阅读说明：本技术 一种使用方便的pvc明纹保护膜及其制备方法和应用 (PVC (polyvinyl chloride) bright-line protective film convenient to use and preparation method and application thereof ) 是由 柯跃虎 诸葛锋 宋亦健 曾庆明 于 2021-06-21 设计创作，主要内容包括：本发明涉及保护膜领域,尤其涉及一种使用方便的PVC明纹保护膜及其制备方法和应用,所述保护膜包括PVC膜层、溶剂型橡胶压敏胶层。本发明的PVC保护膜具有优异的防水和防滑性能,贴覆在板材上使用时,不易出现残胶、鬼影等缺陷,且对PVC膜进行压纹处理,使用时更易撕,使用方便。(The invention relates to the field of protective films, in particular to a PVC bright line protective film convenient to use, and a preparation method and application thereof. The PVC protective film has excellent waterproof and anti-skid properties, is not easy to have the defects of adhesive residue, ghost and the like when being pasted on a plate for use, is easy to tear when being used and is convenient to use when being embossed.)

1. The PVC bright line protective film convenient to use is characterized by comprising a PVC film layer and a solvent type rubber pressure-sensitive adhesive layer.

2. The PVC bright-line protection film convenient to use as claimed in claim 1, wherein the PVC film layer is embossed.

3. The PVC bright-line protection film convenient to use as claimed in claim 1, wherein the solvent-based rubber pressure-sensitive adhesive layer is prepared from 20-50 parts by weight of rubber, 5-10 parts by weight of tackifying resin and 10-20 parts by weight of solvent.

4. The PVC bright-line protection film convenient to use as claimed in claim 3, wherein the rubber is at least one selected from natural rubber, styrene-butadiene rubber, silicon rubber, ethylene propylene rubber, acrylate rubber, chlorosulfonated polyethylene rubber, butyl rubber, chloroprene rubber and isoprene rubber.

5. The PVC bright-line protection film convenient to use as claimed in claim 3, wherein the solvent-based rubber pressure-sensitive adhesive layer is prepared from 0.5-2 parts by weight of plasticizer, 2-5 parts by weight of compatilizer and 0.5-2 parts by weight of assistant.

6. The PVC bright line protective film convenient to use according to claim 5, wherein the auxiliary agent comprises at least one of antioxidant 1010, antioxidant 168, antioxidant DLTP, antioxidant 1790, antioxidant 264, antioxidant bht, antioxidant L57, antioxidant 264, antioxidant 7501, antioxidant B215 and antioxidant 2264.

7. The PVC bright-line protection film convenient to use according to claim 5, wherein the compatilizer is at least one selected from chlorinated polyethylene, maleic anhydride grafted ABS, polyethylene grafted glycidyl methacrylate, polypropylene grafted maleic anhydride and ethylene maleic anhydride grafted copolymer.

8. The PVC bright-line protection film convenient to use as claimed in claim 5, wherein the mass ratio of the rubber to the compatilizer is (8-13): 1.

9. the preparation method of the PVC protective film according to any one of claims 1 to 8, wherein (1) raw materials for preparing the solvent-based rubber pressure-sensitive adhesive layer are placed in a reaction kettle for closed reaction; (2) coating the preparation raw material of the solvent type rubber pressure-sensitive adhesive layer on a PVC film layer, drying and rolling to obtain the product.

10. Use of the PVC protective film according to any one of claims 1 to 9 in the field of processing of shoe materials and sound box boards.

Technical Field

The invention relates to the field of protective films, in particular to a PVC bright line protective film convenient to use and a preparation method and application thereof.

Background

The PVC protective film is widely applied to the field of material processing, is popular with manufacturers due to convenient use and low manufacturing cost, and has the phenomenon that the problems in the specific field cannot be solved due to the fact that the PVC protective film is not divided into the used objects in the market. For example, in the field of shoe material processing and sound box board processing, the PVC protective film in the prior art is difficult to break due to ghost attached and residual glue peeled off during use, and thus it is necessary to develop a PVC protective film which is particularly suitable for the field of shoe material processing and sound box board processing.

Disclosure of Invention

The invention provides a PVC bright line protective film which is convenient to use, and the protective film comprises a PVC film layer and a solvent type rubber pressure sensitive adhesive layer.

As a preferred embodiment, the PVC film layer is embossed.

In a preferred embodiment, the solvent-based rubber pressure-sensitive adhesive layer is prepared from 20-50 parts by weight of rubber, 5-10 parts by weight of tackifying resin and 10-20 parts by weight of solvent.

As a preferred embodiment, the rubber is at least one selected from the group consisting of natural rubber, styrene-butadiene rubber, silicone rubber, ethylene-propylene rubber, acrylate rubber, chlorosulfonated polyethylene rubber, butyl rubber, chloroprene rubber, and isoprene rubber.

As a preferable embodiment, the preparation raw materials of the solvent type rubber pressure sensitive adhesive layer further comprise 0.5-2 parts of a plasticizer, 2-5 parts of a compatilizer and 0.5-2 parts of an auxiliary agent by weight.

As a preferred embodiment, the plasticizer is selected from at least one of DMP, DEP, DBP, DOP, BBP, DEHP, DOP, DINP.

In a preferred embodiment, the compatibilizer is at least one selected from the group consisting of chlorinated polyethylene, maleic anhydride grafted ABS, polyethylene grafted glycidyl methacrylate, polypropylene grafted maleic anhydride, and ethylene maleic anhydride grafted copolymer.

As a preferred embodiment, the mass ratio of the rubber to the compatilizer is (8-13): 1.

the invention provides a preparation method of a PVC bright line protective film with convenient use, which comprises the following steps of (1) placing raw materials for preparing a solvent type rubber pressure-sensitive adhesive layer in a reaction kettle for closed reaction; (2) coating the preparation raw material of the solvent type rubber pressure-sensitive adhesive layer on a PVC film layer, drying and rolling to obtain the product.

The invention provides an application of a PVC bright line protective film which is convenient to use in the field of processing of shoe materials and sound box boards.

Compared with the prior art, the invention has the following beneficial effects: the PVC protective film has excellent waterproof and anti-skid properties, is not easy to have the defects of adhesive residue, ghost and the like when being pasted on a plate for use, is easy to tear when being used and is convenient to use when being embossed.

Detailed Description

In order to solve the technical problems, the invention provides a PVC bright line protective film which is convenient to use and comprises a PVC film layer and a solvent type rubber pressure sensitive adhesive layer.

As a preferred embodiment, the PVC film layer is embossed.

Preferably, the embossings are cross-hatching.

In a preferred embodiment, the solvent-based rubber pressure-sensitive adhesive layer is prepared from 20-50 parts by weight of rubber, 5-10 parts by weight of tackifying resin and 10-20 parts by weight of solvent.

Preferably, the rubber is at least one selected from natural rubber, styrene-butadiene rubber, silicone rubber, ethylene propylene rubber, acrylate rubber, chlorosulfonated polyethylene rubber, butyl rubber, chloroprene rubber and isoprene rubber.

Preferably, the rubber is selected from natural rubber and styrene butadiene rubber.

Preferably, the mass ratio of the natural rubber to the styrene butadiene rubber is (1-3): (3-5).

Preferably, the viscosity (25 ℃) of the styrene-butadiene rubber is 180-260 Pa.s.

Preferably, the bound acrylonitrile content of the styrene-butadiene rubber is 30-35%.

In a preferred embodiment, the tackifying resin comprises at least one of petroleum resin, hydrogenated petroleum resin, rosin resin, and terpene resin.

Preferably, the tackifying resin is a terpene resin.

As a preferred embodiment, the solvent is at least one selected from the group consisting of ethyl acetate, toluene, tetrahydrofuran, acetone, diethyl ether, and dichloromethane.

Preferably, the solvent is selected from toluene.

As a preferable embodiment, the preparation raw materials of the solvent type rubber pressure sensitive adhesive layer further comprise 0.5-2 parts of a plasticizer, 2-5 parts of a compatilizer and 0.5-2 parts of an auxiliary agent by weight.

As a preferred embodiment, the plasticizer is selected from at least one of DMP, DEP, DBP, DOP, BBP, DEHP, DOP, DINP.

Preferably, the plasticizer is DMP, DEP, DBP.

Preferably, the mass ratio of DMP, DEP and DBP is (2-3): (1-3): 1.

in a preferred embodiment, the compatibilizer is at least one selected from the group consisting of chlorinated polyethylene, maleic anhydride grafted ABS, polyethylene grafted glycidyl methacrylate, polypropylene grafted maleic anhydride, and ethylene maleic anhydride grafted copolymer.

Preferably, the compatibilizer is selected from maleic anhydride grafted ABS.

Preferably, the tensile strength of the maleic anhydride grafted ABS is 65-85 MPa.

As a preferred embodiment, the auxiliary agent comprises at least one of antioxidant 1010, antioxidant 168, antioxidant DLTP, antioxidant 1790, antioxidant 264, antioxidant bht, antioxidant L57, antioxidant 264, antioxidant 7501, antioxidant B215, antioxidant 2264.

Preferably, the auxiliary agent is an antioxidant 1010.

As a preferred embodiment, the mass ratio of the plasticizer to the auxiliary agent is (1-2): 1.

as a preferred embodiment, the mass ratio of the rubber to the compatilizer is (8-13): 1.

the invention provides a preparation method of a PVC bright line protective film with convenient use, which comprises the following steps of (1) placing raw materials for preparing a solvent type rubber pressure-sensitive adhesive layer in a reaction kettle for closed reaction; (2) coating the preparation raw material of the solvent type rubber pressure-sensitive adhesive layer on a PVC film layer, drying and rolling to obtain the product.

The invention provides an application of a PVC bright line protective film which is convenient to use in the field of processing of shoe materials and sound box boards.

The present invention will be specifically described below by way of examples. It should be noted that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention, and that the insubstantial modifications and adaptations of the present invention by those skilled in the art based on the above disclosure are still within the scope of the present invention.

PVC film was purchased from Hongyang packaging Material Co., Ltd, Dongguan city

Styrene butadiene rubber, model L33, from New Material science and technology Limited

Maleic anhydride grafted ABS was purchased from Shanghao Plastic materials Co., Ltd, Dongguan

DMP, DEP, DBP, DOP, DINP were purchased from Shanghai Engting industries, Ltd for 2 years

In addition, the starting materials used are all commercially available, unless otherwise specified.

Example 1

The first aspect of the embodiment provides a convenient-to-use PVC bright-line protection film, which comprises a PVC film layer and a solvent type rubber pressure-sensitive adhesive layer.

The PVC film is laminated with transverse striations.

The solvent type rubber pressure-sensitive adhesive layer is prepared from the raw materials of, by weight, 30 parts of rubber, 7 parts of terpene resin, 17 parts of toluene, 1.5 parts of a plasticizer, 3 parts of maleic anhydride grafted ABS (tensile strength of 75MPa) and 10101.2 parts of an antioxidant.

The rubber is natural rubber, styrene butadiene rubber (the viscosity (25 ℃) is 220Pa.s, the content of bound acrylonitrile is 33%) and the mass ratio is 3: 4, compounding.

The plasticizer is DMP, DEP and DBP, and the mass ratio of DMP to DEP to DBP is 2.5: 2: 1, compounding.

The second aspect of the present invention provides a preparation method of a PVC bright line protective film, which is convenient to use, (1) raw materials for preparing a solvent type rubber pressure sensitive adhesive layer are placed in a reaction kettle for a closed reaction; (2) coating the preparation raw material of the solvent type rubber pressure-sensitive adhesive layer on a PVC film layer, drying and rolling to obtain the product.

The third aspect of the embodiment provides an application of the PVC bright line protective film which is convenient to use in the field of shoe material processing.

Comparative example 1

The first aspect of the present comparative example provides a PVC bright-grained protection film which is convenient to use, and the specific implementation manner is the same as that of example 1, except that the rubber is natural rubber, styrene-butadiene rubber (viscosity (25 ℃) is 220pa.s, and bound acrylonitrile content is 33%) and the mass ratio is 5: 1, compounding.

A second aspect of this embodiment provides a method for preparing a PVC bright-line protection film, which is convenient to use, and the specific implementation manner is the same as that of embodiment 1.

The third aspect of the embodiment provides an application of the PVC bright line protective film which is convenient to use in the field of shoe material processing.

Comparative example 2

The first aspect of the comparative example provides a PVC bright grain protective film which is convenient to use, and the specific implementation manner is the same as that of example 1, except that the plasticizer is DOP, DINP, DBP in a mass ratio of 2.5: 2: 1, compounding.

A second aspect of this embodiment provides a method for preparing a PVC bright-line protection film, which is convenient to use, and the specific implementation manner is the same as that of embodiment 1.

The third aspect of the embodiment provides an application of the PVC bright line protective film which is convenient to use in the field of shoe material processing.

Comparative example 3

The first aspect of the comparative example provides a PVC bright line protective film which is convenient to use, and the specific implementation mode is the same as that of example 1, except that the raw materials for preparing the solvent-type rubber pressure-sensitive adhesive layer comprise 30 parts by weight of rubber, 7 parts by weight of terpene resin, 17 parts by weight of toluene, 1.5 parts by weight of plasticizer, 3 parts by weight of maleic anhydride grafted ABS (tensile strength of 75MPa) and 10103 parts by weight of antioxidant.

A second aspect of this embodiment provides a method for preparing a PVC bright-line protection film, which is convenient to use, and the specific implementation manner is the same as that of embodiment 1.

The third aspect of the embodiment provides an application of the PVC bright line protective film which is convenient to use in the field of shoe material processing.

Comparative example 4

The first aspect of the comparative example provides a PVC bright line protective film which is convenient to use, and the specific implementation mode is the same as that of example 1, except that the raw materials for preparing the solvent-type rubber pressure-sensitive adhesive layer comprise 30 parts by weight of rubber, 7 parts by weight of terpene resin, 17 parts by weight of toluene, 1.5 parts by weight of plasticizer, 6 parts by weight of maleic anhydride grafted ABS (tensile strength of 75MPa) and 10101.2 parts by weight of antioxidant.

A second aspect of this embodiment provides a method for preparing a PVC bright-line protection film, which is convenient to use, and the specific implementation manner is the same as that of embodiment 1.

The third aspect of the embodiment provides an application of the PVC bright line protective film which is convenient to use in the field of shoe material processing.

Control group

The specific implementation mode of the PVC bright-line protection film which is convenient to use is the same as that of the PVC bright-line protection film in example 1, except that the PVC film layer is not embossed.

Performance testing

The protective films of examples and comparative examples were applied to the surface of a sound box board, and the following tests were performed.

And (3) ghost testing: the sound box plate is placed in the sunlight, and whether ghost exists or not is observed.

Tear test: the protective films of the examples and the control were transversely pulled with the same force, and the condition of the tear was observed.

The test method of the stripping residual glue comprises the following steps: and (3) stripping 100 parts of the sound box board at the ambient temperature of 60 ℃, observing whether the sound box board has residual glue, wherein the sound box board has excellent residual glue, and the sound box board has the residual glue number between 1 and 10, namely good residual glue, and is different from the residual glue number of more than 10.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may modify or change the technical content of the above disclosure into equivalent embodiments with equivalent changes, but all those simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the present invention.