CN104893261A - Stretching-resistant food bag and preparation method thereof - Google Patents
Stretching-resistant food bag and preparation method thereof Download PDFInfo
- Publication number
- CN104893261A CN104893261A CN201510279494.6A CN201510279494A CN104893261A CN 104893261 A CN104893261 A CN 104893261A CN 201510279494 A CN201510279494 A CN 201510279494A CN 104893261 A CN104893261 A CN 104893261A
- Authority
- CN
- China
- Prior art keywords
- consumption
- weight part
- preparation
- food bag
- stretch
- 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
Landscapes
- Wrappers (AREA)
- Medicines Containing Plant Substances (AREA)
- Cereal-Derived Products (AREA)
Abstract
The invention discloses a stretching-resistant food bag and a preparation method thereof. The preparation method comprises the following steps: 1) mixing raw materials and performing heat treatment to obtain a mixture; 2) performing extrusion molding on the mixture to obtain a plastic film; and 3) processing the plastic film into a stretching-resistant food bag, wherein the raw materials include polyethylene terephathalate, o-phenylphenol, filler, a coupling agent, silk, asbestos, flue dust, Chinese honeylocust fruit, fruticose dracaena leaves, bentonite, rice bran, coconut fiber, bamboo clothing, starch, rhizoma galangae, perilla leaf, clove and flos magnolia. The stretching-resistant food bag prepared by the method has excellent mechanical strength and mould resistance; and meanwhile, the raw materials in the preparation method are easily available, and thus industrial mass production of the stretching-resistant food bag can be realized.
Description
Technical field
The present invention relates to food bag, particularly, relate to a kind of stretch-proof food bag and preparation method thereof.
Background technology
Food bag, as the term suggests the sack being dress food, a slight sack, brings no small convenience but to the life of the mankind.Food bag can be divided into food-packaging bag and paper foodstuff bag according to material classification.Although paper foodstuff bag has the characteristic of easily degraded, paper foodstuff bag is very easily out of shape after meeting water and wet goods fluid or even degrades, and then pollutes the food of splendid attire.And food-packaging bag just greatly can overcome the defect running into fluid after strain, and then food-packaging bag can be able to widespread use at present.
Although food-packaging bag can be applicable to splendid attire have the remaining food having fluid in just face, but under higher or lesser temps, the superior mechanical property of food-packaging bag just can be subject to challenge greatly, and possible deliquescing also likely becomes fragile, and then have impact on the use of food-packaging bag.
Summary of the invention
The object of this invention is to provide a kind of stretch-proof food bag and preparation method thereof, the stretch-proof food bag obtained by the method has excellent physical strength and antifungal ability, and the raw material simultaneously in this preparation method is easy to get and makes this stretch-proof food bag can industrial production.
To achieve these goals, the invention provides a kind of preparation method of stretch-proof food bag, comprising:
1) raw material mixed and heat-treat formation mixture;
2) described mixture extrusion moulding is obtained plastics film;
3) described plastics film is processed into stretch-proof food bag;
Wherein, described raw material comprises polyethylene terephthalate, orthoxenol, filler, coupling agent, silk, asbestos, flue dust, Chinese honey locust, leaf of fruticose Dracaena, wilkinite, rice bran, coconut palm palm fibre, bamboo shoot clothing, starch, Rhizoma Alpiniae Officinarum, Perilla Leaf, cloves and the flower bud of lily magnolia.
Pass through technique scheme, the present invention by increasing silk, asbestos, flue dust, Chinese honey locust, leaf of fruticose Dracaena, wilkinite, rice bran, coconut palm palm fibre, bamboo shoot clothing, starch, Rhizoma Alpiniae Officinarum, Perilla Leaf, cloves and the flower bud of lily magnolia on the basis of polyethylene terephthalate, orthoxenol, filler and coupling agent, synergy between each raw material makes the stretch-proof food bag obtained both have excellent mechanical property, has again excellent anti-microbial property and makes this food bag have the possibility of widespread use.Each raw material simultaneously in this preparation method is easy to get, and makes this preparation method to be able to spread further.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of preparation method of stretch-proof food bag, comprising:
1) raw material mixed and heat-treat formation mixture;
2) described mixture extrusion moulding is obtained plastics film;
3) described plastics film is processed into stretch-proof food bag;
Wherein, described raw material comprises polyethylene terephthalate, orthoxenol, filler, coupling agent, silk, asbestos, flue dust, Chinese honey locust, leaf of fruticose Dracaena, wilkinite, rice bran, coconut palm palm fibre, bamboo shoot clothing, starch, Rhizoma Alpiniae Officinarum, Perilla Leaf, cloves and the flower bud of lily magnolia.
In the present invention, the concrete kind of polyethylene terephthalate can be selected in wide scope, but in order to obtained stretch-proof food bag has more excellent mechanical property and antifungal ability, preferably, polyethylene terephthalate is selected from one or more in mao bamboon, bitter bamboo and cizu.
In the present invention, the concrete kind of filler can be selected in wide scope, but in order to obtained stretch-proof food bag has more excellent mechanical property and antifungal ability, preferably, filler is selected from one or more in talcum powder, kaolin, attapulgite and flyash.
In the present invention, the concrete kind of coupling agent can be selected in wide scope, but in order to obtained stretch-proof food bag has more excellent mechanical property and antifungal ability, preferably, coupling agent is selected from one or more in silane coupling agent, chromium complex coupling agent and titanate coupling agent.
In the present invention, the concrete kind of starch can be selected in wide scope, but in order to obtained stretch-proof food bag has more excellent mechanical property and antifungal ability, preferably, starch is selected from one or more in wheat starch, yam starch and green starch.
Simultaneously, content in raw material between each material can be selected in wide scope, but in order to obtained stretch-proof food bag has more excellent mechanical property and antifungal ability, preferably, in the feed, relative to the described polyethylene terephthalate of 100 weight parts, the consumption of orthoxenol is 20-40 weight part, the consumption of filler is 15-30 weight part, the consumption of coupling agent is 5-10 weight part, the consumption of silk is 3-5 weight part, the consumption of asbestos is 1-2 weight part, the consumption of flue dust is 0.5-1.5 weight part, the consumption of Chinese honey locust is 3-4 weight part, the consumption of leaf of fruticose Dracaena is 4-8 weight part, bentonitic consumption is 1-3 weight part, the consumption of rice bran is 5-15 weight part, the consumption of coconut palm palm fibre is 3-8 weight part, the consumption of bamboo shoot clothing is 9-20 weight part, the consumption of starch is 1-4 weight part, the consumption of Rhizoma Alpiniae Officinarum is 2-7 weight part, the consumption of Perilla Leaf is 1-3 weight part, the 2-4 consumption of cloves is weight part, the consumption of the flower bud of lily magnolia is 1.5-3.5 weight part.
In the present invention, the molecular weight of polyethylene terephthalate can be selected in wide scope, but in order to make the stretch-proof food bag obtained have more excellent mechanical property, preferably, the weight-average molecular weight of polyethylene terephthalate is 30,000-5 ten thousand.
In addition, in step 1) in, the condition of mixing also can be selected in wide scope, but more even in order to raw material mixing, preferably, mixing meets the following conditions: mixing temperature is 15-35 DEG C, and mixing time is 1-2h.
Meanwhile, for the ease of the extrusion moulding of mixture, preferably, thermal treatment meets the following conditions: thermal treatment temp is 180-220 DEG C, and heat treatment time is 3-5h.
In addition, the actual conditions of extrusion moulding can be selected in wide scope, but in order to make the plastics film obtained have more excellent mechanical property, preferably, the time of extrusion moulding is 170-190 DEG C.
Present invention also offers a kind of stretch-proof food bag, stretch-proof food bag is prepared from by above-mentioned method.
Below will be described the present invention by embodiment.In following examples, tensile strength (Mpa) and shrinking percentage (δ/%) parameter are recorded by the method for GB GB/T 13022-91; Total number of bacterial colony (n/cfug
-1) parameter recorded by the method for GB GB 4789.2-2010.
Embodiment 1
1) at 25 DEG C, polyethylene terephthalate's (weight-average molecular weight is 40,000), orthoxenol, talcum powder, silane resin acceptor kh-550, silk, asbestos, flue dust, Chinese honey locust, leaf of fruticose Dracaena, wilkinite, rice bran, coconut palm palm fibre, bamboo shoot clothing, wheat starch, Rhizoma Alpiniae Officinarum, Perilla Leaf, cloves and the flower bud of lily magnolia (weight ratio of each material is 100:30:25:7:4:1.5:1:3.5:6:2:10:5:15:2:4:2:3:2) are mixed 1.5h, and then at 200 DEG C, thermal treatment 4h obtains mixture;
2) said mixture extrusion molding at 180 DEG C is obtained the plastics film that thickness is 0.08mm;
3) above-mentioned plastics film is processed into stretch-proof food bag A1.
Embodiment 2
1) at 15 DEG C, polyethylene terephthalate's (weight-average molecular weight is 30,000), orthoxenol, attapulgite, silane coupling agent KH-560, silk, asbestos, flue dust, Chinese honey locust, leaf of fruticose Dracaena, wilkinite, rice bran, coconut palm palm fibre, bamboo shoot clothing, wheat starch, Rhizoma Alpiniae Officinarum, Perilla Leaf, cloves and the flower bud of lily magnolia (weight ratio of each material is 100:40:30:10:5:2:1.5:4:8:1:5:3:9:4:7:3:4:3.5) are mixed 1h, and then at 180 DEG C, thermal treatment 3h obtains mixture;
2) said mixture extrusion molding at 170-190 DEG C is obtained the plastics film that thickness is 0.08mm;
3) above-mentioned plastics film is processed into stretch-proof food bag A2.
Embodiment 3
1) at 35 DEG C, polyethylene terephthalate's (weight-average molecular weight is 50,000), orthoxenol, kaolin, Silane coupling reagent KH-570, silk, asbestos, flue dust, Chinese honey locust, leaf of fruticose Dracaena, wilkinite, rice bran, coconut palm palm fibre, bamboo shoot clothing, yam starch, Rhizoma Alpiniae Officinarum, Perilla Leaf, cloves and the flower bud of lily magnolia (weight ratio of each material is 100:20:15:5:3:1:0.5:3:4:3:15:8:20:1:2:1:2:1.5) are mixed 2h, and then at 220 DEG C, thermal treatment 5h obtains mixture;
2) said mixture extrusion molding at 190 DEG C is obtained the plastics film that thickness is 0.08mm;
3) above-mentioned plastics film is processed into stretch-proof food bag A3.
Comparative example 1
Carry out obtained stretch-proof food bag B1 according to the method for embodiment 1, difference is without silk in raw material.
Comparative example 2
Carry out obtained stretch-proof food bag B2 according to the method for embodiment 1, difference is without asbestos in raw material.
Comparative example 3
Carry out obtained stretch-proof food bag B3 according to the method for embodiment 1, difference is no-flue ash in raw material.
Comparative example 4
Carry out obtained stretch-proof food bag B4 according to the method for embodiment 1, difference is without Chinese honey locust in raw material.
Comparative example 5
Carry out obtained stretch-proof food bag B5 according to the method for embodiment 1, difference is without leaf of fruticose Dracaena in raw material.
Comparative example 6
Carry out obtained stretch-proof food bag B6 according to the method for embodiment 1, difference is without wilkinite in raw material.
Comparative example 7
Carry out obtained stretch-proof food bag B7 according to the method for embodiment 1, difference is without rice bran in raw material.
Comparative example 8
Carry out obtained stretch-proof food bag B8 according to the method for embodiment 1, difference is without coconut palm palm fibre in raw material.
Comparative example 9
Carry out obtained stretch-proof food bag B9 according to the method for embodiment 1, difference is without bamboo shoot clothing in raw material.
Comparative example 10
Carry out obtained stretch-proof food bag B10 according to the method for embodiment 1, difference is without starch in raw material.
Comparative example 11
Carry out obtained stretch-proof food bag B11 according to the method for embodiment 1, difference is without Rhizoma Alpiniae Officinarum in raw material.
Comparative example 12
Carry out obtained stretch-proof food bag B12 according to the method for embodiment 1, difference is without Perilla Leaf in raw material.
Comparative example 13
Carry out obtained stretch-proof food bag B13 according to the method for embodiment 1, difference is without cloves in raw material.
Comparative example 14
Carry out obtained stretch-proof food bag B14 according to the method for embodiment 1, difference is without the flower bud of lily magnolia in raw material.
Test example 1
2h is processed by present for stretch-proof food bag A1-A4 and B1-B14 60 DEG C, and then 2h is processed at-5 DEG C, the last parameter testing carrying out tensile strength (σ b/Mpa) and shrinking percentage (δ/%) according to the method for GB GB/T 13022-91, concrete outcome is in table 1.
Test example 2
Stretch-proof food bag A1-A4 and B1-B14 is placed in the uncovered environment of 30 DEG C, and atmospheric moisture is 8 grams of water/m
3, within 10 days, detect total number of bacterial colony (n/cfug by the method for GB GB 4789.2-2010 afterwards
-1), concrete outcome is in table 1.
Table 1
| σb/Mpa | δ/％ | n/cfu·g -1 | |
| A1 | 38.5 | 2.6 | 8 |
| A2 | 36.8 | 3.1 | 6 |
| A3 | 37.2 | 2.8 | 6 |
| B1 | 22.5 | 3.6 | 9 |
| B2 | 23.8 | 3.8 | 10 |
| B3 | 24.4 | 3.7 | 11 |
| B4 | 21.3 | 3.8 | 10 |
| B5 | 23.5 | 3.9 | 11 |
| B6 | 21.7 | 4.5 | 13 |
| B7 | 22.1 | 4.7 | 10 |
| B8 | 19.9 | 4.2 | 10 |
| B9 | 19.7 | 4.1 | 12 |
| B10 | 24.5 | 3.9 | 11 |
| B11 | 31.1 | 2.9 | 16 |
| B12 | 32.3 | 2.9 | 18 |
| B13 | 29.8 | 3.5 | 15 |
| B14 | 33.4 | 3.2 | 14 |
From above-described embodiment, test example and comparative example, in the present invention, the σ b (especially B1 and B2) of B1-B14 is significantly less than the σ b of A1-A3, in the present invention, the δ (especially B1 and B2) of B1-B14 is obviously greater than the δ of A1-A3, and σ b is larger, the mechanical property of the less explanation food bag of δ is better, illustrate thus, the synergy of silk, asbestos, flue dust, Chinese honey locust, leaf of fruticose Dracaena, wilkinite, rice bran, coconut palm palm fibre, bamboo shoot clothing, starch, Rhizoma Alpiniae Officinarum, Perilla Leaf, cloves and the flower bud of lily magnolia can improve the mechanical property of food bag; And the n (especially B3-B14) of B1-B14 is obviously greater than the n of A1-A3 in the present invention, and the Anti-mildew capability of the less explanation food bag of n is better, illustrate thus, the synergy of silk, asbestos, flue dust, Chinese honey locust, leaf of fruticose Dracaena, wilkinite, rice bran, coconut palm palm fibre, bamboo shoot clothing, starch, Rhizoma Alpiniae Officinarum, Perilla Leaf, cloves and the flower bud of lily magnolia can improve the Anti-mildew capability of food bag.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a preparation method for stretch-proof food bag, is characterized in that, comprising:
1) raw material mixed and heat-treat formation mixture;
2) described mixture extrusion moulding is obtained plastics film;
3) described plastics film is processed into stretch-proof food bag;
Wherein, described raw material comprises polyethylene terephthalate, orthoxenol, filler, coupling agent, silk, asbestos, flue dust, Chinese honey locust, leaf of fruticose Dracaena, wilkinite, rice bran, coconut palm palm fibre, bamboo shoot clothing, starch, Rhizoma Alpiniae Officinarum, Perilla Leaf, cloves and the flower bud of lily magnolia.
2. preparation method according to claim 1, wherein, described filler be selected from talcum powder, kaolin, attapulgite and flyash one or more.
3. preparation method according to claim 2, wherein, described coupling agent be selected from silane coupling agent, chromium complex coupling agent and titanate coupling agent one or more.
4. preparation method according to claim 3, wherein, described starch be selected from wheat starch, yam starch and green starch one or more.
5. preparation method according to claim 3, wherein, in described raw material, relative to the described polyethylene terephthalate of 100 weight parts, the consumption of described orthoxenol is 20-40 weight part, the consumption of described filler is 15-30 weight part, the consumption of described coupling agent is 5-10 weight part, the consumption of described silk is 3-5 weight part, the consumption of described asbestos is 1-2 weight part, the consumption of described flue dust is 0.5-1.5 weight part, the consumption of described Chinese honey locust is 3-4 weight part, the consumption of described leaf of fruticose Dracaena is 4-8 weight part, described bentonitic consumption is 1-3 weight part, the consumption of described rice bran is 5-15 weight part, the consumption of described coconut palm palm fibre is 3-8 weight part, the consumption of described bamboo shoot clothing is 9-20 weight part, the consumption of described starch is 1-4 weight part, the consumption of described Rhizoma Alpiniae Officinarum is 2-7 weight part, the consumption of described Perilla Leaf is 1-3 weight part, the 2-4 consumption of described cloves is weight part, the consumption of the described flower bud of lily magnolia is 1.5-3.5 weight part.
6. preparation method according to claim 1, wherein, the weight-average molecular weight of described polyethylene terephthalate is 30,000-5 ten thousand.
7. the preparation method according to any one in claim 1-6, wherein, described mixing meets the following conditions: mixing temperature is 15-35 DEG C, and mixing time is 1-2h.
8. the preparation method according to any one in claim 1-6, wherein, described thermal treatment meets the following conditions: thermal treatment temp is 180-220 DEG C, and heat treatment time is 3-5h.
9. want the preparation method described in any one in 1-6 according to right, wherein, the time of described extrusion moulding is 170-190 DEG C.
10. a stretch-proof food bag, is characterized in that, described stretch-proof food bag is prepared from by the method described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279494.6A CN104893261A (en) | 2015-05-27 | 2015-05-27 | Stretching-resistant food bag and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279494.6A CN104893261A (en) | 2015-05-27 | 2015-05-27 | Stretching-resistant food bag and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104893261A true CN104893261A (en) | 2015-09-09 |
Family
ID=54026250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510279494.6A Pending CN104893261A (en) | 2015-05-27 | 2015-05-27 | Stretching-resistant food bag and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104893261A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107652636A (en) * | 2017-09-22 | 2018-02-02 | 安徽裕泰环保科技有限公司 | A kind of PET new materials |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408687A (en) * | 2011-10-24 | 2012-04-11 | 广州市信联智通实业有限公司 | PP-PET-nano-silver antimicrobial packaging material and preparation method thereof |
| CN103013026A (en) * | 2012-12-03 | 2013-04-03 | 合肥杰事杰新材料股份有限公司 | Polyester composite material and preparation method thereof |
| CN104109356A (en) * | 2014-06-23 | 2014-10-22 | 广东天保新材料有限责任公司 | Enhanced regenerated PET/PE alloy material and preparation method thereof |
-
2015
- 2015-05-27 CN CN201510279494.6A patent/CN104893261A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102408687A (en) * | 2011-10-24 | 2012-04-11 | 广州市信联智通实业有限公司 | PP-PET-nano-silver antimicrobial packaging material and preparation method thereof |
| CN103013026A (en) * | 2012-12-03 | 2013-04-03 | 合肥杰事杰新材料股份有限公司 | Polyester composite material and preparation method thereof |
| CN104109356A (en) * | 2014-06-23 | 2014-10-22 | 广东天保新材料有限责任公司 | Enhanced regenerated PET/PE alloy material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107652636A (en) * | 2017-09-22 | 2018-02-02 | 安徽裕泰环保科技有限公司 | A kind of PET new materials |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104893262A (en) | High-strength food bag and preparation method thereof | |
| CN104448514B (en) | Permeable resin and preparation method thereof with highly-breathable | |
| CN103571013A (en) | Water resistible and breathable plastic film with drying function as well as preparation method and application thereof | |
| CN103289249B (en) | Bacteriostatic PVC film | |
| CN102173335A (en) | Manufacturing method for environment-friendly antiseptic polyvinyl chloride light-type conveyer belt and antiseptic coating material | |
| CN106633279A (en) | Antibacterial PE masterbatch for preservative film and application | |
| CN104893261A (en) | Stretching-resistant food bag and preparation method thereof | |
| CN105924740A (en) | Moisture-resistant food bag and preparation method thereof | |
| US8197728B2 (en) | Molded articles with antimicrobial property and manufacturing method thereof | |
| CN106750783A (en) | Far-infrared hollow pipe, preparation method and applications | |
| CN105315652A (en) | High-bonding-strength air permeable bacteriostatic TPU composite film and preparation method thereof | |
| CN102311553A (en) | A kind of technology of utilizing pea starch to produce the degradable edible film | |
| CN106996036B (en) | A kind of water-fastness type natural antibacterial deodorant and preparation method thereof | |
| CN104151712A (en) | Low temperature impact toughness resistant PP-R (polypropylene random copolymer) tubular product material and preparation method thereof | |
| CN103589063A (en) | High-temperature resistant antibacterial plastic | |
| CN107419597A (en) | Composite paper-plastic material and preparation method thereof | |
| CN104153005A (en) | High automation and informatization down feather processing method | |
| CN108118402B (en) | TPU (thermoplastic polyurethane) fiber for spinning and preparation method thereof | |
| CN109971169A (en) | A kind of absorbent-type 3D printing consumptive material and preparation method thereof | |
| JP2017132920A5 (en) | ||
| CN206165696U (en) | Take fan cooler's machine of completing | |
| CN104928970A (en) | High-strength aviation refuse bag and preparation method thereof | |
| CN103556397A (en) | Antibacterial needle-punched cotton and preparation method thereof | |
| CN103556398A (en) | Antibacterial needle-punched cotton and preparation method thereof | |
| CN104786626A (en) | Method for manufacturing high-barrier pesticide-level composite packaging film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150909 |
|
| RJ01 | Rejection of invention patent application after publication |