CN100377972C - Papery food packaging bag and preparing method - Google Patents
Papery food packaging bag and preparing method Download PDFInfo
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- CN100377972C CN100377972C CNB2004100096941A CN200410009694A CN100377972C CN 100377972 C CN100377972 C CN 100377972C CN B2004100096941 A CNB2004100096941 A CN B2004100096941A CN 200410009694 A CN200410009694 A CN 200410009694A CN 100377972 C CN100377972 C CN 100377972C
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Abstract
The present invention provides a food packaging paper bag which is favorable for maintaining human health as well as protecting environment and is also convenient and practical. The food packaging paper bag is characterized in that paper pulp fiber is sized and discharged onto a wire to make paper sheets, and then, the paper sheets are made into the food packaging paper bag by a bag making machine; the sizing degree of the paper sheet is from 5 to 50 grams/square meter; the tensile strength of the paper sheet has the indexes: the longitudinal dry tension stress is not smaller than 40 N, and the transversal dry tension stress is not smaller than 25 N; the longitudinal wet tension stress is not smaller than 15 N, and the transversal wet tension stress is not smaller than 10 N; the sizing degree of the paper sheet is from 8 to 10 grams/square meter, and the bursting strength of the paper sheet is not smaller than 130 KPa. The present invention also provides a method for making the food packaging paper bag.
Description
Technical field
The present invention relates to the technology of packaging for foodstuff, particularly a kind of food packaging bag made of paper, and a kind of method for making of this food packaging bag made of paper.
Background technology
At present, the material overwhelming majority of packaged food is a plastic bag in people's life, no matter is the market or the market of farm produce, uses plastic bag very general, and plastics are customary especially as the external packing of commodity.We know that plastics are a kind of organic materials, and it is under certain media environment and temperature conditions, and some polymer monomers wherein and some additives meeting stripping have small part unavoidably and transfer in the food, and the people has eaten later on the healthy adverse effect that causes.People abandon after using plastic bag conveniently, because plastics are difficult to rot or degraded, not only influence environmental health, and over a long time environment are caused great pollution.At this situation, the inventor is devoted to the development research to novel foodstuff packaging bag and preparation method thereof always.In order to use papery bag substituted for plastic bag, the inventor has carried out extensive studies and a large amount of tests to paper bag of the prior art, find that not only there is the lower problem of production efficiency in paper bag of the prior art, and also exist the lower problem of tensile strength as the paper of food pack, certainly, the tensile strength had here both comprised does the tension stress index, also comprises wet tension stress index, and will detect respectively from vertical and horizontal.Therefore, the inventor starts with from the improvement to paper, for the plastic bag that makes food packaging bag made of paper can substitute current trend has proposed new technical solution.
Summary of the invention
The present invention is directed to the defective or the deficiency that exist in the prior art, a kind of health that helps safeguarding is provided, help environmental protection simultaneously, and convenient and practical food packaging bag made of paper.
The present invention also provides a kind of method for making of above-mentioned food packaging bag made of paper.
Technical solution of the present invention is as follows:
Food packaging bag made of paper is characterized in that: adopt the paper that paper pulp fiber is carried out the applying glue online and make to be made through bag machinery, the degree of sizing of this paper is a 5-50 gram/sq m.
The tensile strength index of described paper is, dried tension stress vertically is not less than 40N, and dried tension stress laterally is not less than 25N; Wet tension stress vertically is not less than 15N, and wet tension stress laterally is not less than 10N; The degree of sizing of described paper is a 8-10 gram/sq m.
The substance of described paper is not less than 130KPa.
The tensile strength index of described paper is, dried tension stress vertically is not less than 45N, and dried tension stress laterally is not less than 30N; Wet tension stress vertically is not less than 18N, and wet tension stress laterally is not less than 10N; The degree of sizing of described paper is a 10-30 gram/sq m; The substance of described paper is not less than 140KPa.
The tensile strength index of described paper is, dried tension stress vertically is not less than 50N, and dried tension stress laterally is not less than 33N; Wet tension stress vertically is not less than 20N, and wet tension stress laterally is not less than 15N; The degree of sizing of described paper is a 30-50 gram/sq m; The substance of described paper is not less than 160KPa.
The method for making of above-mentioned food packaging bag made of paper is characterized in that may further comprise the steps: 1). pulp cooking is cleaned bleaching; 2). starchiness is filtered in the paper pulp cleaning; 3). the starchiness paper pulp fiber is carried out the applying glue online, becomes paper, dries and make described food packaging bag made of paper paper; 4). make fruit-protecting bag with Bag Making Machine.
The range of temperatures of above-mentioned oven dry is 70 ℃-80 ℃.
Above-mentioned degree of sizing is a 5-10 gram/sq m.
The technology of the present invention effect is as follows:
Because food packaging bag made of paper of the present invention, employing is carried out applying glue online to paper pulp fiber and the paper made is made through bag machinery, the degree of sizing of this paper is a 5-50 gram/sq m, so, the substance of this food packaging bag made of paper, tensile strength and water resistance all are better than similar products at home and abroad of the prior art, have advantages such as folding mill, hydrophobic and toughness are big simultaneously.Therefore, the present invention is a kind of health that helps safeguarding, helps environmental protection simultaneously, and convenient and practical food packaging bag made of paper.The method for making of food packaging bag made of paper of the present invention mainly is the making of dedicated paper, promptly increases steps such as applying glue in common paper technology, the easy promotion and implementation of this method.
After testing, food packaging bag made of paper of the present invention gets final product natural degradation about 15 days to 1 month in wet soil, is a kind of " green " product with environmental-protection function of substituted for plastic bag.
The specific embodiment
The present invention is described in further detail below in conjunction with embodiment.
Embodiment 1: food packaging bag made of paper of the present invention, and adopt the paper that paper pulp fiber is carried out the applying glue online and make to be made through bag machinery, the degree of sizing of this paper is a 6-7 gram/sq m.Paper is dried paper, the paper fiber is longer, the tensile strength index of paper is, dried tension stress vertically is 40N, dried tension stress laterally is 25N, and the substance of paper is 130KPa, after testing, but food packaging bag made of paper of the present invention natural degradation in two months in wet soil is a kind of " green " product with environmental-protection function of substituted for plastic bag.Therefore, the present invention is a kind of health that helps safeguarding, helps environmental protection simultaneously, and convenient and practical food packaging bag made of paper.
Embodiment 2: food packaging bag made of paper of the present invention, and adopt the paper that paper pulp fiber is carried out the applying glue online and make to be made through bag machinery, the degree of sizing of this paper is a 9-10 gram/sq m.Paper is dried paper, the paper fiber is longer, the tensile strength index of paper is, dried tension stress vertically is 42N, dried tension stress laterally is 26N, and the substance of paper is 140KPa, after testing, but food packaging bag made of paper of the present invention natural degradation in two months in wet soil is a kind of " green " product with environmental-protection function of substituted for plastic bag.
Embodiment 3: food packaging bag made of paper of the present invention, in the manufacture craft of paper, can utilize cationic starch paper to be carried out the method for internal sizing.Employed starch chloropropylene oxide, trimethylamine, and single methylamine or dimethylamine or N, N, N ', the compound of N '-tetramethylethylenediamine carry out cationization to be handled.Cationization will make the molecular size of starch become bigger, and the change senior general of this molecular size brings about a wholesome effect to the dehydration on the paper machine forming net.
Embodiment 4: will note nontoxicly aspect the selection of glue, help environmental protection.After choosing glue, can adopt applying glue internet access method conventional in the paper technology to become paper by paper machine or relevant device.
Embodiment 5: present embodiment is a kind of method for making example of food packaging bag made of paper of the present invention.The method for making of food packaging bag made of paper is characterized in that may further comprise the steps: 1). pulp cooking is cleaned bleaching; 2). starchiness is filtered in the paper pulp cleaning; 3). the starchiness paper pulp fiber is carried out the applying glue online, becomes paper, dries and make described food packaging bag made of paper paper; 4). make fruit-protecting bag with Bag Making Machine.The range of temperatures of above-mentioned oven dry is 70 ℃-80 ℃.Above-mentioned degree of sizing is a 5-10 gram/sq m.YDT--4 type or YDG--1 type that Bag Making Machine can adopt Shandong to produce.Bag Making Machine can also adopt the inventor to develop the specialized equipment of sale.
After testing, food packaging bag made of paper of the present invention gets final product natural degradation about 15 days to 1 month in wet soil, and natural degradation about 2 months or 3 months is a kind of " green " product with environmental-protection function of substituted for plastic bag at the most.
Claims (4)
1. food packaging bag made of paper, it is characterized in that: adopt the paper that paper pulp fiber is carried out the applying glue online and make to be made through bag machinery, the degree of sizing of this paper is a 5-50 gram/sq m, the tensile strength index of described paper is, dried tension stress vertically is not less than 40N, and dried tension stress laterally is not less than 25N; Wet tension stress vertically is not less than 15N, and wet tension stress laterally is not less than 10N.
2. food packaging bag made of paper according to claim 1 is characterized in that: the substance of described paper is not less than 130KPa.
3. food packaging bag made of paper according to claim 2 is characterized in that: the tensile strength index of described paper is, dried tension stress vertically is not less than 45N, and dried tension stress laterally is not less than 30N; Wet tension stress vertically is not less than 18N, and wet tension stress laterally is not less than 10N; The degree of sizing of described paper is a 10-30 gram/sq m; The substance of described paper is not less than 140KPa.
4. food packaging bag made of paper according to claim 2 is characterized in that: the tensile strength index of described paper is, dried tension stress vertically is not less than 50N, and dried tension stress laterally is not less than 33N; Wet tension stress vertically is not less than 20N, and wet tension stress laterally is not less than 15N; The degree of sizing of described paper is a 30-50 gram/sq m; The substance of described paper is not less than 160KPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100096941A CN100377972C (en) | 2004-10-21 | 2004-10-21 | Papery food packaging bag and preparing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100096941A CN100377972C (en) | 2004-10-21 | 2004-10-21 | Papery food packaging bag and preparing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1600649A CN1600649A (en) | 2005-03-30 |
| CN100377972C true CN100377972C (en) | 2008-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100096941A Expired - Fee Related CN100377972C (en) | 2004-10-21 | 2004-10-21 | Papery food packaging bag and preparing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN100377972C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015972A (en) * | 2015-06-01 | 2015-11-04 | 铜陵方正塑业科技有限公司 | Anti-ultraviolet aviation trash bag and manufacturing method thereof |
| CN110843259A (en) * | 2019-11-21 | 2020-02-28 | 常州开古茶叶食品有限公司 | Production process of antibacterial food packaging bag with anti-counterfeiting function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4754914A (en) * | 1986-09-26 | 1988-07-05 | Rock-Tenn Company | Package for wrapping food or other articles |
| US4995557A (en) * | 1990-04-26 | 1991-02-26 | Westvaco Corporation | Eat-in/carryout pizza box |
| CN1105644A (en) * | 1994-01-22 | 1995-07-26 | 李士才 | Non-environmental-pollution food package and manufacturing method thereof |
| CN1367995A (en) * | 2001-01-31 | 2002-09-11 | 蔡秒水 | Fruit-protecting bag and its making method |
-
2004
- 2004-10-21 CN CNB2004100096941A patent/CN100377972C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4754914A (en) * | 1986-09-26 | 1988-07-05 | Rock-Tenn Company | Package for wrapping food or other articles |
| US4995557A (en) * | 1990-04-26 | 1991-02-26 | Westvaco Corporation | Eat-in/carryout pizza box |
| CN1105644A (en) * | 1994-01-22 | 1995-07-26 | 李士才 | Non-environmental-pollution food package and manufacturing method thereof |
| CN1367995A (en) * | 2001-01-31 | 2002-09-11 | 蔡秒水 | Fruit-protecting bag and its making method |
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| Publication number | Publication date |
|---|---|
| CN1600649A (en) | 2005-03-30 |
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Application publication date: 20050330 Assignee: Fujian provincial agricultural and Agricultural Development Co., Ltd. Assignor: Cai Mingzhe Contract record no.: 2010350000017 Denomination of invention: Papery food packaging bag and preparing method Granted publication date: 20080402 License type: Exclusive License Record date: 20100312 |
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Denomination of invention: Papery food packaging bag and preparing method Effective date of registration: 20130206 Granted publication date: 20080402 Pledgee: Bank of Communications Ltd Zhangzhou branch Pledgor: Cai Xinmin|Cai Miaoshui|Cai Mingzhe Registration number: 2013350000001 |
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