CN102673061A - Double-layer food-grade stone paper and manufacturing method thereof - Google Patents
Double-layer food-grade stone paper and manufacturing method thereof Download PDFInfo
- Publication number
- CN102673061A CN102673061A CN2012101670675A CN201210167067A CN102673061A CN 102673061 A CN102673061 A CN 102673061A CN 2012101670675 A CN2012101670675 A CN 2012101670675A CN 201210167067 A CN201210167067 A CN 201210167067A CN 102673061 A CN102673061 A CN 102673061A
- Authority
- CN
- China
- Prior art keywords
- paper
- double
- basic unit
- density polyethylene
- layer food
- 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
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses double-layer food-grade stone paper and a manufacturing method thereof and belongs to the technical field of paper making. The stone paper comprises 85 to 90 weight percent of base paper and 10 to 15 weight percent of surface paper, wherein the base paper comprises the following components in percentage by weight: 80 to 85 percent of calcium carbonate, 10 to 15 percent of high-density polyethylene, 2 to 3 percent of composite modifier and 2 to 3 percent of lubricant; the surface paper is a low-density polyethylene film; and the base paper and the surface paper are compounded into the finished product. In the manufacturing method, the double-layer food-grade stone paper is manufactured by performing treatment such as modification, toughening, plastification and the like on cheap mineral fiber powder serving as a main raw material and pressing by using a screw extruder. The product can be applied to food packaging without being subjected to laminating treatment on the surface; the product is waterproof and oilproof, has high toughness and can be scrubbed; the raw materials have wide sources and can be used locally; no three wastes are discharged during production; the process is simple, low in cost and low in energy consumption; the production scale is changeable and the production site has small occupied area; and the double-layer food-grade stone paper is applicable to food packaging paper or other special packaging purpose.
Description
Technical field
The present invention relates to a kind of wrapping paper and manufacturing approach, especially is non-pulp based paper, belongs to pulp technology for making paper.
Background technology
At present, the mineral fibres environmentally-friendly stone paper is widely used, and production technology is different from the paper technology of traditional fibre paper fully, the production environment cleaning, and non-wastewater discharge, and also cost is merely the half the of traditional fibre paper.Since physical properties such as environmental protection paper intensity, protection against the tide, mildew-resistant, folding strength far above traditional fibre paper, be a kind of can widely used new material.But existing stone paper plasticity and poor toughness are of limited application, and be especially uncomfortable as packaging for foodstuff and other specific uses.
Summary of the invention
To the problems referred to above, the present invention provides a kind of double-layer food level stone paper and manufacturing approach.
The technical solution adopted for the present invention to solve the technical problems is:
Double-layer food level stone paper comprises basic unit's paper and overlay paper, and basic unit's paper accounts for the 85-90% of gross weight; Overlay paper accounts for the 10-15% of gross weight; Basic unit's paper bag is drawn together following composition by weight: calcium carbonate 80-85%, high density polyethylene (HDPE) 10-15%, composite modifier 2-3%, lubricant 2-3%; Overlay paper is a low density polyethylene films, and basic unit's paper and overlay paper are combined into finished product.
Double-layer food level stone paper manufacturing approach may further comprise the steps:
A. after by weight calcium carbonate 80-85%, high density polyethylene (HDPE) 10-15%, composite modifier 2-3% being mixed, when mixture was in the melt blending state, gradation added lubricant 2-3%;
B. with the mass transport that mixes granulation in the screw extruder, obtain basic unit's paper material;
C. basic unit's paper material and vertical compound being transported in the nipper of low density polyethylene films are suppressed, made the paper finished product; Or basic unit's paper material and low density polyethylene (LDPE) LLDPE film are transported to blown film of three layers of inflation film manufacturing machine become the cylinder paper, dig and open the back and become the plane paper.
Environmentally-friendly stone paper adopts high-load stone powder film technique; With cheap mineral fibres powder is main raw material(s); Through processing such as modification, toughness reinforcing, plasticising, in extraordinary screw extruder, react, but realize the processing of environmentally-friendly stone paper thermoplasticity; Through being analogous to the plastic tab process equipment, obtain the paper of different purposes and thickness.
The invention has the beneficial effects as follows that product surface need not drench the film processing and just can be used for packaging for foodstuff; Waterproof, grease proofing, good toughness can be cleaned; Raw material sources are wide, can gather materials on the spot.Three-waste free discharge in the production.Technology is simple, and cost is low, and it is low to consume energy; Specific energy consumption is merely 2/3 of traditional paper technology, and product cost is the half the of traditional papermaking, and production scale is changeable, and the production site floor space is little.Be applicable to food wrapper or other extra package purposes.
The specific embodiment
Below in conjunction with embodiment the present invention is further specified.
Double-layer food level stone paper comprises basic unit's paper and overlay paper, and basic unit's paper accounts for the 85-90% of gross weight; Overlay paper accounts for the 10-15% of gross weight; Basic unit's paper bag is drawn together following composition by weight: calcium carbonate 80-85%, high density polyethylene (HDPE) 10-15%, composite modifier 2-3%, lubricant 2-3%; Overlay paper is a low density polyethylene films, and basic unit's paper and overlay paper are combined into finished product.
Calcium carbonate is the food-grade calcium carbonate powder, and granularity is more than 1250 orders.Composite modifier is the mixture of biological flexibilizer, plasticizer, compatilizer.Lubricant is a white oil.
Adopt the calcium carbonate powder of the above food-grade of 1250 orders, plasticized polymer (high density polyethylene (HDPE)) and complementary composition (modifier and lubricant) are raw material, form through screw extruder and system paper apparatus processing.The raw material weight component consists of: calcium carbonate 80-85 part, plasticized polymer are 10-15 part, and modifier is 2-3 part, and lubricant is 2-3 part.Wherein lubricant will be extruded preceding and be in the gradation of melt blending stage at material and add at screw rod; 3% of the no more than total amount of addition; Through increasing the consumption and the hybrid mode of lubricant; Improve the thermoplasticity degree of powder, can significantly improve the flowability and the processing products quality of system, increased substantially the goods mechanical property.Get final product with the inflation film manufacturing machine blown film then.
Embodiment one:
After by weight calcium carbonate 85%, high density polyethylene (HDPE) 10%, composite modifier 3% being mixed, when mixture was in the melt blending state, gradation added lubricant 2%; With the mass transport that mixes granulation in the screw extruder, obtain basic unit's paper material; Basic unit's paper material and vertical compound being transported in the nipper of low density polyethylene films are suppressed, made the thick paper finished product of 0.08-0.35mm.
Embodiment two:
After by weight calcium carbonate 80%, high density polyethylene (HDPE) 15%, composite modifier 3% being mixed, when mixture was in the melt blending state, gradation added lubricant 2%; With the mass transport that mixes granulation in the screw extruder, obtain basic unit's paper material; Basic unit's paper material and low density polyethylene films are transported to blown film of three layers of inflation film manufacturing machine become the cylinder paper, dig and open the thick plane paper of back one-tenth 0.08-0.35mm.
The present technique scheme is to be main raw material(s) through cheap mineral fibres powder; Obtain a kind of modified mineral fiber through modification with excellent compatibility and thermoplastic processability; This modified mineral fiber powder is different from fillers such as talcum powder, and it is the tencel papermaking material between short fiber of plant and conventional filler, through with the reaction of the auxiliary agent of biological flexibilizer, plasticizer, compatilizer, lubricant etc.; Extruding pelletization in extraordinary screw rod; Pellet has good thermoplastic processability, can roll through special equipment, multiple processing such as blown film, curtain coating, makes the environmentally-friendly stone paper of the different purposes of different-thickness.Produce the characteristics that changed traditional papermaking high energy consumption, high pollution fully, raw material sources and production process all can not cause environment damage, and the product of using is recyclable to be utilized again, meets modern environmental protection requirement.
Claims (5)
1. a double-layer food level stone paper comprises basic unit's paper and overlay paper, it is characterized in that basic unit's paper accounts for the 85-90% of gross weight; Overlay paper accounts for the 10-15% of gross weight; Basic unit's paper bag is drawn together following composition by weight: calcium carbonate 80-85%, high density polyethylene (HDPE) 10-15%, composite modifier 2-3%, lubricant 2-3%; Overlay paper is a low density polyethylene films, and basic unit's paper and overlay paper are combined into finished product.
2. double-layer food level stone paper according to claim 1 is characterized in that described calcium carbonate is the food-grade calcium carbonate powder, and granularity is more than 1250 orders.
3. double-layer food level stone paper according to claim 1 is characterized in that described composite modifier is the mixture of biological flexibilizer, plasticizer, compatilizer.
4. double-layer food level stone paper according to claim 1 is characterized in that described lubricant is a white oil.
5. a double-layer food level stone paper manufacturing approach is characterized in that, may further comprise the steps:
A. after by weight calcium carbonate 80-85%, high density polyethylene (HDPE) 10-15%, composite modifier 2-3% being mixed, when mixture was in the melt blending state, gradation added lubricant 2-3%;
B. with the mass transport that mixes granulation in the screw extruder, obtain basic unit's paper material;
C. basic unit's paper material and vertical compound being transported in the nipper of low density polyethylene films are suppressed, made the paper finished product; Or be transported to three layers of inflation film manufacturing machine, one time blown film becomes the cylinder paper, digs and opens one-tenth plane, back paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101670675A CN102673061A (en) | 2012-05-18 | 2012-05-18 | Double-layer food-grade stone paper and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101670675A CN102673061A (en) | 2012-05-18 | 2012-05-18 | Double-layer food-grade stone paper and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102673061A true CN102673061A (en) | 2012-09-19 |
Family
ID=46805921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101670675A Pending CN102673061A (en) | 2012-05-18 | 2012-05-18 | Double-layer food-grade stone paper and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102673061A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626438B (en) * | 2014-12-30 | 2016-08-17 | 成都新柯力化工科技有限公司 | A kind of preparation method of fiber stone paper |
| CN114685879A (en) * | 2020-12-31 | 2022-07-01 | 上海昶法新材料有限公司 | Double-layer plastic, raw material composition, preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008274506A (en) * | 2007-04-26 | 2008-11-13 | Hayashi Nagataki | Japanese paper taking health and sanitation into account |
| CN201394946Y (en) * | 2009-03-04 | 2010-02-03 | 宋旭 | Duplex composite rich mineral paper |
| CN101701433A (en) * | 2009-11-18 | 2010-05-05 | 蔡茂友 | Stone water-free paper-making method and flow |
| CN101760990A (en) * | 2009-12-17 | 2010-06-30 | 成都新柯力化工科技有限公司 | Paper making material, preparation method and paper making method of environment-friendly synthetic paper |
| CN101864691A (en) * | 2010-06-11 | 2010-10-20 | 成都新柯力化工科技有限公司 | Environment-friendly paper and preparation method thereof |
| CN102321292A (en) * | 2011-10-20 | 2012-01-18 | 夏丽蓉 | Metallocene polyethene (PE) rich mineral paper and making method thereof |
-
2012
- 2012-05-18 CN CN2012101670675A patent/CN102673061A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008274506A (en) * | 2007-04-26 | 2008-11-13 | Hayashi Nagataki | Japanese paper taking health and sanitation into account |
| CN201394946Y (en) * | 2009-03-04 | 2010-02-03 | 宋旭 | Duplex composite rich mineral paper |
| CN101701433A (en) * | 2009-11-18 | 2010-05-05 | 蔡茂友 | Stone water-free paper-making method and flow |
| CN101760990A (en) * | 2009-12-17 | 2010-06-30 | 成都新柯力化工科技有限公司 | Paper making material, preparation method and paper making method of environment-friendly synthetic paper |
| CN101864691A (en) * | 2010-06-11 | 2010-10-20 | 成都新柯力化工科技有限公司 | Environment-friendly paper and preparation method thereof |
| CN102321292A (en) * | 2011-10-20 | 2012-01-18 | 夏丽蓉 | Metallocene polyethene (PE) rich mineral paper and making method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626438B (en) * | 2014-12-30 | 2016-08-17 | 成都新柯力化工科技有限公司 | A kind of preparation method of fiber stone paper |
| CN114685879A (en) * | 2020-12-31 | 2022-07-01 | 上海昶法新材料有限公司 | Double-layer plastic, raw material composition, preparation method and application thereof |
| CN114685879B (en) * | 2020-12-31 | 2024-02-09 | 上海昶法新材料有限公司 | Double-layer plastic, raw material composition, and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105602106B (en) | A kind of co-extrusion wood plastic composite of antistatic surface | |
| KR101525658B1 (en) | Composition for biomass film using food byproduct of wheat bran or soybean hull and biomass film using thereof | |
| CN103013065B (en) | Composite material for poly(butylene succinate) degradable film and preparation method thereof | |
| CN101797999B (en) | Packaging film for natural cellulose cigarette with heat sealing layer-coated surface and its preparation method | |
| CN102120841A (en) | Degradable synthetic paper material and preparation method thereof | |
| CN102690525A (en) | Wood-plastic composite material using sweet sorghum slag as enhanced phase and preparation method for wood-plastic composite material | |
| CN102120870A (en) | Degradable plastic and production method thereof | |
| CN102850692A (en) | Method for producing wood plastic composite pipes and pipe fittings | |
| CN101880464A (en) | A kind of bamboo base/thermoplastics nanocomposite material | |
| KR101539271B1 (en) | Method and Composition for Pulp - Mineral Synthetic paper | |
| CN105968635A (en) | Waterproof packaging material and preparing method thereof | |
| CN104602558A (en) | Filler mixture for the production of thermoplastic shoe reinforcement materials | |
| CN102555392B (en) | Propene polymer (PP)/polyethylene (PE) three-layer co-extrusion overload packaging bag film and preparation method thereof | |
| CN104448492A (en) | Modified red mud filling master batch for plasticizing industry and special material | |
| KR20140094865A (en) | Composition for biomass film and biomass film using thereof | |
| CN106750877A (en) | A kind of string modified polypropylene composite material and its preparation technology | |
| CN101618622A (en) | Plastic synthetic paper | |
| CN102582186A (en) | Hollow glass bead plastic composite building template and preparation method thereof | |
| CA2851897A1 (en) | Wood-fiber aluminum-plastic composite profile and producing method thereof | |
| CN102673061A (en) | Double-layer food-grade stone paper and manufacturing method thereof | |
| CN106515150A (en) | Hot-pressed wood-plastic composite with sandwich structure and manufacturing method thereof | |
| CN102416748A (en) | Plastic base material film for food packaging and processing technology thereof | |
| CN101402755B (en) | Process for producing composite non-woven fabric, finished product of fabric and process for producing the finished product of fabric | |
| CN105482300A (en) | High-stiffness composite packaging paper and preparation method thereof | |
| CN1847294A (en) | Biodegradable plastic alloy and its prepn process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: CHENGDU XINYUANDA TRADE CO., LTD. Free format text: FORMER OWNER: WANG SUZHI Effective date: 20140820 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610044 CHENGDU, SICHUAN PROVINCE TO: 610041 CHENGDU, SICHUAN PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20140820 Address after: 610041 Sichuan city of Chengdu province high tech Zone No. 85 North Street Shichiku Applicant after: Chengdu Xin Yuan Da Trading Co., Ltd. Address before: 610044 No. 12, No. 5, building 23, 1 min Lu, Wuhou District, Sichuan, Chengdu Applicant before: Wang Suzhi |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120919 |