CN102382360A - Reinforcing master batch specialized for 15 millimeter BOPP shrinkage tobacco film - Google Patents
Reinforcing master batch specialized for 15 millimeter BOPP shrinkage tobacco film Download PDFInfo
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- CN102382360A CN102382360A CN2010102698185A CN201010269818A CN102382360A CN 102382360 A CN102382360 A CN 102382360A CN 2010102698185 A CN2010102698185 A CN 2010102698185A CN 201010269818 A CN201010269818 A CN 201010269818A CN 102382360 A CN102382360 A CN 102382360A
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- millimeter
- shrinkage
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Abstract
The present invention provides a reinforcing master batch specialized for 15 millimeter BOPP shrinkage tobacco film. Through selecting and mixing C5 and C9 petroleum resins and adding an appropriate compatilizer proportionally, high effect and stable quality of the manufactured reinforcing master batch are obtained. The reinforcing master batch is used for manufacturing the 15 millimeter BOPP shrinkage tobacco film. Not only is requirement for attractive appearance of high-grade tobacco package and normal use on machine satisfied, but also amount of the used packaging film is reduced. The amount is reduced for about 25%. The amount of the generated garbage is reduced, and a purpose of environment protection is obtained.
Description
Technical field
The present invention relates to the special use of a kind of 15 microns BOPP retraction tobacco films and increase firm masterbatch.
Background technology
BOPP Biaxially oriented polypropylene film cigarette pack heat-shrinkable film is called for short BOPP retraction tobacco film, is a kind of high-grade BOPP film, and producing needs a large amount of the use to increase firm masterbatch in the BOPP retraction tobacco membrane process; It is a kind of material modified increasing firm masterbatch; It is increased by homopolymer polypropylene and modification, and firm material is mixing by a certain percentage to form, and can significantly improve the percent thermal shrinkage of film, improves the mist degree and the glossiness of film; The barrier that adds strong film has satisfied the good appearance requirement that high-grade cigarette pack is crossed range request.
The firm masterbatch that increases in the market is mainly used in and produces 20 microns BOPP retraction tobacco film; In order to reach the purpose of environment protection; Cigarette package demonstrates the development trend of packaging film slimming, satisfying under the prerequisite of packaging function, reduces the generation of rubbish as far as possible; Promptly encourage fewly pack starting material, and the BOPP retraction tobacco film of corresponding requirements production thickness has developed into 18 microns even 16 microns from 20 microns of standard with film etc.
Increase the BOPP retraction tobacco film that firm masterbatch is used to produce this type thinner thickness on the market; Can occur low, the smooth poor performance of Young's modulus, rolling film unreel smooth along etc. problem; The instability that causes BOPP retraction tobacco film use properties can't normally be used on cigarette packer.
Summary of the invention
The purpose of this invention is to provide the special use of a kind of 15 microns BOPP retraction tobacco films and increase firm masterbatch; This increases firm masterbatch can significantly improve the thin flexible film modulus; Effectively improve the smooth performance of film and unreel freely suitable; Guarantee to produce the ultra-thin BOPP retraction tobacco film use properties good, stable that reaches 15 microns of thickness, satisfied the last confidential summation appearance requirement of cigarette pack process.
The present invention is increased by homopolymer polypropylene and modification that firm material is mixing by a certain percentage to form; It mainly is to be the mixture of master's petroleum spirit converted products with hydrogenation C5 or C9 petroleum resin that modification increases firm material; And this special key of development that increases firm masterbatch is to select C5 and C9 petroleum resin to mix and add by a certain percentage appropriate compatilizer; C5 type petroleum resin and Vestolen PP 7052 have good consistency; Can give film thermostability and smooth performance preferably; C9 type petroleum resin can be given better Young's modulus of film and optical property, add appropriate compatilizer and have then improved the affinity between Vestolen PP 7052 and petroleum resin, C5 type and the C9 type petroleum resin, and they can be interpenetrated better.
Beneficial effect of the present invention: add appropriate compatilizer by a certain percentage through selecting C5 and C9 petroleum resin to mix and adding, the firm masterbatch of producing that increases reaches the very quality of efficient stable.Use this 15 microns BOPP retraction tobacco films of firm masterbatch production that increase, both satisfied the normal requirement of using of the beautiful and last machine of high-grade cigarette pack outward appearance, reduce packaging film consumption (approximately reducing by 25% consumption) again, reduce refuse production, reach the purpose of environmental protection.
Description of drawings:
Fig. 1 is composition of raw materials of the present invention and process flow sheet.
Embodiment
On TE-65 type twin screw extruder group production line, implement.
The temperature of each section of twin screw extruder group is set as follows:
Charging opening: normal temperature
Heating 1 district: 135 ℃
Heating 2 districts: 160 ℃
Heating 3 districts: 170 ℃
Heating 4 districts: 175 ℃
Heating 5 districts: 180 ℃
Heating 6 districts: 185 ℃
Heating 7 districts: 180 ℃
Heating 8 districts: 175 ℃
Die head: 175 ℃
Key process parameter is set as follows:
125 kilograms/hour of production rate
240 rev/mins of extrusion screw rod rotating speeds
Forcing machine vacuumizes 0.06MPa
Fixed 350 rev/mins of pelletizing speed
Embodiment 1
49.5 weight part Vestolen PP 7052,35 weight part petroleum resin C5,15 weight part petroleum resin C9,0.5 weight part compatilizer A premix are formed through the granulation of twin screw extruder group.By the firm masterbatch that increases of above-mentioned raw materials prescription and processing condition manufacturing, be used to produce 15 microns its physical performance indexs of BOPP retraction tobacco film and see table 1, trial effect is seen table 1 in cigar mill.
Embodiment 2
49.5 weight part Vestolen PP 7052,30 weight part petroleum resin C5,20 weight part petroleum resin C9,0.5 weight part compatilizer A premix are formed through the granulation of twin screw extruder group.Twin screw extruder group temperature and processing parameter setting and embodiment 1 are basic identical, produce to increase firm masterbatch and be used to produce 15 microns its physical performance indexs of BOPP retraction tobacco film and see table 1, and trial effect is seen table 1 in cigar mill.
Embodiment 3
49.5 weight part Vestolen PP 7052,35 weight part petroleum resin C5,15 weight part petroleum resin C9,0.5 compatilizer premix are formed through the cold granulation of twin screw extruder group speed.C9 type petroleum resin are made up of a series of unformed oligopolymer, the special thickness of melt, and C9 type petroleum resin blending ratio improves back granulation difficulty relatively; In order to ensure this product large-scale production; Transformed the existing type of cooling, designed the fast cold cut grain of cover system, guaranteed that granulation process is normal.
Twin screw extruder group temperature and other processing parameter setting and embodiment 1 are basic identical, produce to increase firm masterbatch and be used to produce 15 microns its physical performance indexs of BOPP retraction tobacco film and see table 1, and trial effect is seen table 1 in cigar mill.
The contrast of table 1:15 micron BOPP retraction tobacco film physicals
Table 2: cigar mill's trial effect contrast
Through above enforcement research and development process, related data contrast with in the actual service condition of cigar mill, the present invention has to draw a conclusion the exploitation of 15 microns firm masterbatch of BOPP retraction tobacco film special use increasing:
1, through the contrast of physical performance index and the last machine operation of cigar mill; Reasonably select C5 and C9 petroleum resin to mix and add appropriate compatilizer by a certain percentage in the research; C5 type petroleum resin and Vestolen PP 7052 have good consistency; Can give film thermostability and smooth performance preferably, C9 type petroleum resin can be given better Young's modulus of film and optical property, add the affinity that appropriate compatilizer has then been improved Vestolen PP 7052 and petroleum resin, C5 type and C9 type petroleum resin; Make between them and can interpenetrate better, fully represented performance advantage very efficiently.
2, this special use each item performance index of increasing 15 microns BOPP retraction tobacco films of firm masterbatch production all are better than and increase 20 microns BOPP retraction tobacco films that firm masterbatch is produced in the market; Satisfied in each item performance index that high-grade cigarette pack outward appearance is beautiful normally packs under the prerequisite of requirement of use with last machine; Reduced BOPP retraction tobacco film consumption; Reached the environmental protection purpose of expection, steady quality is reliable.
Claims (1)
1. the special use of one kind 15 microns BOPP retraction tobacco films increases firm masterbatch, it is characterized in that 49-49.5 weight part Vestolen PP 7052,25-35 weight part petroleum resin C5,15-25 weight part petroleum resin C9,0.5-1 weight part compatilizer premix are formed through the granulation of twin screw extruder group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102698185A CN102382360A (en) | 2010-08-26 | 2010-08-26 | Reinforcing master batch specialized for 15 millimeter BOPP shrinkage tobacco film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102698185A CN102382360A (en) | 2010-08-26 | 2010-08-26 | Reinforcing master batch specialized for 15 millimeter BOPP shrinkage tobacco film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102382360A true CN102382360A (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102698185A Pending CN102382360A (en) | 2010-08-26 | 2010-08-26 | Reinforcing master batch specialized for 15 millimeter BOPP shrinkage tobacco film |
Country Status (1)
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| CN (1) | CN102382360A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7314901B2 (en) * | 2003-01-30 | 2008-01-01 | Exxonmobil Chemical Patents Inc. | Polypropylene films |
| CN101161706A (en) * | 2007-09-18 | 2008-04-16 | 佛山塑料集团股份有限公司 | Knot film and method for manufacturing same |
| CN101633262A (en) * | 2008-07-21 | 2010-01-27 | 泉州利昌塑胶有限公司 | Non-adhesive biaxially-oriented polypropylene film for hot lamination and preparation method thereof |
| CN101633260A (en) * | 2008-07-21 | 2010-01-27 | 泉州利昌塑胶有限公司 | Non-adhesive biaxially-oriented polypropylene film for hot lamination and preparation method thereof |
-
2010
- 2010-08-26 CN CN2010102698185A patent/CN102382360A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7314901B2 (en) * | 2003-01-30 | 2008-01-01 | Exxonmobil Chemical Patents Inc. | Polypropylene films |
| CN101161706A (en) * | 2007-09-18 | 2008-04-16 | 佛山塑料集团股份有限公司 | Knot film and method for manufacturing same |
| CN101633262A (en) * | 2008-07-21 | 2010-01-27 | 泉州利昌塑胶有限公司 | Non-adhesive biaxially-oriented polypropylene film for hot lamination and preparation method thereof |
| CN101633260A (en) * | 2008-07-21 | 2010-01-27 | 泉州利昌塑胶有限公司 | Non-adhesive biaxially-oriented polypropylene film for hot lamination and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 涂志刚: "BOPP薄膜专用母料及其高性能化研究", 《中山大学博士后出站报告》, 2005 * |
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Application publication date: 20120321 |