CN105860558A - Preparation method of high-strength environment-friendly plastic bag for packaging - Google Patents
Preparation method of high-strength environment-friendly plastic bag for packaging Download PDFInfo
- Publication number
- CN105860558A CN105860558A CN201610229892.1A CN201610229892A CN105860558A CN 105860558 A CN105860558 A CN 105860558A CN 201610229892 A CN201610229892 A CN 201610229892A CN 105860558 A CN105860558 A CN 105860558A
- Authority
- CN
- China
- Prior art keywords
- plastic bag
- preparation
- parts
- packaging
- strength degree
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- 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
Abstract
The invention discloses a preparation method of a high-strength environment-friendly plastic bag for packaging. The method comprises the following steps of plant fiber preparation, raw material treatment, extrusion pelletization, film blowing forming and bag forming. The tensile strength of the plastic bag ranges from 5 MPa to 8 MPa, the elongation at break of the plastic bag ranges from 10% to 20%, and the degradation rate of the plastic bag is 90% or above. The preparation method of the high-strength environment-friendly plastic bag for packaging is simple in technology and easy to achieve, and by means of the scientific formula design and preparation technology, the prepared plastic bag has excellent structural strength and anti-shock performance, has an all-dimensional protection effect on a packaged object, has biodegradation and light degradation performance and can effectively reduce environmental pollution.
Description
Technical field
The present invention relates to be packed for polybag field, particularly relate to the preparation method of a kind of packaging high-strength degree Environment-friendlyplastic plastic bag.
Background technology
Polybag is because it is cheap, weight advantage extremely light, that be easy to receive is widely used, always in occupation of important position in the life of people.But traditional polybag is not owing to degrading, use discarded rear serious environment pollution so that it is benefit from and be extremely limited.At present, market occurs in that substantial amounts of degradable plastic bag, but intensity is relatively low mostly, it is impossible to meet and use requirement.
Summary of the invention
The technical problem that present invention mainly solves is to provide the preparation method of a kind of packaging high-strength degree Environment-friendlyplastic plastic bag, it is possible to solve the problems referred to above that existing packaging bag exists.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provides the preparation method of a kind of packaging high-strength degree Environment-friendlyplastic plastic bag, comprises the steps:
(1) string is prepared: straw and the suitable quantity of water of 20～30 weight portions are added the high speed grinding wheel system of exchanging views and be cracked into coarse fiber bundle, then with high speed fluffer above-mentioned fibre bundle isolated single fiber, then with string cutter, single fiber is cut into the string of applicable length；
(2) Feedstock treating: after taking a certain amount of filler, plant amylum, calcium carbonate crystal whisker mixing, add a certain amount of silane coupler and polypropylene compatilizer, be uniformly mixed with high-speed mixer；
(3) extruding pelletization: the material mixing that will obtain in step (1) and step (2), is subsequently adding the low density polyethylene (LDPE) of 15～20 parts, the acrylic resin of 10～15 parts and 0.1～0.5 part of sensitising agent, after mixed at high speed, uses double-screw extruding pelletizing；
(4) blowfilm shaping: the pellet inflation film manufacturing machine obtained in step (3) is blow molded into certain thickness coating materials；
(5) bag shaping: after the coating materials cooling that will obtain in step (4), flanging processes, and is finally manufactured into described packaging high-strength degree Environment-friendlyplastic plastic bag with Bag Making Machine.
In a preferred embodiment of the present invention, in described step (1), the consumption of described water is the 13～18% of straw gross weight；The rotating speed of described high speed fluffer is 5000～9000r/min；A length of the 5 of string～8mm.
In a preferred embodiment of the present invention, described straw is the mixture that maize straw and rice straw mix with the mass ratio of 1～2:3～5.
In a preferred embodiment of the present invention, in described step (2), the consumption of described filler, plant amylum, calcium carbonate crystal whisker, silane coupler and polypropylene compatilizer is: by weight, filler 10～20 parts, plant amylum 10～20 parts, calcium carbonate crystal whisker 10～20 parts, silane coupler 3～5 parts, polypropylene compatilizer 5～8 parts.
In a preferred embodiment of the present invention, described filler is the mixture that wood powder, potter's clay and montmorillonite mix with the mass ratio of 2～3:1～2:1；Described plant amylum is the mixture that cornstarch, farina and tapioca mix with the mass ratio of 3～5:2～3:1.
In a preferred embodiment of the present invention, in described step (4), described blown film temperature is 140～165 DEG C, and film thickness is 0.2～0.5mm.
The invention has the beneficial effects as follows: the preparation method of the present invention a kind of packaging high-strength degree Environment-friendlyplastic plastic bag; technique is simple; easily realize; it is designed and preparation technology by the formula of science; prepared polybag is made to have structural strength and the shockproof properties of excellence; packing material is played omnibearing protective effect, and there is biodegradable and light degradation property, effectively reduce environmental pollution.
Detailed description of the invention
Below presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
The embodiment of the present invention includes:
Embodiment 1
The preparation method of a kind of packaging high-strength degree Environment-friendlyplastic plastic bag, comprises the steps:
(1) string is prepared: by the straw of 20 weight portions (including the maize straw mixed with the mass ratio of 1:3 and rice straw) with account for the water addition high speed grinding wheel system of exchanging views of described straw gross weight 13% and be cracked into coarse fiber bundle, then under conditions of rotating speed is 5000r/min, above-mentioned fibre bundle is separated into single fiber with high speed fluffer, then with string cutter, single fiber is cut into the chopped fiber of a length of 5～8mm；
(2) Feedstock treating: by weight, after taking the filler of 10 parts, the plant amylum of 10 parts, the calcium carbonate crystal whisker mixing of 10 parts, adds the silane coupler of 3 parts and the polypropylene compatilizer of 5 parts, is uniformly mixed with high-speed mixer；
Wherein, filler is the mixture that wood powder, potter's clay and montmorillonite mix with the mass ratio of 2:1:1；Plant amylum is the mixture that cornstarch, farina and tapioca mix with the mass ratio of 3:2:1；
(3) extruding pelletization: the material mixing that will obtain in step (1) and step (2), is subsequently adding the low density polyethylene (LDPE) that weight portion is 15 parts, the acrylic resin of 10 parts and the sensitising agent of 0.1 part, after mixed at high speed, uses double-screw extruding pelletizing；
(4) blowfilm shaping: the pellet inflation film manufacturing machine obtained in step (3) is blow molded into the coating materials that thickness is 0.2～0.5mm at a temperature of 140～165 DEG C；
(5) bag shaping: after the coating materials cooling that will obtain in step (4), flanging processes, and is finally manufactured into described packaging high-strength degree Environment-friendlyplastic plastic bag with Bag Making Machine.
Embodiment 2
The preparation method of a kind of packaging high-strength degree Environment-friendlyplastic plastic bag, comprises the steps:
(1) string is prepared: by the straw of 30 weight portions (including the maize straw mixed with the mass ratio of 2:5 and rice straw) with account for the water addition high speed grinding wheel system of exchanging views of described straw gross weight 18% and be cracked into coarse fiber bundle, then under conditions of rotating speed is 9000r/min, above-mentioned fibre bundle is separated into single fiber with high speed fluffer, then with string cutter, single fiber is cut into the chopped fiber of a length of 5～8mm；
(2) Feedstock treating: by weight, after taking the filler of 20 parts, the plant amylum of 20 parts, the calcium carbonate crystal whisker mixing of 20 parts, adds the silane coupler of 5 parts and the polypropylene compatilizer of 8 parts, is uniformly mixed with high-speed mixer；
Wherein, filler is the mixture that wood powder, potter's clay and montmorillonite mix with the mass ratio of 3:2:1；Plant amylum is the mixture that cornstarch, farina and tapioca mix with the mass ratio of 5:3:1；
(3) extruding pelletization: the material mixing that will obtain in step (1) and step (2), is subsequently adding the low density polyethylene (LDPE) that weight portion is 20 parts, the acrylic resin of 15 parts and the sensitising agent of 0.5 part, after mixed at high speed, uses double-screw extruding pelletizing；
(4) blowfilm shaping: the pellet inflation film manufacturing machine obtained in step (3) is blow molded into the coating materials that thickness is 0.2～0.5mm at a temperature of 140～165 DEG C；
(5) bag shaping: after the coating materials cooling that will obtain in step (4), flanging processes, and is finally manufactured into described packaging high-strength degree Environment-friendlyplastic plastic bag with Bag Making Machine.
The packaging high-strength degree Environment-friendlyplastic plastic bag that said method obtains, its hot strength is 5～8MPa, and elongation at break is 10～20%, further, since the use of calcium carbonate crystal whisker, also gives the shockproof properties that polybag is excellent.Its material packed can be played omnibearing protective effect by the packaging bag of the present invention, and use discarded after, be more than 85% through biodegradable degradation rate, be more than 90% through biodegradable and photodegradative degradation rate.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (6)
1. the preparation method of a packaging high-strength degree Environment-friendlyplastic plastic bag, it is characterised in that comprise the steps:
(1) string is prepared: straw and the suitable quantity of water of 20～30 weight portions are added the high speed grinding wheel system of exchanging views and be cracked into coarse fiber bundle, then with high speed fluffer above-mentioned fibre bundle isolated single fiber, then with string cutter, single fiber is cut into the string of applicable length；
(2) Feedstock treating: after taking a certain amount of filler, plant amylum, calcium carbonate crystal whisker mixing, add a certain amount of silane coupler and polypropylene compatilizer, be uniformly mixed with high-speed mixer；
(3) extruding pelletization: the material mixing that will obtain in step (1) and step (2), is subsequently adding the low density polyethylene (LDPE) of 15～20 parts, the acrylic resin of 10～15 parts and 0.1～0.5 part of sensitising agent, after mixed at high speed, uses double-screw extruding pelletizing；
(4) blowfilm shaping: the pellet inflation film manufacturing machine obtained in step (3) is blow molded into certain thickness coating materials；
(5) bag shaping: after the coating materials cooling that will obtain in step (4), flanging processes, and is finally manufactured into described packaging high-strength degree Environment-friendlyplastic plastic bag with Bag Making Machine.
The preparation method of packaging high-strength degree Environment-friendlyplastic plastic bag the most according to claim 1, it is characterised in that in described step (1), the consumption of described water is the 13～18% of straw gross weight；The rotating speed of described high speed fluffer is 5000～9000r/min；A length of the 5 of string～8mm.
The preparation method of packaging high-strength degree Environment-friendlyplastic plastic bag the most according to claim 2, it is characterised in that described straw is the mixture that maize straw and rice straw mix with the mass ratio of 1～2:3～5.
The preparation method of packaging high-strength degree Environment-friendlyplastic plastic bag the most according to claim 1, it is characterized in that, in described step (2), the consumption of described filler, plant amylum, calcium carbonate crystal whisker, silane coupler and polypropylene compatilizer is: by weight, filler 10～20 parts, plant amylum 10～20 parts, calcium carbonate crystal whisker 10～20 parts, silane coupler 3～5 parts, polypropylene compatilizer 5～8 parts.
5. according to the preparation method of the packaging high-strength degree Environment-friendlyplastic plastic bag described in claim 1 or 4, it is characterised in that described filler is the mixture that wood powder, potter's clay and montmorillonite mix with the mass ratio of 2～3:1～2:1；Described plant amylum is the mixture that cornstarch, farina and tapioca mix with the mass ratio of 3～5:2～3:1.
The preparation method of packaging high-strength degree Environment-friendlyplastic plastic bag the most according to claim 1, it is characterised in that in described step (4), described blown film temperature is 140～165 DEG C, and film thickness is 0.2～0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610229892.1A CN105860558A (en) | 2016-04-14 | 2016-04-14 | Preparation method of high-strength environment-friendly plastic bag for packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610229892.1A CN105860558A (en) | 2016-04-14 | 2016-04-14 | Preparation method of high-strength environment-friendly plastic bag for packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105860558A true CN105860558A (en) | 2016-08-17 |
Family
ID=56637973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610229892.1A Pending CN105860558A (en) | 2016-04-14 | 2016-04-14 | Preparation method of high-strength environment-friendly plastic bag for packaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105860558A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109320948A (en) * | 2018-10-18 | 2019-02-12 | 吴江市英力达塑料包装有限公司 | A kind of preparation method of the degradable plastic package material of environmental protection |
| CN109651678A (en) * | 2018-10-31 | 2019-04-19 | 巢湖市劲邦塑料包装有限公司 | A kind of high-strength environment-friendly polybag and its production method |
| CN109912849A (en) * | 2019-03-27 | 2019-06-21 | 无锡纯宇环保制品有限公司 | A kind of household can natural degradation polybag |
| CN111923269A (en) * | 2020-08-12 | 2020-11-13 | 界首市鸿鑫塑业有限公司 | Plastic bag with high mechanical strength and preparation method thereof |
| CN112812377A (en) * | 2021-02-25 | 2021-05-18 | 绍兴上虞伟强包装有限公司 | High-strength medical plastic bag and preparation process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153801A (en) * | 2011-02-28 | 2011-08-17 | 殷正福 | Straw plastic and production method thereof |
| CN102408612A (en) * | 2011-11-23 | 2012-04-11 | 吴江明峰聚氨酯制品有限公司 | Photodegradable and biodegradable polyethylene plastic bag |
| CN104163974A (en) * | 2014-07-31 | 2014-11-26 | 青岛华承天机械制造有限公司 | High-strength environment-friendly plastic bag |
| CN104961946A (en) * | 2015-06-26 | 2015-10-07 | 巢湖市劲邦塑料包装有限公司 | High-performance plastic bag |
-
2016
- 2016-04-14 CN CN201610229892.1A patent/CN105860558A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153801A (en) * | 2011-02-28 | 2011-08-17 | 殷正福 | Straw plastic and production method thereof |
| CN102408612A (en) * | 2011-11-23 | 2012-04-11 | 吴江明峰聚氨酯制品有限公司 | Photodegradable and biodegradable polyethylene plastic bag |
| CN104163974A (en) * | 2014-07-31 | 2014-11-26 | 青岛华承天机械制造有限公司 | High-strength environment-friendly plastic bag |
| CN104961946A (en) * | 2015-06-26 | 2015-10-07 | 巢湖市劲邦塑料包装有限公司 | High-performance plastic bag |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109320948A (en) * | 2018-10-18 | 2019-02-12 | 吴江市英力达塑料包装有限公司 | A kind of preparation method of the degradable plastic package material of environmental protection |
| CN109651678A (en) * | 2018-10-31 | 2019-04-19 | 巢湖市劲邦塑料包装有限公司 | A kind of high-strength environment-friendly polybag and its production method |
| CN109912849A (en) * | 2019-03-27 | 2019-06-21 | 无锡纯宇环保制品有限公司 | A kind of household can natural degradation polybag |
| CN111923269A (en) * | 2020-08-12 | 2020-11-13 | 界首市鸿鑫塑业有限公司 | Plastic bag with high mechanical strength and preparation method thereof |
| CN112812377A (en) * | 2021-02-25 | 2021-05-18 | 绍兴上虞伟强包装有限公司 | High-strength medical plastic bag and preparation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105860558A (en) | Preparation method of high-strength environment-friendly plastic bag for packaging | |
| CN101851355B (en) | Degradable starch-based plastic masterbatch and preparation method thereof | |
| CN106832807B (en) | Controllable full-degradable mulching film of cellulose-reinforced starch and preparation method thereof | |
| CN109111710B (en) | Heat-resistant PLA-based degradable plastic bottle and preparation method thereof | |
| CN102924939B (en) | Waste tire rubber powder-filled plastic wood profile and preparation method thereof | |
| CN103540111A (en) | Fully degradable polylactic acid sheet material with high strength and high-temperature resistance, and preparation method thereof | |
| CN101906234A (en) | Polymethylmethacrylate composition and preparation method thereof | |
| CN102875853A (en) | Degradable plastic and preparation method thereof | |
| WO2012116515A1 (en) | Degradable plastic and manufacturing method thereof | |
| CN105838098A (en) | High-strength green plastic bag used for packaging | |
| CN103435883A (en) | Preparation method of calcium carbonate-filled high-performance degradable polyethylene film | |
| CN102432942A (en) | Non-starch biodegradable plastic film | |
| CN104744733A (en) | Pine-needle powder biodegradable plastics and preparation method thereof | |
| CN107686567A (en) | A kind of preparation method of starch foam plastics | |
| CN104086958B (en) | Inorganic powder height fills double degradation polyolefin film and preparation method thereof | |
| CN104910426A (en) | Full-degradable plastic film taking surface hydrophobically modified starch as base material and preparation method thereof | |
| CN105295111A (en) | Total biomass composite injection moulding material and preparation method thereof | |
| CN107474378A (en) | A kind of degradable foaming packaging material and preparation method thereof | |
| CN109575367B (en) | Thermoplastic starch composite material and preparation method thereof | |
| CN106009258A (en) | Homo-polypropylene/carbon fiber/montmorillonite composite material and preparation method thereof | |
| CN103205023A (en) | Preparation method of bamboo powder/white carbon black composite reinforced starch-based degradable plastic | |
| CN101759896A (en) | Polyethylene modified material for degradable garbage bags and preparation method thereof | |
| TW201217453A (en) | Biodegradable package material and method for preparing the same | |
| CN102115549A (en) | Biodegradable starch-containing high polymer composition and preparation thereof | |
| CN106751436B (en) | Phenolaldehyde moulding compound for thin-wall construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160817 |