CN106273568A - A kind of regenerated plastics packaging film production technology - Google Patents
A kind of regenerated plastics packaging film production technology Download PDFInfo
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- CN106273568A CN106273568A CN201610634639.4A CN201610634639A CN106273568A CN 106273568 A CN106273568 A CN 106273568A CN 201610634639 A CN201610634639 A CN 201610634639A CN 106273568 A CN106273568 A CN 106273568A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
Abstract
The invention discloses a kind of regenerated plastics packaging film production technology, described regenerated plastics packaging film production technology, comprise the steps: to select materials, remelting, charging, modification, extrude, cool down, cut, deburring, blowfilm shaping, packaging warehouse-in.Manufacturing process of the present invention is simple, and the regenerated plastics packaging film clean-up performance produced is good, can recycle, decrease environmental pollution, is suitable for large-scale promotion application.
Description
Technical field
The present invention relates to a kind of technical field of plastic package, specifically a kind of regenerated plastics packaging film production technology.
Background technology
Packaging bag refers to the sack for packing various articles for use, makes goods convenient transport in producing the process of circulation, easily
Storage.It is widely used in daily life and commercial production.Prior art is used for manufacture bag membrane and the most generally there is resistance to burning
And the problem of environment-friendly type, cause bag membrane application on some field to be restricted.
Summary of the invention
It is an object of the invention to provide a kind of regenerated plastics packaging film production technology, to solve above-mentioned background technology carries
The problem gone out.
For achieving the above object, the present invention provides following technical scheme:
A kind of regenerated plastics packaging film production technology, it is characterised in that comprise the steps:
(1) select materials: plastic raw materials is screened according to GB/T 10004-2008 standard；
(2) remelting: the plastic raw materials meeting GB/T 10004-2008 standard is joined in microwave high-temperature equipment, temperature
Being 160 DEG C-180 DEG C, high-temperature heating is cooled to 25 DEG C after terminating under nitrogen protection, obtains mixture I；
(3) charging: the mixture I obtained in step (2) is put in autoclave, subsequently add age resister and
Firming agent, uses ultrasonic Treatment, and the power of ultrasound wave is 300W-600W, and ultrasonic treatment time is 15min-30min, super
Sonicated temperature is 120 DEG C-160 DEG C, and the pressure in autoclave is 5MPa-10MPa, obtains mixtures II；
(4) modified: the mixtures II obtained in step (3) to be joined in vacuum chamber, adds modifying agent, vacuum subsequently
Under carry out melt processed, obtain mixtures III；
(5) extrusion: the mixtures III obtained in step (4) is joined in casting machine after melted, then squeezes
Go out curtain coating and make film, obtain semi-finished product；
(6) cooling: the semi-finished product obtained in step (5) are placed in vacuum chamber, when the temperature of temperature semi-finished product is reduced to 4
DEG C time take out；
(7) cutting: after the cooling that will obtain in step (6), semi-finished product are placed in cutting equipment and cut, and must cut
Semi-finished product after cutting；
(8) deburring: the semi-finished product after the cutting that will obtain in step (7) are placed in flash trimmer and carry out deburring,
Obtain the semi-finished product after deburring；
(9) blowfilm shaping: the semi-finished product after the deburring obtain step (8) heat, and heating and temperature control is 60
DEG C-80 DEG C, it is subsequently placed in double-layer coextrusion inflation film manufacturing machine carry out blown film, obtains the semi-finished product after blowfilm shaping；
(10) packaging warehouse-in: the semi-finished product after the blowfilm shaping obtain step (9) are packed, and are then positioned over warehouse
In, MW temperature controls at 4 DEG C-8 DEG C, and warehouse humid control is 40%.
As the further scheme of the present invention: in step (1) plastic raw materials mainly include polyethylene, ethylene vinyl acetate,
Organic silicone oil, tween, silicone, polyphenylene oxide, titanium dioxide, waste rubber granule, corn straw.
As the further scheme of the present invention: in step (2), temperature is 170 DEG C.
As the further scheme of the present invention: described in step (3), age resister mainly includes stearoyl lactylates zinc, propyl group
Bis-phenol, p-phenylenediamine, vinylation aniline, dimethyl pyrimidine, described firming agent mainly includes poly-butyl bis-phenol, phosphite ester, the moon
Cinnamic acid ester, nano silicon, acrylonitrile.
As the further scheme of the present invention: in step (3), the power of ultrasound wave is 458W, ultrasonic treatment time is
21min, ultrasonic Treatment temperature is 140 DEG C, and the pressure in autoclave is 8MPa.
As the further scheme of the present invention: described in step (4), modifying agent mainly includes Polyethylene Glycol, polyethylene
Alcohol, maleic anhydride, acetone, tripolycyanamide, corn starch, sodium cellulosate, xylose.
As the further scheme of the present invention: described in step (5), casting machine is provided with thickness detection apparatus.
Compared with prior art, the invention has the beneficial effects as follows:
Manufacturing process of the present invention is simple, and the regenerated plastics packaging film clean-up performance produced is good, can recycle,
Decrease environmental pollution, be suitable for large-scale promotion application.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of regenerated plastics packaging film production technology, it is characterised in that comprise the steps:
(1) select materials: plastic raw materials is screened according to GB/T 10004-2008 standard；
(2) remelting: the plastic raw materials meeting GB/T 10004-2008 standard is joined in microwave high-temperature equipment, temperature
Being 160 DEG C, high-temperature heating is cooled to 25 DEG C after terminating under nitrogen protection, obtains mixture I；
(3) charging: the mixture I obtained in step (2) is put in autoclave, subsequently add age resister and
Firming agent, uses ultrasonic Treatment, and the power of ultrasound wave is 300W, and ultrasonic treatment time is 15min, ultrasonic Treatment temperature
Being 120 DEG C, the pressure in autoclave is 5MPa, obtains mixtures II；
(4) modified: the mixtures II obtained in step (3) to be joined in vacuum chamber, adds modifying agent, vacuum subsequently
Under carry out melt processed, obtain mixtures III；
(5) extrusion: the mixtures III obtained in step (4) is joined in casting machine after melted, then squeezes
Go out curtain coating and make film, obtain semi-finished product；
(6) cooling: the semi-finished product obtained in step (5) are placed in vacuum chamber, when the temperature of temperature semi-finished product is reduced to 4
DEG C time take out；
(7) cutting: after the cooling that will obtain in step (6), semi-finished product are placed in cutting equipment and cut, and must cut
Semi-finished product after cutting；
(8) deburring: the semi-finished product after the cutting that will obtain in step (7) are placed in flash trimmer and carry out deburring,
Obtain the semi-finished product after deburring；
(9) blowfilm shaping: the semi-finished product after the deburring obtain step (8) heat, and heating and temperature control is 60
DEG C, it is subsequently placed in double-layer coextrusion inflation film manufacturing machine carry out blown film, obtains the semi-finished product after blowfilm shaping；
(10) packaging warehouse-in: the semi-finished product after the blowfilm shaping obtain step (9) are packed, and are then positioned over warehouse
In, MW temperature controls at 4 DEG C, and warehouse humid control is 40%.
Wherein:
In step (1), plastic raw materials mainly includes polyethylene, ethylene vinyl acetate, organic silicone oil, tween, silicone, polyphenyl
Ether, titanium dioxide, waste rubber granule, corn straw.
Described in step (3), age resister mainly includes stearoyl lactylates zinc, propyl group bis-phenol, p-phenylenediamine, vinylation benzene
Amine, dimethyl pyrimidine, described firming agent mainly include poly-butyl bis-phenol, phosphite ester, laurate, nano silicon, third
Alkene nitrile.
Described in step (4), modifying agent mainly includes Polyethylene Glycol, polyvinyl alcohol, maleic anhydride, acetone, melamine
Amine, corn starch, sodium cellulosate, xylose.
Described in step (5), casting machine is provided with thickness detection apparatus.
Embodiment 2
A kind of regenerated plastics packaging film production technology, it is characterised in that comprise the steps:
(1) select materials: plastic raw materials is screened according to GB/T 10004-2008 standard；
(2) remelting: the plastic raw materials meeting GB/T 10004-2008 standard is joined in microwave high-temperature equipment, temperature
Being 160 DEG C, high-temperature heating is cooled to 25 DEG C after terminating under nitrogen protection, obtains mixture I；
(3) charging: the mixture I obtained in step (2) is put in autoclave, subsequently add age resister and
Firming agent, uses ultrasonic Treatment, and the power of ultrasound wave is 320W, and ultrasonic treatment time is 18min, ultrasonic Treatment temperature
Being 131 DEG C, the pressure in autoclave is 6MPa, obtains mixtures II；
(4) modified: the mixtures II obtained in step (3) to be joined in vacuum chamber, adds modifying agent, vacuum subsequently
Under carry out melt processed, obtain mixtures III；
(5) extrusion: the mixtures III obtained in step (4) is joined in casting machine after melted, then squeezes
Go out curtain coating and make film, obtain semi-finished product；
(6) cooling: the semi-finished product obtained in step (5) are placed in vacuum chamber, when the temperature of temperature semi-finished product is reduced to 4
DEG C time take out；
(7) cutting: after the cooling that will obtain in step (6), semi-finished product are placed in cutting equipment and cut, and must cut
Semi-finished product after cutting；
(8) deburring: the semi-finished product after the cutting that will obtain in step (7) are placed in flash trimmer and carry out deburring,
Obtain the semi-finished product after deburring；
(9) blowfilm shaping: the semi-finished product after the deburring obtain step (8) heat, and heating and temperature control is 60
DEG C, it is subsequently placed in double-layer coextrusion inflation film manufacturing machine carry out blown film, obtains the semi-finished product after blowfilm shaping；
(10) packaging warehouse-in: the semi-finished product after the blowfilm shaping obtain step (9) are packed, and are then positioned over warehouse
In, MW temperature controls at 4 DEG C, and warehouse humid control is 40%.
Wherein:
In step (1), plastic raw materials mainly includes polyethylene, ethylene vinyl acetate, organic silicone oil, tween, silicone, polyphenyl
Ether, titanium dioxide, waste rubber granule, corn straw.
Described in step (3), age resister mainly includes stearoyl lactylates zinc, propyl group bis-phenol, p-phenylenediamine, vinylation benzene
Amine, dimethyl pyrimidine, described firming agent mainly include poly-butyl bis-phenol, phosphite ester, laurate, nano silicon, third
Alkene nitrile.
Described in step (4), modifying agent mainly includes Polyethylene Glycol, polyvinyl alcohol, maleic anhydride, acetone, melamine
Amine, corn starch, sodium cellulosate, xylose.
Described in step (5), casting machine is provided with thickness detection apparatus.
Embodiment 3
A kind of regenerated plastics packaging film production technology, it is characterised in that comprise the steps:
(1) select materials: plastic raw materials is screened according to GB/T 10004-2008 standard；
(2) remelting: the plastic raw materials meeting GB/T 10004-2008 standard is joined in microwave high-temperature equipment, temperature
Being 170 DEG C, high-temperature heating is cooled to 25 DEG C after terminating under nitrogen protection, obtains mixture I；
(3) charging: the mixture I obtained in step (2) is put in autoclave, subsequently add age resister and
Firming agent, uses ultrasonic Treatment, and the power of ultrasound wave is 458W, and ultrasonic treatment time is 21min, ultrasonic Treatment temperature
Being 140 DEG C, the pressure in autoclave is 8MPa, obtains mixtures II；
(4) modified: the mixtures II obtained in step (3) to be joined in vacuum chamber, adds modifying agent, vacuum subsequently
Under carry out melt processed, obtain mixtures III；
(5) extrusion: the mixtures III obtained in step (4) is joined in casting machine after melted, then squeezes
Go out curtain coating and make film, obtain semi-finished product；
(6) cooling: the semi-finished product obtained in step (5) are placed in vacuum chamber, when the temperature of temperature semi-finished product is reduced to 4
DEG C time take out；
(7) cutting: after the cooling that will obtain in step (6), semi-finished product are placed in cutting equipment and cut, and must cut
Semi-finished product after cutting；
(8) deburring: the semi-finished product after the cutting that will obtain in step (7) are placed in flash trimmer and carry out deburring,
Obtain the semi-finished product after deburring；
(9) blowfilm shaping: the semi-finished product after the deburring obtain step (8) heat, and heating and temperature control is 70
DEG C, it is subsequently placed in double-layer coextrusion inflation film manufacturing machine carry out blown film, obtains the semi-finished product after blowfilm shaping；
(10) packaging warehouse-in: the semi-finished product after the blowfilm shaping obtain step (9) are packed, and are then positioned over warehouse
In, MW temperature controls at 6 DEG C, and warehouse humid control is 40%.
Wherein:
In step (1), plastic raw materials mainly includes polyethylene, ethylene vinyl acetate, organic silicone oil, tween, silicone, polyphenyl
Ether, titanium dioxide, waste rubber granule, corn straw.
Described in step (3), age resister mainly includes stearoyl lactylates zinc, propyl group bis-phenol, p-phenylenediamine, vinylation benzene
Amine, dimethyl pyrimidine, described firming agent mainly include poly-butyl bis-phenol, phosphite ester, laurate, nano silicon, third
Alkene nitrile.
Described in step (4), modifying agent mainly includes Polyethylene Glycol, polyvinyl alcohol, maleic anhydride, acetone, melamine
Amine, corn starch, sodium cellulosate, xylose.
Described in step (5), casting machine is provided with thickness detection apparatus.
Embodiment 4
A kind of regenerated plastics packaging film production technology, it is characterised in that comprise the steps:
(1) select materials: plastic raw materials is screened according to GB/T 10004-2008 standard；
(2) remelting: the plastic raw materials meeting GB/T 10004-2008 standard is joined in microwave high-temperature equipment, temperature
Being 171 DEG C, high-temperature heating is cooled to 25 DEG C after terminating under nitrogen protection, obtains mixture I；
(3) charging: the mixture I obtained in step (2) is put in autoclave, subsequently add age resister and
Firming agent, uses ultrasonic Treatment, and the power of ultrasound wave is 536W, and ultrasonic treatment time is 27min, ultrasonic Treatment temperature
Being 152 DEG C, the pressure in autoclave is 9MPa, obtains mixtures II；
(4) modified: the mixtures II obtained in step (3) to be joined in vacuum chamber, adds modifying agent, vacuum subsequently
Under carry out melt processed, obtain mixtures III；
(5) extrusion: the mixtures III obtained in step (4) is joined in casting machine after melted, then squeezes
Go out curtain coating and make film, obtain semi-finished product；
(6) cooling: the semi-finished product obtained in step (5) are placed in vacuum chamber, when the temperature of temperature semi-finished product is reduced to 4
DEG C time take out；
(7) cutting: after the cooling that will obtain in step (6), semi-finished product are placed in cutting equipment and cut, and must cut
Semi-finished product after cutting；
(8) deburring: the semi-finished product after the cutting that will obtain in step (7) are placed in flash trimmer and carry out deburring,
Obtain the semi-finished product after deburring；
(9) blowfilm shaping: the semi-finished product after the deburring obtain step (8) heat, and heating and temperature control is 73
DEG C, it is subsequently placed in double-layer coextrusion inflation film manufacturing machine carry out blown film, obtains the semi-finished product after blowfilm shaping；
(10) packaging warehouse-in: the semi-finished product after the blowfilm shaping obtain step (9) are packed, and are then positioned over warehouse
In, MW temperature controls at 7 DEG C, and warehouse humid control is 40%.
Wherein:
In step (1), plastic raw materials mainly includes polyethylene, ethylene vinyl acetate, organic silicone oil, tween, silicone, polyphenyl
Ether, titanium dioxide, waste rubber granule, corn straw.
Described in step (3), age resister mainly includes stearoyl lactylates zinc, propyl group bis-phenol, p-phenylenediamine, vinylation benzene
Amine, dimethyl pyrimidine, described firming agent mainly include poly-butyl bis-phenol, phosphite ester, laurate, nano silicon, third
Alkene nitrile.
Described in step (4), modifying agent mainly includes Polyethylene Glycol, polyvinyl alcohol, maleic anhydride, acetone, melamine
Amine, corn starch, sodium cellulosate, xylose.
Described in step (5), casting machine is provided with thickness detection apparatus.
Embodiment 5
A kind of regenerated plastics packaging film production technology, it is characterised in that comprise the steps:
(1) select materials: plastic raw materials is screened according to GB/T 10004-2008 standard；
(2) remelting: the plastic raw materials meeting GB/T 10004-2008 standard is joined in microwave high-temperature equipment, temperature
Being 180 DEG C, high-temperature heating is cooled to 25 DEG C after terminating under nitrogen protection, obtains mixture I；
(3) charging: the mixture I obtained in step (2) is put in autoclave, subsequently add age resister and
Firming agent, uses ultrasonic Treatment, and the power of ultrasound wave is 600W, and ultrasonic treatment time is 30min, ultrasonic Treatment temperature
Being 160 DEG C, the pressure in autoclave is 10MPa, obtains mixtures II；
(4) modified: the mixtures II obtained in step (3) to be joined in vacuum chamber, adds modifying agent, vacuum subsequently
Under carry out melt processed, obtain mixtures III；
(5) extrusion: the mixtures III obtained in step (4) is joined in casting machine after melted, then squeezes
Go out curtain coating and make film, obtain semi-finished product；
(6) cooling: the semi-finished product obtained in step (5) are placed in vacuum chamber, when the temperature of temperature semi-finished product is reduced to 4
DEG C time take out；
(7) cutting: after the cooling that will obtain in step (6), semi-finished product are placed in cutting equipment and cut, and must cut
Semi-finished product after cutting；
(8) deburring: the semi-finished product after the cutting that will obtain in step (7) are placed in flash trimmer and carry out deburring,
Obtain the semi-finished product after deburring；
(9) blowfilm shaping: the semi-finished product after the deburring obtain step (8) heat, and heating and temperature control is 80
DEG C, it is subsequently placed in double-layer coextrusion inflation film manufacturing machine carry out blown film, obtains the semi-finished product after blowfilm shaping；
(10) packaging warehouse-in: the semi-finished product after the blowfilm shaping obtain step (9) are packed, and are then positioned over warehouse
In, MW temperature controls at 8 DEG C, and warehouse humid control is 40%.
Wherein:
In step (1), plastic raw materials mainly includes polyethylene, ethylene vinyl acetate, organic silicone oil, tween, silicone, polyphenyl
Ether, titanium dioxide, waste rubber granule, corn straw.
Described in step (3), age resister mainly includes stearoyl lactylates zinc, propyl group bis-phenol, p-phenylenediamine, vinylation benzene
Amine, dimethyl pyrimidine, described firming agent mainly include poly-butyl bis-phenol, phosphite ester, laurate, nano silicon, third
Alkene nitrile.
Described in step (4), modifying agent mainly includes Polyethylene Glycol, polyvinyl alcohol, maleic anhydride, acetone, melamine
Amine, corn starch, sodium cellulosate, xylose.
Described in step (5), casting machine is provided with thickness detection apparatus.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (7)
1. a regenerated plastics packaging film production technology, it is characterised in that comprise the steps:
(1) select materials: plastic raw materials is screened according to GB/T 10004-2008 standard；
(2) remelting: join in microwave high-temperature equipment by the plastic raw materials meeting GB/T 10004-2008 standard, temperature is 160
DEG C-180 DEG C, high-temperature heating is cooled to 25 DEG C after terminating under nitrogen protection, obtains mixture I；
(3) charging: put in autoclave by the mixture I obtained in step (2), adds age resister and solidification subsequently
Agent, uses ultrasonic Treatment, and the power of ultrasound wave is 300W-600W, and ultrasonic treatment time is 15min-30min, ultrasound wave
Treatment temperature is 120 DEG C-160 DEG C, and the pressure in autoclave is 5MPa-10MPa, obtains mixtures II；
(4) modified: the mixtures II obtained in step (3) to be joined in vacuum chamber, adds subsequently to enter under modifying agent, vacuum
Row melt processed, obtains mixtures III；
(5) extrusion: the mixtures III obtained in step (4) is joined in casting machine after melted, then carries out extrudate flow
Prolong and make film, obtain semi-finished product；
(6) cooling: the semi-finished product obtained in step (5) are placed in vacuum chamber, when the temperature of temperature semi-finished product is reduced to 4 DEG C
Take out；
(7) cutting: after the cooling that will obtain in step (6), semi-finished product are placed in cutting equipment and cut, after obtaining cutting
Semi-finished product；
(8) deburring: the semi-finished product after the cutting that will obtain in step (7) are placed in flash trimmer and carry out deburring, to obtain final product
Semi-finished product after deburring；
(9) blowfilm shaping: the semi-finished product after the deburring obtain step (8) heat, and heating and temperature control is at 60 DEG C-80
DEG C, it is subsequently placed in double-layer coextrusion inflation film manufacturing machine carry out blown film, obtains the semi-finished product after blowfilm shaping；
(10) packaging warehouse-in: the semi-finished product after the blowfilm shaping obtain step (9) are packed, and are then positioned in warehouse,
MW temperature controls at 4 DEG C-8 DEG C, and warehouse humid control is 40%.
Regenerated plastics packaging film production technology the most according to claim 1, it is characterised in that plastic raw materials in step (1)
Mainly include polyethylene, ethylene vinyl acetate, organic silicone oil, tween, silicone, polyphenylene oxide, titanium dioxide, waste rubber granule,
Corn straw.
Regenerated plastics packaging film production technology the most according to claim 1 and 2, it is characterised in that in step (2), temperature
It it is 170 DEG C.
Regenerated plastics packaging film production technology the most according to claim 3, it is characterised in that anti-ageing described in step (3)
Agent mainly includes stearoyl lactylates zinc, propyl group bis-phenol, p-phenylenediamine, vinylation aniline, dimethyl pyrimidine, described firming agent master
Including poly-butyl bis-phenol, phosphite ester, laurate, nano silicon, acrylonitrile.
Regenerated plastics packaging film production technology the most according to claim 4, it is characterised in that ultrasound wave in step (3)
Power is 458W, and ultrasonic treatment time is 21min, and ultrasonic Treatment temperature is 140 DEG C, and the pressure in autoclave is
8MPa。
Regenerated plastics packaging film production technology the most according to claim 5, it is characterised in that modified described in step (4)
Reagent mainly includes Polyethylene Glycol, polyvinyl alcohol, maleic anhydride, acetone, tripolycyanamide, corn starch, sodium cellulosate, xylose.
Regenerated plastics packaging film production technology the most according to claim 6, it is characterised in that be cast described in step (5)
Machine is provided with thickness detection apparatus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610634639.4A CN106273568A (en) | 2016-08-03 | 2016-08-03 | A kind of regenerated plastics packaging film production technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634639.4A CN106273568A (en) | 2016-08-03 | 2016-08-03 | A kind of regenerated plastics packaging film production technology |
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Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973232A (en) * | 2018-07-20 | 2018-12-11 | 长兴江美包装有限公司 | A kind of FFS runner exhaust packaging bag production technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115771A (en) * | 1993-11-18 | 1996-01-31 | 广西大学 | Biologically-degraded plastics and its prodn process |
| CN104441710A (en) * | 2014-12-16 | 2015-03-25 | 天津市凯旋塑料制品有限公司 | Plastic film production process |
| CN104985841A (en) * | 2015-06-03 | 2015-10-21 | 张家港安达塑料制品有限公司 | Preparation method of disposable plastic product |
-
2016
- 2016-08-03 CN CN201610634639.4A patent/CN106273568A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115771A (en) * | 1993-11-18 | 1996-01-31 | 广西大学 | Biologically-degraded plastics and its prodn process |
| CN104441710A (en) * | 2014-12-16 | 2015-03-25 | 天津市凯旋塑料制品有限公司 | Plastic film production process |
| CN104985841A (en) * | 2015-06-03 | 2015-10-21 | 张家港安达塑料制品有限公司 | Preparation method of disposable plastic product |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973232A (en) * | 2018-07-20 | 2018-12-11 | 长兴江美包装有限公司 | A kind of FFS runner exhaust packaging bag production technology |
| CN108973232B (en) * | 2018-07-20 | 2020-01-07 | 长兴江美包装有限公司 | Production process of FFS (fan filter) runner exhaust packaging bag |
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