CN109705435A - Degradable packing bag and its processing technology - Google Patents
Degradable packing bag and its processing technology Download PDFInfo
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- CN109705435A CN109705435A CN201910017499.XA CN201910017499A CN109705435A CN 109705435 A CN109705435 A CN 109705435A CN 201910017499 A CN201910017499 A CN 201910017499A CN 109705435 A CN109705435 A CN 109705435A
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- potato starch
- packaging bag
- packing bag
- degradable
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Abstract
The invention discloses a kind of degradable packing bag and its processing technologys, the packaging bag is mainly by low density polyethylene (LDPE), ethylenecarbon monoxide copolymer, photoinitiator, modified potato starch component is constituted, and the proportion of each component is reasonable, pass through test of many times, prove it with fabulous light degradation property, it can be realized the degradable of packaging bag, fabulous solves white pollution problems, and equally change the content of carbon in ethylenecarbon monoxide copolymer by adjusting, the light degradation time can be controlled to a certain extent, therefore, it can be according to the amount of discarded packaging bag existing in the market, carry out adjusting appropriate, also contain corn stalk fiber in component, plasticizer, toughener, it can be while realizing degradation, guarantee the use quality of packaging bag to a certain extent.
Description
Technical field
The invention belongs to packaging bag technical fields, specifically, being to be related to a kind of degradable packing bag and its processing technology.
Background technique
Currently, plastic packaging bag have become it is indispensable in daily life or requirement and easily-consumed products, will disappear every year
Consume a large amount of plastic packaging bag.Well known plastic packaging bag be in 50 years can not natural degradation material, formed after discarded white
Color pollution, even if recycling and reusing, since its cost recovery is too high, operability is very poor.Even if government takes measures to limit
System uses, and can not also solve white pollution problems at all.With the enhancing of people's environmental consciousness, how to alleviate white pollution has been
The topic of people's growing interest.
Summary of the invention
The object of the invention is that providing a kind of degradable packing bag and its processing technology to solve the above-mentioned problems.
The present invention through the following technical solutions to achieve the above objectives:
A kind of degradable packing bag makes the material of the packaging bag by weight, including following component:
100 parts of low density polyethylene (LDPE)；
8 parts of corn stalk fiber；
0 ~ 15 part of ethylenecarbon monoxide copolymer 1；
0.06 ~ 0.09 part of photoinitiator；
15 ~ 25 parts of modified potato starch；
3 parts of plasticizer；
1 part of toughener.
Preferably, the photoinitiator is ferrocene.
Preferably, the production method of the modified potato starch is: preparing the horse of 0.5g/mL using ethyl alcohol as dispersing agent
Bell sweet potato starch suspension under ice-water bath with power density is 85W/cm2, frequency for 25kHz ultrasonic wave, to potato starch
Suspension is handled, and is added water in potato starch suspension later, and be uniformly mixed, is then added silane coupled
Agent, finally the agitating and heating in boiling water bath, obtained by drying after being gelatinized to arrive modified potato starch.
Preferably, the silane coupling agent is dimethyl siloxane.
The processing technology of above-mentioned degradable packing bag the following steps are included:
1) by weight, by 100 parts of low density polyethylene (LDPE), 8 parts of corn stalk fiber, ethylenecarbon monoxide copolymer 10 ~ 15
Part, 0.06 ~ 0.09 part of photoinitiator, 15 ~ 25 parts of modified potato starch, 3 parts of plasticizer, in 1 part of addition reactor of toughener,
175 ~ 180 DEG C are heated to, is uniformly mixed, after moisture evaporation, obtains uniform mixture；
2) the obtained mixture of step 1) is made by plastic film using high pressure polyethylene film-blowing process using inflation film manufacturing machine；
3) by designed text, pattern, through color press color printing into step 2 on obtained plastic film；
4) by the plastic film after color printing in step 3), by cutting machine stripping and slicing, each piece includes designed complete text
Word and pattern, each piece of size dimension, which is subject to, can be fabricated separately out a packaging bag；
5) by bulk plastic film obtained in step 4), by ultrasonic wave high frequency welding mode, packaging bag is made to get arriving
The degradable packing bag.
Compared with prior art, the invention has the following advantages:
The packaging bag is mainly by low density polyethylene (LDPE), ethylenecarbon monoxide copolymer, photoinitiator, modified potato starch group
Divide and constitute, and the proportion of each component is reasonable, passes through test of many times, it was demonstrated that it can be realized packet with fabulous light degradation property
The degradable of pack, fabulous solves white pollution problems, and is equally changed by adjusting in ethylenecarbon monoxide copolymer
The content of carbon can control the light degradation time to a certain extent, therefore, can be according to discarded packaging bag existing in the market
Amount, carry out adjusting appropriate, corn stalk fiber, plasticizer, toughener also contained in component, can realize the same of degradation
When, guarantee the use quality of packaging bag to a certain extent.
Specific embodiment
The invention will be further described below:
Embodiment one
Make the material of degradable packing bag by weight, including following component:
100 parts of low density polyethylene (LDPE)；
8 parts of corn stalk fiber；
0 part of ethylenecarbon monoxide copolymer 1；
0.06 part of photoinitiator；
15 parts of modified potato starch；
3 parts of plasticizer；
1 part of toughener.
In the present embodiment, the photoinitiator is ferrocene.
In the present embodiment, the production method of the modified potato starch is: preparing 0.5g/mL by dispersing agent of ethyl alcohol
Potato starch suspension, under ice-water bath with power density be 85W/cm2, frequency for 25kHz ultrasonic wave, to potato
Starch suspension is handled, and adds water in potato starch suspension later, and be uniformly mixed, and it is even that silane is then added
Join agent, finally the agitating and heating in boiling water bath, it is obtained by drying after being gelatinized to arrive modified potato starch.
In the present embodiment, the silane coupling agent is dimethyl siloxane.
The processing technology of degradable packing bag the following steps are included:
1) by weight, by 100 parts of low density polyethylene (LDPE), 8 parts of corn stalk fiber, 0 part of ethylenecarbon monoxide copolymer 1,
0.06 part of photoinitiator, 15 parts of modified potato starch, 3 parts of plasticizer, in 1 part of addition reactor of toughener, it is heated to 175
DEG C, it is uniformly mixed, after moisture evaporation, obtains uniform mixture；
2) the obtained mixture of step 1) is made by plastic film using high pressure polyethylene film-blowing process using inflation film manufacturing machine；
3) by designed text, pattern, through color press color printing into step 2 on obtained plastic film；
4) by the plastic film after color printing in step 3), by cutting machine stripping and slicing, each piece includes designed complete text
Word and pattern, each piece of size dimension, which is subject to, can be fabricated separately out a packaging bag；
5) by bulk plastic film obtained in step 4), by ultrasonic wave high frequency welding mode, packaging bag is made to get arriving
The degradable packing bag.
Embodiment two
Make the material of degradable packing bag by weight, including following component:
100 parts of low density polyethylene (LDPE)；
8 parts of corn stalk fiber；
2.5 parts of ethylenecarbon monoxide copolymer 1；
0.07 part of photoinitiator；
20 parts of modified potato starch；
3 parts of plasticizer；
1 part of toughener.
In the present embodiment, the photoinitiator is ferrocene.
In the present embodiment, the production method of the modified potato starch is: preparing 0.5g/mL by dispersing agent of ethyl alcohol
Potato starch suspension, under ice-water bath with power density be 85W/cm2, frequency for 25kHz ultrasonic wave, to potato
Starch suspension is handled, and adds water in potato starch suspension later, and be uniformly mixed, and it is even that silane is then added
Join agent, finally the agitating and heating in boiling water bath, it is obtained by drying after being gelatinized to arrive modified potato starch.
In the present embodiment, the silane coupling agent is dimethyl siloxane.
The processing technology of degradable packing bag the following steps are included:
1) by weight, by 100 parts of low density polyethylene (LDPE), 8 parts of corn stalk fiber, ethylenecarbon monoxide copolymer 1 2.5
Part, it 0.07 part of photoinitiator, 20 parts of modified potato starch, 3 parts of plasticizer, in 1 part of addition reactor of toughener, is heated to
It 178 DEG C, is uniformly mixed, after moisture evaporation, obtains uniform mixture；
2) the obtained mixture of step 1) is made by plastic film using high pressure polyethylene film-blowing process using inflation film manufacturing machine；
3) by designed text, pattern, through color press color printing into step 2 on obtained plastic film；
4) by the plastic film after color printing in step 3), by cutting machine stripping and slicing, each piece includes designed complete text
Word and pattern, each piece of size dimension, which is subject to, can be fabricated separately out a packaging bag；
5) by bulk plastic film obtained in step 4), by ultrasonic wave high frequency welding mode, packaging bag is made to get arriving
The degradable packing bag.
Embodiment three
Make the material of degradable packing bag by weight, including following component:
100 parts of low density polyethylene (LDPE)；
8 parts of corn stalk fiber；
5 parts of ethylenecarbon monoxide copolymer 1；
0.09 part of photoinitiator；
25 parts of modified potato starch；
3 parts of plasticizer；
1 part of toughener.
In the present embodiment, the photoinitiator is ferrocene.
In the present embodiment, the production method of the modified potato starch is: preparing 0.5g/mL by dispersing agent of ethyl alcohol
Potato starch suspension, under ice-water bath with power density be 85W/cm2, frequency for 25kHz ultrasonic wave, to potato
Starch suspension is handled, and adds water in potato starch suspension later, and be uniformly mixed, and it is even that silane is then added
Join agent, finally the agitating and heating in boiling water bath, it is obtained by drying after being gelatinized to arrive modified potato starch.
In the present embodiment, the silane coupling agent is dimethyl siloxane.
The processing technology of degradable packing bag the following steps are included:
1) by weight, by 100 parts of low density polyethylene (LDPE), 8 parts of corn stalk fiber, 5 parts of ethylenecarbon monoxide copolymer 1,
0.09 part of photoinitiator, 25 parts of modified potato starch, 3 parts of plasticizer, in 1 part of addition reactor of toughener, it is heated to 180
DEG C, it is uniformly mixed, after moisture evaporation, obtains uniform mixture；
2) the obtained mixture of step 1) is made by plastic film using high pressure polyethylene film-blowing process using inflation film manufacturing machine；
3) by designed text, pattern, through color press color printing into step 2 on obtained plastic film；
4) by the plastic film after color printing in step 3), by cutting machine stripping and slicing, each piece includes designed complete text
Word and pattern, each piece of size dimension, which is subject to, can be fabricated separately out a packaging bag；
5) by bulk plastic film obtained in step 4), by ultrasonic wave high frequency welding mode, packaging bag is made to get arriving
The degradable packing bag.
Using degradable packing bag processing technology of the present invention, packaging bag that can be degradable can be produced.
Three embodiments listed above, the made packaging bag come out can satisfy degradable requirement, and guarantee that bag has pole
Good use quality.Wherein ferrocene ((C5H5) 2Fe) can be used in used photoinitiator, is called ferrocene,
Fusing point is 172 ~ 174 DEG C, is soluble in benzene, not soluble in water.It is good light stabilizer when 1% or more ferrocene dosage, therefore
Its dosage is less than 1% in this patent.Ethylenecarbon monoxide copolymer has good light degradation ability, adjusts carbon monoxide
Content can control its degradation time, and then control the degradation time of packaging bag to a certain extent, can be according to market
The amount of upper existing discarded packaging bag carries out adjusting appropriate, also contains corn stalk fiber, plasticizer, toughening in component
Agent can guarantee to a certain extent the use quality of packaging bag while realizing degradation.
According to above embodiment, the present invention can be realized well.It is worth noting that based on said structure design
Under the premise of, to solve same technical problem, even if that makes in the present invention is some without substantive change or polishing, adopted
The essence of technical solution is still as the present invention, therefore it should also be as within the scope of the present invention.
Claims (5)
1. a kind of degradable packing bag, characterized in that make the material of the packaging bag by weight, including following component:
100 parts of low density polyethylene (LDPE)；
8 parts of corn stalk fiber；
0 ~ 15 part of ethylenecarbon monoxide copolymer 1；
0.06 ~ 0.09 part of photoinitiator；
15 ~ 25 parts of modified potato starch；
3 parts of plasticizer；
1 part of toughener.
2. degradable packing bag according to claim 1, characterized in that the photoinitiator is ferrocene.
3. degradable packing bag according to claim 1, characterized in that the production method of the modified potato starch
It is: prepares the potato starch suspension of 0.5g/mL using ethyl alcohol as dispersing agent, under ice-water bath with power density be 85W/cm2,
Frequency is the ultrasonic wave of 25kHz, is handled potato starch suspension, adds water in potato starch suspension later,
And be uniformly mixed, silane coupling agent is then added, finally the agitating and heating in boiling water bath, it is obtained by drying to changing after being gelatinized
Property potato starch.
4. degradable packing bag according to claim 3, characterized in that the silane coupling agent is dimethyl silica
Alkane.
5. a kind of processing technology of degradable packing bag described in claim 1 ~ 4 any one, characterized in that including following step
It is rapid:
1) by weight, by 100 parts of low density polyethylene (LDPE), 8 parts of corn stalk fiber, ethylenecarbon monoxide copolymer 10 ~ 15
Part, 0.06 ~ 0.09 part of photoinitiator, 15 ~ 25 parts of modified potato starch, 3 parts of plasticizer, in 1 part of addition reactor of toughener,
175 ~ 180 DEG C are heated to, is uniformly mixed, after moisture evaporation, obtains uniform mixture；
2) the obtained mixture of step 1) is made by plastic film using high pressure polyethylene film-blowing process using inflation film manufacturing machine；
3) by designed text, pattern, through color press color printing into step 2 on obtained plastic film；
4) by the plastic film after color printing in step 3), by cutting machine stripping and slicing, each piece includes designed complete text
Word and pattern, each piece of size dimension, which is subject to, can be fabricated separately out a packaging bag；
5) by bulk plastic film obtained in step 4), by ultrasonic wave high frequency welding mode, packaging bag is made to get arriving
The degradable packing bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910017499.XA CN109705435A (en) | 2019-01-09 | 2019-01-09 | Degradable packing bag and its processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910017499.XA CN109705435A (en) | 2019-01-09 | 2019-01-09 | Degradable packing bag and its processing technology |
Publications (1)
| Publication Number | Publication Date |
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| CN109705435A true CN109705435A (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910017499.XA Pending CN109705435A (en) | 2019-01-09 | 2019-01-09 | Degradable packing bag and its processing technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183735A (en) * | 2019-06-21 | 2019-08-30 | 东莞市腾卓美环保新材料科技有限公司 | Injection molding can be used or be molded the degradable plant fibre environment-friendly composite material of thermoforming |
| CN114806014A (en) * | 2022-05-10 | 2022-07-29 | 宁波金富亮塑料科技有限公司 | Polypropylene ecological plastic convenient for biodegradation and preparation method thereof |
Citations (2)
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|---|---|---|---|---|
| CN86108947A (en) * | 1985-12-31 | 1987-11-18 | 陶氏化学公司 | Light degradation reagent, photodegradable ethylene polymer composition and product prepared therefrom |
| CN106146970A (en) * | 2016-06-28 | 2016-11-23 | 安徽徽隆包装有限公司 | A kind of preparation method of photochemical catalyst degraded plastic packaging bag |
-
2019
- 2019-01-09 CN CN201910017499.XA patent/CN109705435A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86108947A (en) * | 1985-12-31 | 1987-11-18 | 陶氏化学公司 | Light degradation reagent, photodegradable ethylene polymer composition and product prepared therefrom |
| CN106146970A (en) * | 2016-06-28 | 2016-11-23 | 安徽徽隆包装有限公司 | A kind of preparation method of photochemical catalyst degraded plastic packaging bag |
Non-Patent Citations (1)
| Title |
|---|
| 唐赛珍等: "降解塑料研究开发的进展", 《石油化工》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183735A (en) * | 2019-06-21 | 2019-08-30 | 东莞市腾卓美环保新材料科技有限公司 | Injection molding can be used or be molded the degradable plant fibre environment-friendly composite material of thermoforming |
| CN114806014A (en) * | 2022-05-10 | 2022-07-29 | 宁波金富亮塑料科技有限公司 | Polypropylene ecological plastic convenient for biodegradation and preparation method thereof |
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Application publication date: 20190503 |