filler, 1.6-3.2 parts of composite antioxidant, 0.8-2.4 parts of light stabilizer, 1.5-4.3 parts of dispersant and 0.7-1.6 parts of defoamer.
2. The woven aging-resistant plastic bag according to claim 1, wherein: the raw materials comprise, by weight, 45-56 parts of linear low-density polyethylene, 38-46 parts of polypropylene, 23-32 parts of epoxy resin, 4-7 parts of filler, 1.8-3.1 parts of composite antioxidant, 1.0-2.0 parts of light stabilizer, 2.4-4.1 parts of dispersant and 0.8-1.5 parts of defoaming agent.
3. The woven aging-resistant plastic bag according to claim 1, wherein: the weight ratio of the composite antioxidant to the light stabilizer is (1.42-1.65) to 1.
4. The woven plastic bag with aging resistance as claimed in any one of claims 1 or 2, wherein: the filler comprises, by weight, 4.5-7 parts of straw fiber, 2.6-3.5 parts of calcium stearate, 1.4-2.5 parts of nano zinc oxide and 1.3-2.6 parts of a silane coupling agent.
5. The woven plastic bag with aging resistance as claimed in claim 1 or 2, wherein: the composite antioxidant comprises an antioxidant 3114 and an antioxidant 168, wherein the weight ratio of the antioxidant 3114 to the antioxidant 168 is (1.4-1.6): 1.
6. The woven plastic bag with aging resistance as claimed in claim 1 or 2, wherein: the light stabilizer comprises light stabilizers HS-944 and UV-531, and the weight ratio of the light stabilizers HS-944 to the UV-531 is (0.8-1.2) to (1.1-1.4).
7. The woven plastic bag with aging resistance as claimed in claim 1 or 2, wherein: the epoxy resin is fluorinated epoxy resin.
8. The woven aging-resistant plastic bag according to claim 1, wherein: the dispersing agent adopts polyethylene wax.
9. The woven aging-resistant plastic bag according to claim 1, wherein: the defoaming agent is an organic silicon defoaming agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010087178.XA CN111320803A (en) | 2020-02-11 | 2020-02-11 | Anti-aging plastic woven bag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010087178.XA CN111320803A (en) | 2020-02-11 | 2020-02-11 | Anti-aging plastic woven bag |
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| CN111320803A true CN111320803A (en) | 2020-06-23 |
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| CN202010087178.XA Pending CN111320803A (en) | 2020-02-11 | 2020-02-11 | Anti-aging plastic woven bag |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112852057A (en) * | 2021-01-19 | 2021-05-28 | 安特普工程塑料（苏州）有限公司 | Anti-aging improved polypropylene composition and preparation method thereof |
| CN115850848A (en) * | 2022-12-29 | 2023-03-28 | 江苏华基包装有限公司 | Anti-aging film for woven bag, anti-aging environment-friendly woven bag and preparation method of anti-aging environment-friendly woven bag |
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| US6063418A (en) * | 1995-12-19 | 2000-05-16 | Fujimori Kogyo Co., Ltd. | Method and container for insecticidally storing grains |
| CN103739934A (en) * | 2013-11-25 | 2014-04-23 | 吴江市董鑫塑料包装厂 | Polypropylene woven bag |
| CN109776942A (en) * | 2017-11-13 | 2019-05-21 | 遵义宏龙塑料有限责任公司 | A kind of sun-proof Polywoven Bag |
| CN110272581A (en) * | 2019-07-08 | 2019-09-24 | 天津市久大塑料制品有限公司 | A kind of composition of raw materials of weathered plastics woven bag |
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2020
- 2020-02-11 CN CN202010087178.XA patent/CN111320803A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6063418A (en) * | 1995-12-19 | 2000-05-16 | Fujimori Kogyo Co., Ltd. | Method and container for insecticidally storing grains |
| CN103739934A (en) * | 2013-11-25 | 2014-04-23 | 吴江市董鑫塑料包装厂 | Polypropylene woven bag |
| CN109776942A (en) * | 2017-11-13 | 2019-05-21 | 遵义宏龙塑料有限责任公司 | A kind of sun-proof Polywoven Bag |
| CN110272581A (en) * | 2019-07-08 | 2019-09-24 | 天津市久大塑料制品有限公司 | A kind of composition of raw materials of weathered plastics woven bag |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112852057A (en) * | 2021-01-19 | 2021-05-28 | 安特普工程塑料（苏州）有限公司 | Anti-aging improved polypropylene composition and preparation method thereof |
| CN115850848A (en) * | 2022-12-29 | 2023-03-28 | 江苏华基包装有限公司 | Anti-aging film for woven bag, anti-aging environment-friendly woven bag and preparation method of anti-aging environment-friendly woven bag |
| CN115850848B (en) * | 2022-12-29 | 2024-04-26 | 江苏华基包装有限公司 | Anti-aging film for woven bag, anti-aging environment-friendly woven bag and preparation method thereof |
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Application publication date: 20200623 |