CN109853295A - A kind of release paper of Anti-curling and preparation method thereof - Google Patents
A kind of release paper of Anti-curling and preparation method thereof Download PDFInfo
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- CN109853295A CN109853295A CN201811610283.6A CN201811610283A CN109853295A CN 109853295 A CN109853295 A CN 109853295A CN 201811610283 A CN201811610283 A CN 201811610283A CN 109853295 A CN109853295 A CN 109853295A
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Abstract
The invention discloses a kind of release papers of Anti-curling, including body paper, the body paper is equipped with leaching membrane layer, and the leaching membrane layer is by including that the raw material of following parts by weight is made: 85~95 parts of polypropylene, 15~20 parts of glycidyl methacrylate graft modified poly ethylene, 5~9 parts of expanded graphite, 4~7 parts of polysiloxanes, 10~16 parts of nanometer calcium carbonate.The release paper structure of Anti-curling of the invention is simple, it is easily processed into type, low manufacture cost, the high comprehensive performances such as paper membrane bond strength, peel strength, high temperature resistance, shrinking percentage, especially shrinking percentage are low, can effectively prevent crimping in use process, prolong the service life, and release paper surface refractory, be unlikely to deform, coating and body paper are not easily stripped, long service life.
Description
Technical field
The present invention relates to release paper fields, and in particular to a kind of release paper of Anti-curling and preparation method thereof.
Background technique
Release paper needs to be widely used in industrial processes, is the transfer coated indispensable carrier of processing, from
Type paper surface needs high temperature resistant, is unlikely to deform；Polypropylene (PP) material making coatings can make release paper surface refractory, be not easy
Deformation, peeling effect is good, but PP material is not easy to combine with body paper, and polyethylene (PE) material making coatings can make between coating and body paper
There is higher bond strength, but do not have high temperature resistant and on-deformable characteristic, uses the mixing material of one layer of PE and PP at present
As the coating of release paper, so that the former base stock of release paper and release paper surface are easily-deformable, remove, service life is shorter, and table
Face does not have preferable high temperature resistant, on-deformable characteristic, and peeling effect is also bad.
Furthermore release paper in use, is easy to appear curling, influences service life.
Based on the above situation, the invention proposes release paper of a kind of Anti-curling and preparation method thereof, can effectively solve with
Upper problem.
Summary of the invention
The purpose of the present invention is to provide release papers of a kind of Anti-curling and preparation method thereof.Anti-curling of the invention from
Type paper structure is simple, easily processed into type, low manufacture cost, paper membrane bond strength, peel strength, high temperature resistance, shrinking percentage
Equal high comprehensive performances, especially shrinking percentage are low, can effectively prevent crimping in use process, prolong the service life.
The present invention is achieved through the following technical solutions:
A kind of release paper of Anti-curling, including body paper, the body paper are equipped with leaching membrane layer, and the leaching membrane layer is by including following
The raw material of parts by weight is made:
85~95 parts of polypropylene,
15~20 parts of glycidyl methacrylate graft modified poly ethylene,
5~9 parts of expanded graphite,
4~7 parts of polysiloxanes,
10~16 parts of nanometer calcium carbonate.
The release paper structure of Anti-curling of the invention is simple, easily processed into type, low manufacture cost, paper membrane bond strength,
The high comprehensive performances such as peel strength, high temperature resistance, shrinking percentage, especially shrinking percentage are low, can effectively prevent in use process
Curling, prolongs the service life, and release paper surface refractory, is unlikely to deform, and coating and body paper are not easily stripped, long service life.
Preferably, the body paper is equipped with leaching membrane layer, and the leaching membrane layer is by including that the raw material of following parts by weight is made:
90 parts of polypropylene,
17.8 parts of glycidyl methacrylate graft modified poly ethylene,
7.6 parts of expanded graphite,
5.5 parts of polysiloxanes,
14.4 parts of nanometer calcium carbonate.
Preferably, the grafting rate of the glycidyl methacrylate graft modified poly ethylene is 0.2~0.3%.
Preferably, the leaching membrane layer with a thickness of 0.1~1mm.
Preferably, it is equipped with the back side of leaching membrane layer in the body paper, is additionally provided with the coating of the polyvinyl chloride of 1~2g/m2.
The present invention also provides a kind of preparation methods of the release paper of Anti-curling, including the following steps:
A, dry body paper preparation: body paper is dried in vacuo, dry body paper is obtained；
B, dry body paper surface frosted: dry body paper is subjected to surface frosted processing with grinding machine, obtains pretreatment body paper；
C, by polypropylene, glycidyl methacrylate graft modified poly ethylene, expanded graphite, polysiloxanes, nanometer
Calcium carbonate is uniformly mixed, and is sent into laminating machine, is squeezed out on pretreatment body paper by laminating machine die head, is obtained leaching membrane paper；
D, it is equipped with the back side of leaching membrane layer in leaching membrane paper, the coating of the polyvinyl chloride of 1~2g/m2 is coated, at the beginning of obtaining release paper
Product；
E, release paper head product is successively subjected to corona pre-treatment, supercalendering and drying process, obtain Anti-curling from
Type paper.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
The release paper structure of Anti-curling of the invention is simple, easily processed into type, low manufacture cost, paper membrane bond strength,
The high comprehensive performances such as peel strength, high temperature resistance, shrinking percentage, especially shrinking percentage are low, can effectively prevent in use process
Curling, prolongs the service life, and release paper surface refractory, is unlikely to deform, and coating and body paper are not easily stripped, long service life.
The glycidyl methacrylate graft modified poly ethylene that proper proportion is added in release paper of the invention, takes
For common polythene, there is good compatibility with polypropylene, play good chemiluminescence, make release paper of the invention
Paper membrane bond strength, the performances such as peel strength be substantially improved, improve and reuse number.
The release paper that release paper of the invention is formulated relative to other is made by optimization formula and rational proportion
The shrinking percentage of release paper is low, and paper membrane bond strength, peel strength, high temperature resistance are good, can make the repetition of release paper of the invention
Access times greatly improve.
The expanded graphite that proper proportion is added in release paper of the invention, drops the shrinking percentage of release paper of the invention substantially
It is low.
The polysiloxanes that proper proportion is added in release paper of the invention, can make the high temperature resistance of release paper of the invention
There is promotion by a relatively large margin.
Preparation method simple process of the invention, it is easy to operate, effectively save manpower and equipment cost.
Specific embodiment
The present invention is described in further detail below with reference to embodiment, embodiments of the present invention are not limited thereto.
Test method described in following embodiments or test method are unless otherwise specified conventional method；The reagent
And material is obtained from routine business approach, or prepare in conventional manner unless otherwise specified.
Embodiment 1:
A kind of release paper of Anti-curling, including body paper, the body paper are equipped with leaching membrane layer, and the leaching membrane layer is by including following
The raw material of parts by weight is made:
85~95 parts of polypropylene,
15~20 parts of glycidyl methacrylate graft modified poly ethylene,
5~9 parts of expanded graphite,
4~7 parts of polysiloxanes,
10~16 parts of nanometer calcium carbonate.
Embodiment 2:
A kind of release paper of Anti-curling, including body paper, the body paper are equipped with leaching membrane layer, and the leaching membrane layer is by including following
The raw material of parts by weight is made:
85 parts of polypropylene,
15 parts of glycidyl methacrylate graft modified poly ethylene,
5 parts of expanded graphite,
4 parts of polysiloxanes,
10 parts of nanometer calcium carbonate.
In the present embodiment, the grafting rate of the glycidyl methacrylate graft modified poly ethylene is 0.2%.
In the present embodiment, the leaching membrane layer with a thickness of 0.7mm.
In the present embodiment, it is equipped with the back side of leaching membrane layer in the body paper, is additionally provided with the coating of the polyvinyl chloride of 1g/m2.
In the present embodiment, the preparation method of the release paper of the Anti-curling, including the following steps:
A, dry body paper preparation: body paper is dried in vacuo, dry body paper is obtained；
B, dry body paper surface frosted: dry body paper is subjected to surface frosted processing with grinding machine, obtains pretreatment body paper；
C, by polypropylene, glycidyl methacrylate graft modified poly ethylene, expanded graphite, polysiloxanes, nanometer
Calcium carbonate is uniformly mixed, and is sent into laminating machine, is squeezed out on pretreatment body paper by laminating machine die head, is obtained leaching membrane paper；
D, it is equipped with the back side of leaching membrane layer in leaching membrane paper, coats the coating of the polyvinyl chloride of 1g/m2, obtains release paper primiparity
Product；
E, release paper head product is successively subjected to corona pre-treatment, supercalendering and drying process, obtain Anti-curling from
Type paper.
Embodiment 3:
A kind of release paper of Anti-curling, including body paper, the body paper are equipped with leaching membrane layer, and the leaching membrane layer is by including following
The raw material of parts by weight is made:
95 parts of polypropylene,
20 parts of glycidyl methacrylate graft modified poly ethylene,
9 parts of expanded graphite,
7 parts of polysiloxanes,
16 parts of nanometer calcium carbonate.
In the present embodiment, the grafting rate of the glycidyl methacrylate graft modified poly ethylene is 0.3%.
In the present embodiment, the leaching membrane layer with a thickness of 0.7mm.
In the present embodiment, it is equipped with the back side of leaching membrane layer in the body paper, is additionally provided with the coating of the polyvinyl chloride of 2g/m2.
In the present embodiment, the preparation method of the release paper of the Anti-curling, including the following steps:
A, dry body paper preparation: body paper is dried in vacuo, dry body paper is obtained；
B, dry body paper surface frosted: dry body paper is subjected to surface frosted processing with grinding machine, obtains pretreatment body paper；
C, by polypropylene, glycidyl methacrylate graft modified poly ethylene, expanded graphite, polysiloxanes, nanometer
Calcium carbonate is uniformly mixed, and is sent into laminating machine, is squeezed out on pretreatment body paper by laminating machine die head, is obtained leaching membrane paper；
D, it is equipped with the back side of leaching membrane layer in leaching membrane paper, coats the coating of the polyvinyl chloride of 2g/m2, obtains release paper primiparity
Product；
E, release paper head product is successively subjected to corona pre-treatment, supercalendering and drying process, obtain Anti-curling from
Type paper.
Embodiment 4:
A kind of release paper of Anti-curling, including body paper, the body paper are equipped with leaching membrane layer, and the leaching membrane layer is by including following
The raw material of parts by weight is made:
90 parts of polypropylene,
17.8 parts of glycidyl methacrylate graft modified poly ethylene,
7.6 parts of expanded graphite,
5.5 parts of polysiloxanes,
14.4 parts of nanometer calcium carbonate.
In the present embodiment, the grafting rate of the glycidyl methacrylate graft modified poly ethylene is 0.25%.
In the present embodiment, the leaching membrane layer with a thickness of 0.7mm.
In the present embodiment, it is equipped with the back side of leaching membrane layer in the body paper, is additionally provided with the coating of the polyvinyl chloride of 2g/m2.
In the present embodiment, the preparation method of the release paper of the Anti-curling, including the following steps:
A, dry body paper preparation: body paper is dried in vacuo, dry body paper is obtained；
B, dry body paper surface frosted: dry body paper is subjected to surface frosted processing with grinding machine, obtains pretreatment body paper；
C, by polypropylene, glycidyl methacrylate graft modified poly ethylene, expanded graphite, polysiloxanes, nanometer
Calcium carbonate is uniformly mixed, and is sent into laminating machine, is squeezed out on pretreatment body paper by laminating machine die head, is obtained leaching membrane paper；
D, it is equipped with the back side of leaching membrane layer in leaching membrane paper, coats the coating of the polyvinyl chloride of 2g/m2, obtains release paper primiparity
Product；
E, release paper head product is successively subjected to corona pre-treatment, supercalendering and drying process, obtain Anti-curling from
Type paper.
Comparative example 1
Difference with embodiment 4 is that, without expanded graphite, other are same as Example 4.
Comparative example 2
Difference with embodiment 4 is, glycidyl methacrylate graft modified poly ethylene polyethylene, other with
Embodiment 4 is identical.
Comparative example 3
Difference with embodiment 4 is, does not have and polysiloxanes, other are same as Example 4.
Below the release paper to the embodiment of the present invention 2 to embodiment 4, comparative example 1 to comparative example 3 and common release paper into
Row performance test, test result are as shown in table 1:
Table 1
As can be seen from the above table, the paper membrane knot of the release paper of the Anti-curling of the embodiment of the present invention 2, embodiment 3 and embodiment 4
The comprehensive performances such as conjunction intensity, peel strength, high temperature resistance, shrinking percentage are more excellent, and especially shrinking percentage is low, in use process
It can effectively prevent crimping, prolong the service life.
Integrated embodiment 4 and comparative example 1, comparative example 2 and comparative example 3 are it is found that in release paper of the invention relative to other
The release paper shrinking percentage of formula is low, and paper membrane bond strength, peel strength, high temperature resistance are good, can make release paper of the invention
Number is reused to greatly improve；The expanded graphite that proper proportion is added in release paper of the invention, can make of the invention
The shrinking percentage of release paper is greatly reduced；The polysiloxanes that proper proportion is added in release paper of the invention, can make of the invention
The high temperature resistance of release paper has promotion by a relatively large margin；The methacrylic acid of proper proportion is added in release paper of the invention
Ethylene oxidic ester Grafted Polyethylene replaces common polythene, the leaching membrane layer of release paper of the invention and body paper can be made to have height
Bond strength, improve reuse number.
In addition, the reuse number of release paper of the invention reaches 50 times or more after tested；Tensile strength (vertical) is reachable
9.75kN/m；Tensile strength (cross) is up to 1583mN；Solvent resistance is preferable.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to technical spirit any simple modification to the above embodiments of the invention, equivalent variations, protection of the invention is each fallen within
Within the scope of.
Claims (6)
1. a kind of release paper of Anti-curling, including body paper, it is characterised in that: the body paper is equipped with leaching membrane layer, the leaching membrane layer
It is made of the raw material for including following parts by weight:
85~95 parts of polypropylene,
15~20 parts of glycidyl methacrylate graft modified poly ethylene,
5~9 parts of expanded graphite,
4~7 parts of polysiloxanes,
10~16 parts of nanometer calcium carbonate.
2. the release paper of Anti-curling according to claim 1, it is characterised in that: the body paper is equipped with leaching membrane layer, described
Leaching membrane layer is by including that the raw material of following parts by weight is made:
90 parts of polypropylene,
17.8 parts of glycidyl methacrylate graft modified poly ethylene,
7.6 parts of expanded graphite,
5.5 parts of polysiloxanes,
14.4 parts of nanometer calcium carbonate.
3. the release paper of Anti-curling according to claim 1, it is characterised in that: the glycidyl methacrylate connects
The grafting rate of branch modified poly ethylene is 0.2~0.3%.
4. the release paper of Anti-curling according to claim 1, it is characterised in that: the leaching membrane layer with a thickness of 0.1~
1mm。
5. the release paper of Anti-curling according to claim 1, it is characterised in that: be equipped with the back of leaching membrane layer in the body paper
Face is additionally provided with the coating of the polyvinyl chloride of 1~2g/m2.
6. a kind of such as a kind of preparation method of the release paper of Anti-curling described in any one of claim 1 to 5, which is characterized in that
Include the following steps:
A, dry body paper preparation: body paper is dried in vacuo, dry body paper is obtained；
B, dry body paper surface frosted: dry body paper is subjected to surface frosted processing with grinding machine, obtains pretreatment body paper；
C, by polypropylene, glycidyl methacrylate graft modified poly ethylene, expanded graphite, polysiloxanes, nano-calcium carbonate
Calcium is uniformly mixed, and is sent into laminating machine, is squeezed out on pretreatment body paper by laminating machine die head, is obtained leaching membrane paper；
D, it is equipped with the back side of leaching membrane layer in leaching membrane paper, coats the coating of the polyvinyl chloride of 1~2g/m2, obtains release paper head product；
E, release paper head product is successively subjected to corona pre-treatment, supercalendering and drying process, obtains the release paper of Anti-curling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811610283.6A CN109853295B (en) | 2018-12-27 | 2018-12-27 | Anti-curl release paper and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811610283.6A CN109853295B (en) | 2018-12-27 | 2018-12-27 | Anti-curl release paper and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109853295A true CN109853295A (en) | 2019-06-07 |
| CN109853295B CN109853295B (en) | 2021-06-11 |
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ID=66892537
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811610283.6A Active CN109853295B (en) | 2018-12-27 | 2018-12-27 | Anti-curl release paper and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395039A (en) * | 2020-04-07 | 2020-07-10 | 浙江望泰特种纸业有限公司 | High-wear-resistance anti-curling release paper |
| CN111451115A (en) * | 2020-04-07 | 2020-07-28 | 浙江望泰特种纸业有限公司 | Preparation method of high-temperature-resistant embossed release paper for synthetic leather |
| CN112726285A (en) * | 2021-01-20 | 2021-04-30 | 宝燕工业科技(南通)有限公司 | Release paper for producing close-contact adhesive tape |
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| CN103183871A (en) * | 2011-12-31 | 2013-07-03 | 北京化工大学 | Polypropylene based resin composition for leather release paper, and preparation method and application thereof |
| CN104975536A (en) * | 2015-06-09 | 2015-10-14 | 东莞市尚鑫纸业有限公司 | Low density and soft release paper |
| CN106012670A (en) * | 2016-05-17 | 2016-10-12 | 湖南省和祥润新材料有限公司 | Release paper for adhesive tape and preparation method of release paper |
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Patent Citations (4)
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| CN103183871A (en) * | 2011-12-31 | 2013-07-03 | 北京化工大学 | Polypropylene based resin composition for leather release paper, and preparation method and application thereof |
| CN104975536A (en) * | 2015-06-09 | 2015-10-14 | 东莞市尚鑫纸业有限公司 | Low density and soft release paper |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111395039A (en) * | 2020-04-07 | 2020-07-10 | 浙江望泰特种纸业有限公司 | High-wear-resistance anti-curling release paper |
| CN111451115A (en) * | 2020-04-07 | 2020-07-28 | 浙江望泰特种纸业有限公司 | Preparation method of high-temperature-resistant embossed release paper for synthetic leather |
| CN112726285A (en) * | 2021-01-20 | 2021-04-30 | 宝燕工业科技(南通)有限公司 | Release paper for producing close-contact adhesive tape |
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| CN109853295B (en) | 2021-06-11 |
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