CN109397726A - A kind of processing technology of CCP film - Google Patents
A kind of processing technology of CCP film Download PDFInfo
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- CN109397726A CN109397726A CN201811343439.9A CN201811343439A CN109397726A CN 109397726 A CN109397726 A CN 109397726A CN 201811343439 A CN201811343439 A CN 201811343439A CN 109397726 A CN109397726 A CN 109397726A
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- film
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of processing technologys of CCP film, comprising the following steps: S1, ingredient；S2, T-die squeeze out；S3: thickness measuring；S4, sided corona treatment；S5, traction；S6, it batches；S7, cutting；S8, packaging.The processing technology of this CPP film, the method for being cast quenching production by melt, make its tensionless winkler foundation, the cast film film of non-directional, its main feature is that speed of production is fast, yield is high, thin-film transparent, glossiness, the thickness uniformity is good, and due to being cast film, subsequent handling is as printed, it is compound etc. extremely convenient, it is orderly by PP molecules align, be conducive to improve the transparency of film, gloss and the thickness uniformity, and it is relatively good to be suitable for the security performance that liquid and hard object are packed, it can be stored in refrigerator, pass through thickness measuring simultaneously, carry out the thickness of film, to control the impact strength of product, making the safety of packaging has guarantee.
Description
Technical field
The present invention relates to CPP film processing technique field, specially a kind of processing technology of CCP film.
Background technique
CPP film is the First Line of import, which is that the twirl of import wraps up in the dedicated application program of candy, is passed as substitution
The degree for the broken glass paper that system uses, PVC film.From that time, more than at least six, the co-extrusion that mainly haves three layers line has installed today
At least one or more row is only 10-12 months distant.The potentiality estimation of CPP film by 100,000,000 tons or so in 2000,
The field of covering, such as packaging bag, composite membrane, soft vacuolar membrane, distortion winding, stationery goods, health product.
However this CPP film is survived in process of production, speed is slow, low output, and performance is poor, and various performances are put down
Weighing apparatus property is poor, therefore can not keep up with the required quantity of society and quality now.
Therefore, it is proposed that a kind of processing technology of CCP film, set forth above to solve the problems, such as.
Summary of the invention
The purpose of the present invention is to provide a kind of processing technologys of CCP film, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of processing technology of CCP film, comprising the following steps:
S1, ingredient: selecting the resin of the proprietary trade mark, and generally requiring melt flow rate (MFR) (MFR) is 6-12g/10min's
Resin, there is certain fluidity of molten, and production resin is PP copolymer；
S2, T-die squeeze out: copolymer polypropylene raw material being heated to 120-170 DEG C first, copolymerized type propene polymer adds
Work temperature is controlled at 220-240 DEG C, and the resin after heating melting is cast on the chill roll of any surface finish through head, cooling
The temperature of roller controls between 25-35 DEG C；
S3: thickness measuring: carrying out the gap between control die lip, a little higher than required film thickness is arranged, by the thickness control of film
System is between 14-250 μm；
S4, sided corona treatment: radio-frequency generator (H1F1G) a large amount of plasma gas generated and ozone and polyolefin table are utilized
Face molecule directly or indirectly acts on, and melt mass flow rate is maintained at 6-12g/10min；
S5, traction: resin temperature is increased using 230-250 DEG C of temperature, makes its surface tension that must reach 38-
Between 42dyn/cm；
S6, batch: the tension force of the coiling technique is between 8-12N；
S7, cutting；
S8, packaging.
Preferably, the T-type head in the step S2 will use Precision Machining head, and the most commonly used is decrescence manifold rack-styles
Head.
Preferably, the surface of the chill roll in the step S2 should be not more than 0.15mm by finishing, surface roughness,
Revolving speed should be stablized.
Preferably, the step S6 thickness measuring tool should be monitored film thickness using β ray or infrared gauge.
Preferably, the mixing barrel temperature of ingredient should be arranged between 180-240 DEG C in the step 1.
Preferably, the type of cooling of chill roll uses water cooling in the step 2, and the temperature of cooling water is controlled 80-120
Between DEG C.
Compared with prior art, the beneficial effects of the present invention are: the method for being cast quenching production by melt, makes it without drawing
It stretches, the cast film film of non-directional, its main feature is that speed of production is fast, yield is high, thin-film transparent, glossiness, the thickness uniformity
Well, respectively excellent to performance balance, and due to being cast film, subsequent handling such as prints, is compound extremely convenient, thus
It is widely used in the packaging of textile, fresh flower, food, daily necessities, it is orderly by PP molecules align, be conducive to improve film
The transparency, gloss and the thickness uniformity, and the security performance for being suitable for liquid and hard object packaging is relatively good, it can be in refrigerator memory
It puts, while by thickness measuring, carrying out the thickness of film, to control the impact strength of product, the safety of packaging is made to have guarantee.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1:
A kind of processing technology of CCP film, comprising the following steps:
S1, ingredient: selecting the resin of the proprietary trade mark, and generally requiring melt flow rate (MFR) (MFR) is 6-12g/10min's
Resin, there is certain fluidity of molten, and production resin is PP copolymer；
S2, T-die squeeze out: copolymer polypropylene raw material being heated to 150 DEG C first, so that the impact strength of boiling grade
It is apparently higher than non-boiling grade, the processing temperature of copolymerized type propene polymer is controlled at 240 DEG C, by the resin after heating melting through head
It is cast on the chill roll of any surface finish, the temperature of chill roll is controlled at 30 DEG C, adapts to its crystallinity and transparent pipe equal proportion
Demand；
S3: thickness measuring: carrying out the gap between control die lip, a little higher than required film thickness is arranged, by the thickness control of film
System is at 100 μm；
S4, sided corona treatment: radio-frequency generator (H1F1G) a large amount of plasma gas generated and ozone and polyolefin table are utilized
Face molecule directly or indirectly acts on, and melt mass flow rate is maintained at 6-12g/10min；
S5, traction: being increased resin temperature using 240 DEG C of temperature, make its surface tension must reach 38dyn/cm it
Between, the holding time is reduced, processing effect is increased；
S6, batch: the tension force of the coiling technique is in 10N；
S7, cutting；
S8, packaging.
T-type head in the step S2 will use Precision Machining head, and the most commonly used is decrescence manifold coat-hanger dies.
The surface of chill roll in the step S2 should be not more than 0.15mm by finishing, surface roughness, and revolving speed is answered
Stablize.
The step S6 thickness measuring tool should be monitored film thickness using β ray or infrared gauge.
The mixing barrel temperature of ingredient should be arranged in 240 DEG C in the step 1.
The type of cooling of chill roll uses water cooling in the step 2, and the temperature of cooling water is controlled at 100 DEG C.
Embodiment 2:
A kind of processing technology of CCP film, comprising the following steps:
S1, ingredient: selecting the resin of the proprietary trade mark, and generally requiring melt flow rate (MFR) (MFR) is 6-12g/10min's
Resin, there is certain fluidity of molten, and production resin is PP copolymer；
S2, T-die squeeze out: copolymer polypropylene raw material being heated to 120 DEG C first, show that non-boiling grade refers to do and steams
A bag internal layer substrate is boiled, is only used for ordinary packing film, the processing temperature of copolymerized type propene polymer is controlled at 220 DEG C, and heating is molten
Resin after melting is cast on the chill roll of any surface finish through head, and the temperature of chill roll controls between 25 DEG C, makes crystallinity
Reduce, increases transparency；
S3: thickness measuring: carrying out the gap between control die lip, a little higher than required film thickness is arranged, by the thickness control of film
System is at 14 μm；
S4, sided corona treatment: radio-frequency generator (H1F1G) a large amount of plasma gas generated and ozone and polyolefin table are utilized
Face molecule directly or indirectly acts on, and melt mass flow rate is maintained at 6-12g/10min；
S5, traction: being increased resin temperature using 230 DEG C of temperature, is made its surface tension that must reach 40dyn/cm, is made
Holding time matches with processing effect；
S6, batch: the tension force of the coiling technique is in 8N；
S7, cutting；
S8, packaging.
T-type head in the step S2 will use Precision Machining head, and the most commonly used is decrescence manifold coat-hanger dies.
The surface of chill roll in the step S2 should be not more than 0.15mm by finishing, surface roughness, and revolving speed is answered
Stablize.
The step S6 thickness measuring tool should be monitored film thickness using β ray or infrared gauge.
The mixing barrel temperature of ingredient should be arranged in 180 DEG C in the step 1.
The type of cooling of chill roll uses water cooling in the step 2, and the temperature of cooling water is controlled at 120 DEG C.
Embodiment 3:
A kind of processing technology of CCP film, comprising the following steps:
S1, ingredient: selecting the resin of the proprietary trade mark, and generally requiring melt flow rate (MFR) (MFR) is 6-12g/10min's
Resin, there is certain fluidity of molten, and production resin is PP copolymer；
S2, T-die squeeze out: copolymer polypropylene raw material being heated to 170 DEG C first, so that the impact strength of boiling grade
It is apparently higher than non-boiling grade, the processing temperature of copolymerized type propene polymer is controlled at 200 DEG C, by the resin after heating melting through head
It is cast on the chill roll of any surface finish, the temperature of chill roll is controlled at 35 DEG C, is increased crystallinity, is reduced its transparency；
S3: thickness measuring: carrying out the gap between control die lip, a little higher than required film thickness is arranged, by the thickness control of film
System is between 14-250 μm；
S4, sided corona treatment: radio-frequency generator (H1F1G) a large amount of plasma gas generated and ozone and polyolefin table are utilized
Face molecule directly or indirectly acts on, and melt mass flow rate is maintained at 6-12g/10min；
S5, traction: being increased resin temperature using 250 DEG C of temperature, makes its surface tension that must reach 42dyn/cm, just
The valence holding time reduces processing effect；
S6, batch: the tension force of the coiling technique is in 12N；
S7, cutting；
S8, packaging.
T-type head in the step S2 will use Precision Machining head, and the most commonly used is decrescence manifold coat-hanger dies.
The surface of chill roll in the step S2 should be not more than 0.15mm by finishing, surface roughness, and revolving speed is answered
Stablize.
The step S6 thickness measuring tool should be monitored film thickness using β ray or infrared gauge.
The mixing barrel temperature of ingredient should be arranged between 240 DEG C in the step 1.
The type of cooling of chill roll uses water cooling in the step 2, and the temperature of cooling water controls between 80 DEG C.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of processing technology of CCP film, which comprises the following steps:
S1, ingredient: selecting the resin of the proprietary trade mark, and generally requiring melt flow rate (MFR) (MFR) is the resin of 6-12g/10min,
There is certain fluidity of molten, production resin is PP copolymer；
S2, T-die squeeze out: copolymer polypropylene raw material being heated to 120-170 DEG C first, the processing temperature of copolymerized type propene polymer
Resin after heating melting is cast on the chill roll of any surface finish by degree control at 220-240 DEG C through head, chill roll
Temperature controls between 25-35 DEG C；
S3: thickness measuring: carrying out the gap between control die lip, and a little higher than required film thickness is arranged, the thickness control of film is existed
Between 14-250 μm；
S4, sided corona treatment: radio-frequency generator (H1F1G) a large amount of plasma gas generated and ozone and polyolefin surfaces point are utilized
Sub directly or indirectly effect, melt mass flow rate are maintained at 6-12g/10min；
S5, traction: resin temperature is increased using 230-250 DEG C of temperature, makes its surface tension that must reach 38-42dyn/
Between cm；
S6, batch: the tension force of the coiling technique is between 8-12N；
S7, cutting；
S8, packaging.
2. a kind of processing technology of CCP film according to claim 1, which is characterized in that the T-type head in the step S2
Precision Machining head is used, the most commonly used is decrescence manifold coat-hanger dies.
3. a kind of processing technology of CCP film according to claim 1, which is characterized in that the chill roll in the step S2
Surface should be not more than 0.15mm by finishing, surface roughness, revolving speed should stablize.
4. a kind of processing technology of CCP film according to claim 1, which is characterized in that the step S6 thickness measuring tool is answered
Film thickness is monitored using β ray or infrared gauge.
5. a kind of processing technology of CCP film according to claim 1, which is characterized in that the mixing of ingredient in the step 1
Barrel temperature should be arranged between 180-240 DEG C.
6. a kind of processing technology of CCP film according to claim 1, which is characterized in that chill roll is cold in the step 2
But mode uses water cooling, and the temperature of cooling water controls between 80-120 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811343439.9A CN109397726A (en) | 2018-11-13 | 2018-11-13 | A kind of processing technology of CCP film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811343439.9A CN109397726A (en) | 2018-11-13 | 2018-11-13 | A kind of processing technology of CCP film |
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| Publication Number | Publication Date |
|---|---|
| CN109397726A true CN109397726A (en) | 2019-03-01 |
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ID=65473107
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|---|---|---|---|
| CN201811343439.9A Pending CN109397726A (en) | 2018-11-13 | 2018-11-13 | A kind of processing technology of CCP film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873783A (en) * | 2021-02-01 | 2021-06-01 | 吴刚 | Forming device and process for producing gelatin composite geomembrane |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538194A (en) * | 2013-09-29 | 2014-01-29 | 桐城市福润包装材料有限公司 | CPP (Copolymerized Polypropylene) film production process |
| CN107521201A (en) * | 2017-10-17 | 2017-12-29 | 安徽国泰印务有限公司 | A kind of novel C PP casting films and preparation method thereof |
| CN107984852A (en) * | 2017-10-31 | 2018-05-04 | 重庆瑞霆塑胶有限公司 | A kind of CPP films and its production technology |
-
2018
- 2018-11-13 CN CN201811343439.9A patent/CN109397726A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538194A (en) * | 2013-09-29 | 2014-01-29 | 桐城市福润包装材料有限公司 | CPP (Copolymerized Polypropylene) film production process |
| CN107521201A (en) * | 2017-10-17 | 2017-12-29 | 安徽国泰印务有限公司 | A kind of novel C PP casting films and preparation method thereof |
| CN107984852A (en) * | 2017-10-31 | 2018-05-04 | 重庆瑞霆塑胶有限公司 | A kind of CPP films and its production technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873783A (en) * | 2021-02-01 | 2021-06-01 | 吴刚 | Forming device and process for producing gelatin composite geomembrane |
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Application publication date: 20190301 |
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