CN111548554A - Adhesive tape film material composition, application thereof and adhesive tape film material - Google Patents
Adhesive tape film material composition, application thereof and adhesive tape film material Download PDFInfo
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- CN111548554A CN111548554A CN202010345659.6A CN202010345659A CN111548554A CN 111548554 A CN111548554 A CN 111548554A CN 202010345659 A CN202010345659 A CN 202010345659A CN 111548554 A CN111548554 A CN 111548554A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
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- C08K5/16—Nitrogen-containing compounds
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- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
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Abstract
The invention relates to the field of polypropylene preparation, and discloses an adhesive tape film material composition, application thereof and an adhesive tape film material prepared from the adhesive tape film material composition. The adhesive tape film material composition contains polypropylene powder, an antioxidant and an acid scavenger, wherein the antioxidant is a combination of tris [2, 4-di-tert-butylphenyl ] phosphite and 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid or a combination of 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid and bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite. The adhesive tape film material prepared from the adhesive tape film material composition can prevent the end face of a film roll from reddening and yellowing, and the prepared adhesive tape film has uniform color and excellent quality.
Description
Technical Field
The invention relates to the field of polypropylene preparation, in particular to an adhesive tape film material composition, application thereof and an adhesive tape film material prepared from the adhesive tape film material composition.
Background
With the development of economy and the acceleration of consumption upgrading, the requirements of various industries on the quality and quantity of plastic films are greatly improved, and particularly the requirements on high-quality plastic film packaging materials are particularly outstanding. Polypropylene resin, as an environment-friendly material, has excellent physical properties and good moldability, and thus has been used in an expanding range of applications in recent years, particularly in the field of packaging, and plays an irreplaceable important role.
Biaxially oriented polypropylene film, BOPP film for short, is a very important flexible packaging material, is colorless, odorless, tasteless and nontoxic, has the advantages of high tensile strength, impact strength, rigidity, toughness, good transparency and the like, is mainly applied to the fields of printing, compounding, bag making, coating and the like at present, wherein in the consumption of BOPP film, the adhesive tape film for producing the box sealing adhesive tape occupies a certain proportion. The BOPP adhesive tape film is prepared by coating a BOPP film as a base material with pressure-sensitive adhesive such as acrylic, and has excellent characteristics of strong tensile strength, light weight, low cost and the like, so the BOPP adhesive tape film is widely applied to various packaging, bonding, fixing and other purposes, and particularly becomes a mainstream of packaging and box sealing materials on the sealing and sticking of a carton.
At present, the competition in the field of the BOPP film is intensified day by day, but the chemical enterprises for producing the BOPP special resin in the market at present are few, and the BOPP special resin has the problems of high price, untimely supply and the like for downstream production enterprises, so that the market generally replaces the BOPP special resin with the drawing material (S1003) with low price and stable supply as the core layer material of the BOPP adhesive tape film to prepare the BOPP film. BOPP film manufacturers generally only add an anti-sticking agent in the preparation of adhesive tape films, and basically cannot change the color of film rolls, so that various problems occur in the process of producing the adhesive tape films by using drawn materials at the film material level, for example, the BOPP film rolls produced by using polypropylene drawn materials in the market generally have the problems of red, yellow and uneven end surfaces of the film rolls, multiple colors on the same film roll and the like, so that the color of final products is inconsistent, and the appearance and the quality of the products are influenced.
Disclosure of Invention
The invention aims to solve the problems of red, yellow and uneven color of a film roll in the BOPP film roll produced by using a wire drawing material in the prior art, and provides a tape film material composition suitable for a BOPP film, application of the tape film material composition in preparing a tape film material and the tape film material prepared by the tape film material composition. The adhesive tape film material composition provided by the invention has good protection efficiency of an oxidation system, and can prevent the end face of a film roll from being red, yellow and the like, so that the prepared adhesive tape film has uniform color and excellent quality.
In order to achieve the above object, the first aspect of the present invention provides a tape film composition comprising polypropylene powder, an antioxidant and an acid scavenger, wherein the antioxidant is a combination of tris [2, 4-di-tert-butylphenyl ] phosphite and 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanurate or a combination of 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanurate and bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite.
Preferably, the acid scavenger is calcium stearate and/or hydrotalcite.
Preferably, the adhesive tape film material composition contains polypropylene powder, an antioxidant and an acid scavenger, wherein the antioxidant is a combination of tris [2, 4-di-tert-butylphenyl ] phosphite and 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid, and the acid scavenger is calcium stearate.
Preferably, the adhesive tape film material composition contains polypropylene powder, an antioxidant and an acid scavenger, wherein the antioxidant is a combination of 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid and bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite, and the acid scavenger is hydrotalcite.
Preferably, the content of the antioxidant is 0.01-0.1 part by weight and the content of the acid scavenger is 0.02-0.06 part by weight relative to 100 parts by weight of the polypropylene powder; more preferably, the content of the antioxidant is 0.02-0.08 weight part and the content of the acid scavenger is 0.02-0.04 weight part relative to 100 weight parts of the polypropylene powder.
Preferably, the content of tris [2, 4-di-tert-butylphenyl ] phosphite is 0.03 to 0.1 part by weight, the content of 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid is 0.02 to 0.1 part by weight, and the content of calcium stearate is 0.02 to 0.06 part by weight, relative to 100 parts by weight of polypropylene powder; more preferably, the content of tris [2, 4-di-tert-butylphenyl ] phosphite is 0.05 to 0.08 part by weight, the content of 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid is 0.04 to 0.08 part by weight, and the content of calcium stearate is 0.02 to 0.04 part by weight, based on 100 parts by weight of polypropylene powder.
Preferably, the adhesive tape film material composition also contains a composite light stabilizer, and the content of the composite light stabilizer is 0.001-0.008 parts by weight relative to 100 parts by weight of polypropylene powder; more preferably, the content of the composite light stabilizer is 0.002-0.005 parts by weight relative to 100 parts by weight of the polypropylene powder.
Preferably, the content of the 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid is 0.02 to 0.1 part by weight, the content of the bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite is 0.01 to 0.08 part by weight, and the content of the hydrotalcite is 0.02 to 0.06 part by weight, relative to 100 parts by weight of the polypropylene powder; more preferably, the 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid is contained in an amount of 0.04-0.08 part by weight, the bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite is contained in an amount of 0.02-0.06 part by weight, and the hydrotalcite is contained in an amount of 0.02-0.04 part by weight, based on 100 parts by weight of the polypropylene powder.
The second aspect of the invention provides an adhesive tape film material, which is obtained by melt extrusion of the adhesive tape film material composition.
In a third aspect, the invention provides the use of the adhesive tape film composition of the invention in the preparation of an adhesive tape film.
Through the technical scheme, when the adhesive tape film material composition is used for preparing the adhesive tape film material, the problems of red and yellow end faces of a film roll and the like can be prevented, compared with a BOPP special film material, the production cost is saved, the requirements of manufacturers for producing adhesive tape films by using wire drawing materials can be fully met, and the prepared adhesive tape films are uniform in color and excellent in quality.
Detailed Description
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
According to the invention, in order to replace a special film material for BOPP and improve the defects of a polypropylene wire drawing material used for producing a BOPP adhesive tape film, the invention provides a tape film material composition in a first aspect, wherein the tape film material composition contains polypropylene powder, an antioxidant and an acid scavenger, and the antioxidant is a combination of tris [2, 4-di-tert-butylphenyl ] phosphite and 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid or a combination of 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid and bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite.
According to the present invention, the present invention uses an antioxidant in terms of preventing redness, yellowing, etc. of the end face of the roll film, and the inventors of the present invention have found through experiments that when the antioxidant is a combination of tris [2, 4-di-t-butylphenyl ] phosphite and 1,3, 5-tris (3, 5-di-t-butyl-4-hydroxybenzyl) isocyanurate or a combination of 1,3, 5-tris (3, 5-di-t-butyl-4-hydroxybenzyl) isocyanurate and bis (2, 4-di-t-butylphenol) pentaerythritol diphosphite, the resultant tape film has a better effect of preventing yellowing.
The present invention uses an acid scavenger in terms of removing halogen impurities remaining in the catalyst. The acid scavenger selected for use in the present invention may be any acid scavenger commonly used in the art, and preferably, the acid scavenger is calcium stearate and/or hydrotalcite.
Preferably, the content of the antioxidant is 0.01-0.1 part by weight and the content of the acid scavenger is 0.02-0.06 part by weight relative to 100 parts by weight of the polypropylene powder; more preferably, the content of the antioxidant is 0.02-0.08 weight part and the content of the acid scavenger is 0.02-0.04 weight part relative to 100 weight parts of the polypropylene powder.
In a particularly preferred embodiment of the invention, the tape film stock composition comprises polypropylene powder, an antioxidant and an acid scavenger, wherein the antioxidant is a combination of tris [2, 4-di-tert-butylphenyl ] phosphite and 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid, and the acid scavenger is calcium stearate.
Preferably, the content of the tris [2, 4-di-tert-butylphenyl ] phosphite is 0.03 to 0.1 part by weight, the content of the 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid is 0.02 to 0.1 part by weight, and the content of the calcium stearate is 0.02 to 0.06 part by weight, relative to 100 parts by weight of the polypropylene powder; more preferably, the content of the tris [2, 4-di-tert-butylphenyl ] phosphite is 0.05 to 0.08 part by weight, the content of the 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid is 0.04 to 0.08 part by weight, and the content of the calcium stearate is 0.02 to 0.04 part by weight, based on 100 parts by weight of the polypropylene powder.
In the above-mentioned particularly preferred embodiment, the tape film composition further contains a composite light stabilizer from the viewpoint of reducing the photoaging rate of the polypropylene product and improving the service life of the product, and preferably, the composite light stabilizer may be JC801, and the JC801 is contained in an amount of 0.001 to 0.008 parts by weight relative to 100 parts by weight of the polypropylene powder; more preferably, the JC801 content is 0.002 to 0.005 parts by weight, relative to 100 parts by weight of polypropylene powder.
In another particularly preferred embodiment of the invention, the tape and film material composition contains polypropylene powder, an antioxidant and an acid scavenger, wherein the antioxidant is a combination of 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid and bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite, and the acid scavenger is hydrotalcite.
Preferably, the content of the 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid is 0.02 to 0.1 part by weight, the content of the bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite is 0.01 to 0.08 part by weight, and the content of the hydrotalcite is 0.02 to 0.06 part by weight, relative to 100 parts by weight of the polypropylene powder; more preferably, the 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid is contained in an amount of 0.04-0.08 part by weight, the bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite is contained in an amount of 0.02-0.06 part by weight, and the hydrotalcite is contained in an amount of 0.02-0.04 part by weight, based on 100 parts by weight of the polypropylene powder.
According to the present invention, the polypropylene powder may be any of various polypropylene powders commonly used in the art for the preparation of BOPP films. Preferably, the melt flow rate of the polypropylene powder is 2.7-3.3g/10min, the isotactic index is more than or equal to 95.5%, and the ash content is less than or equal to 300 mg/kg.
According to the invention, preferably, the polypropylene powder can be prepared by the following method:
s1: propylene is subjected to polymerization reaction in a first reactor under the combined action of a main catalyst CDi catalyst, a cocatalyst triethylaluminum, an external electron donor diisobutyldimethoxysilane (DIBDMS) and hydrogen, the using amount of the propylene is 30-35t/h, the using amount of the catalyst is 4.5-5.0kg/h, the molar ratio of Al to Mg is controlled to be 4-6:1, the molar ratio of Al to Si is 4-12:1, the molar ratio of the hydrogen to the propylene is 0.3-0.6:100, the reaction temperature is 55-80 ℃, the reaction pressure is 2.1-2.5MPa, and the reaction material level is 70-75%;
s2: introducing the product obtained in the step S1, fresh propylene and hydrogen into a second reactor for continuous polymerization reaction, wherein the using amount of the propylene is 10-15t/h, the molar ratio of the hydrogen to the propylene is controlled to be 0.3-0.6:100, the reaction temperature is 55-80 ℃, the reaction pressure is 2.1-2.5MPa, and the reaction material level is 75-80%;
s3: and (3) carrying out catalyst deactivation and volatile component removal on the product obtained in the step S2 to obtain the required polypropylene powder.
The second aspect of the present invention provides an adhesive tape film material, which is obtained by melt-extruding the adhesive tape film material composition of the present invention, wherein the melt-extrusion can be performed by using various extrusion devices commonly used in the art, and the details are not repeated herein.
The third aspect of the invention also provides the application of the adhesive tape membrane material composition in preparing an adhesive tape membrane material.
The present invention will be described in detail below with reference to examples, but the present invention is not limited to the following examples. In the following examples, all reagents used are commercially available unless otherwise specified.
In the following examples, the melt flow rate of the polymer was measured according to "determination of melt Mass Flow Rate (MFR) and melt volume flow rate (MVR) of thermoplastic plastics according to the national Standard of the people's republic of China GB/T3682-2018(230 ℃, 2.16kg load)".
The isotactic index is measured according to the' national standard GB/T2412-.
The ash content is measured according to the national standard GB/T9345.1-2008 of the people's republic of China.
The yellow index is determined according to the yellow index test method of the plastic of the national standard GB 2409-1980 of the people's republic of China.
The polypropylene powders used in the following examples and comparative examples were prepared by the following procedure:
s1: carrying out polymerization reaction on propylene in a first reactor under the combined action of a main catalyst CDi catalyst (with the titanium content of 1.6-2.6 wt%, the magnesium content of 17.6-20.6 wt%, the chlorine content of 50-62 wt%, the ester content of 13-16 wt%, and the catalyst is purchased from BASF), a cocatalyst of triethylaluminum, an external electron donor of diisobutyldimethoxysilane (DIBDMS, the purity is more than or equal to 97.0 wt%, the methanol is less than or equal to 0.1 wt%, and the catalyst is purchased from Shandong Luo crystallization technology Limited), and hydrogen, wherein the using amount of the propylene is 35t/h, the using amount of the catalyst is 4.5kg/h, the molar ratio of Al to Mg is 4:1, the molar ratio of Al to Si is 4:1, the molar ratio of hydrogen to propylene is 0.3:100, the reaction temperature is 66 ℃, the reaction pressure is 2.1MPa, and the reaction material level is 75%;
s2: introducing the product obtained in the step S1, fresh propylene and hydrogen into a second reactor for continuing polymerization reaction, wherein the using amount of the propylene is 15t/h, the molar ratio of the hydrogen to the propylene is controlled to be 0.3:100, the reaction temperature is 66 ℃, the reaction pressure is 2.1MPa, and the reaction material level is 77%;
(3) the product obtained in S2 was subjected to catalyst deactivation and volatile component removal.
The obtained polypropylene powder has a melt flow rate of 3.08g/10min, an isotactic index of 97.5% and an ash content of 110 mg/kg.
Examples 1 to 5
Polypropylene powder, an antioxidant tris [2, 4-di-tert-butylphenyl ] phosphite, an antioxidant 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid, an acid scavenger calcium stearate, and a composite light stabilizer JC801 (meaningful chemical limited) were uniformly mixed in accordance with the composition shown in table 1, and then extrusion-granulated using a twin-screw extrusion granulator (manufactured by JSW of japan, model No. CMP387) to control the die plate temperature to 260 ℃, the extrusion cylinder temperatures of each stage to 220 ℃, 230 ℃, 250 ℃, and the cooling water temperature to 55 ℃, to prepare a tape film material and to measure the yellow index thereof, the result of the yellow index being shown in table 3.
Examples 6 to 10
After polypropylene powder, 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid, bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite and hydrotalcite were uniformly mixed in accordance with the composition shown in table 2, a twin-screw extrusion granulator (manufactured by JSW, japan, model number CMP387) was used to perform extrusion granulation, the temperature of the control plate was 260 ℃, the temperatures of the respective sections of the extrusion cylinder were 220 ℃, 230 ℃, 250 ℃, and the cooling water temperature was 55 ℃, and the adhesive tape film was obtained and measured for its yellow index, the result of which is shown in table 3.
Comparative example 1
The procedure was as in example 1, except that the antioxidant 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid was replaced with the same parts by weight of pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] ester, and the yellow index thereof was as shown in Table 4.
Comparative example 2
The procedure was as in example 6, except that the same parts by weight of pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] was used instead of bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite, and the yellow index was as shown in Table 4.
TABLE 1
| Examples | Polypropylene powder | Antioxidant 168 | Antioxidant 3114 | Calcium stearate | JC801 |
| Example 1 | 100 parts by weight | 0.05 part by weight | 0.06 part by weight | 0.02 parts by weight | 0.002 parts by weight of |
| Example 2 | 100 parts by weight | 0.07 part by weight | 0.04 parts by weight | 0.03 parts by weight | 0.005 part by weight |
| Example 3 | 100 parts by weight | 0.08 parts by weight | 0.08 parts by weight | 0.04 parts by weight | 0.003 parts by weight |
| Example 4 | 100 parts by weight | 0.1 part by weight | 0.02 parts by weight | 0.05 part by weight | 0.001 part by weight |
| Example 5 | 100 parts by weight | 0.04 parts by weight | 0.03 parts by weight | 0.05 part by weight | 0.006 parts by weight |
Note: antioxidant 168 is tris [2, 4-di-tert-butylphenyl ] phosphite, and antioxidant 3114 is 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid.
TABLE 2
| Examples | Polypropylene powder | Antioxidant 3114 | Antioxidant 626 | Hydrotalcite |
| Example 6 | 100 parts by weight | 0.04 parts by weight | 0.03 parts by weight | 0.03 parts by weight |
| Example 7 | 100 parts by weight | 0.06 part by weight | 0.06 part by weight | 0.02 parts by weight |
| Example 8 | 100 parts by weight | 0.08 parts by weight | 0.02 parts by weight | 0.04 parts by weight |
| Example 9 | 100 parts by weight | 0.1 part by weight | 0.01 part by weight | 0.05 part by weight |
| Example 10 | 100 parts by weight | 0.03 parts by weight | 0.08 parts by weight | 0.06 part by weight |
Note: antioxidant 3114 is 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid, and antioxidant 626 is bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite.
TABLE 3
| Examples | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Yellow index | -3.2 | -3.1 | -3.0 | -2.8 | -2.7 | -3.1 | -3.3 | -3.2 | -2.8 | -2.6 |
TABLE 4
| Comparative example | 1 | 2 |
| Yellow index | -2.4 | -2.3 |
Compared with the comparative example, the embodiment shows that when the adhesive tape film material composition is used for preparing the adhesive tape film material, the yellow index of the product can be obviously reduced, and the effect of preventing yellowing is achieved.
As can be seen from the comparison of examples 1-3 with examples 4-5, when the adhesive tape coating composition contains polypropylene powder, antioxidant tris [2, 4-di-tert-butylphenyl ] phosphite, antioxidant 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid and acid scavenger calcium stearate, and the content of the tris [2, 4-di-tert-butylphenyl ] phosphite is 0.05 to 0.08 part by weight per 100 parts by weight of the polypropylene powder, the content of the 1,3, 5-tri (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid is 0.04-0.08 weight part, when the using amount of the calcium stearate is 0.02-0.04 parts by weight, the yellow index of the obtained adhesive tape film material is lower, and the yellowing prevention effect is better.
As can be seen from the comparison between examples 6-8 and examples 9-10, when the adhesive tape film material composition contains polypropylene powder, antioxidant 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid, antioxidant bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite and acid scavenger hydrotalcite, and the content of the 1,3, 5-tri (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid is 0.04-0.08 weight part relative to 100 weight parts of polypropylene powder, the content of the bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite is 0.02 to 0.06 part by weight, when the content of the hydrotalcite is 0.02-0.04 parts by weight, the yellow index of the obtained adhesive tape film material is lower, and the yellowing prevention effect is better.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (10)
1. The adhesive tape film material composition is characterized by comprising polypropylene powder, an antioxidant and an acid scavenger, wherein the antioxidant is a combination of tris [2, 4-di-tert-butylphenyl ] phosphite and 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid or a combination of 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid and bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite.
2. The tape film composition of claim 1, wherein the acid scavenger is calcium stearate and/or hydrotalcite.
3. The tape film composition according to claim 1 or 2, wherein the tape film composition comprises polypropylene powder, an antioxidant and an acid scavenger, wherein the antioxidant is a combination of tris [2, 4-di-tert-butylphenyl ] phosphite and 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid, and the acid scavenger is calcium stearate.
4. The tape film composition of claim 1 or 2, wherein the tape film composition comprises polypropylene powder, an antioxidant and an acid scavenger, wherein the antioxidant is a combination of 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid and bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite, and the acid scavenger is hydrotalcite.
5. The tape film composition according to any one of claims 1 to 4, wherein the antioxidant is contained in an amount of 0.01 to 0.1 parts by weight and the acid scavenger is contained in an amount of 0.02 to 0.06 parts by weight, relative to 100 parts by weight of the polypropylene powder; preferably, the content of the antioxidant is 0.02-0.08 weight part and the content of the acid scavenger is 0.02-0.04 weight part relative to 100 weight parts of the polypropylene powder.
6. The adhesive tape film composition according to claim 3, wherein the tris [2, 4-di-tert-butylphenyl ] phosphite is contained in an amount of 0.03 to 0.1 part by weight, the 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid is contained in an amount of 0.02 to 0.1 part by weight, and the calcium stearate is contained in an amount of 0.02 to 0.06 part by weight, based on 100 parts by weight of the polypropylene powder; preferably, the content of the tris [2, 4-di-tert-butylphenyl ] phosphite is 0.05 to 0.08 part by weight, the content of the 1,3, 5-tris (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid is 0.04 to 0.08 part by weight, and the content of the calcium stearate is 0.02 to 0.04 part by weight, relative to 100 parts by weight of the polypropylene powder.
7. The tape film composition of claim 6, further comprising a composite light stabilizer in an amount of 0.001 to 0.008 parts by weight based on 100 parts by weight of the polypropylene powder, preferably 0.002 to 0.005 parts by weight based on 100 parts by weight of the polypropylene powder.
8. The adhesive tape film composition according to claim 4, wherein the amount of the polypropylene powder is, relative to 100 parts by weight of the polypropylene powder, the content of the 1,3, 5-tri (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid is 0.02-0.1 part by weight, the content of the bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite is 0.01 to 0.08 weight part, the content of the hydrotalcite is 0.02 to 0.06 parts by weight, preferably, relative to 100 parts by weight of the polypropylene powder, the content of the 1,3, 5-tri (3, 5-di-tert-butyl-4-hydroxybenzyl) isocyanuric acid is 0.04-0.08 weight part, the content of the bis (2, 4-di-tert-butylphenol) pentaerythritol diphosphite is 0.02 to 0.06 weight part, and the content of the hydrotalcite is 0.02 to 0.04 weight part.
9. A tape film characterized by being obtained by melt-extruding the tape film composition according to any one of claims 1 to 8.
10. Use of the adhesive tape film composition of any one of claims 1 to 8 for the preparation of an adhesive tape film.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112961439A (en) * | 2021-02-10 | 2021-06-15 | 中国神华煤制油化工有限公司 | Polypropylene resin composition, preparation method and application thereof |
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| CN104419015A (en) * | 2013-09-03 | 2015-03-18 | 中国科学院化学研究所 | Composition with capability of providing thermal stability for polymer and application of composition |
| CN108727683A (en) * | 2017-04-20 | 2018-11-02 | 中国石化扬子石油化工有限公司 | A kind of preparation method of polypropene composition |
| CN110183780A (en) * | 2019-06-14 | 2019-08-30 | 国家能源投资集团有限责任公司 | Polypropylene wiredrawing material, its PP Pipe Compound and BOPP film product |
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| CN1539870A (en) * | 2003-10-28 | 2004-10-27 | 宁波金海雅宝化工有限公司 | Combination of stabilizing agent in use for producing polyolefine resin |
| CN104419015A (en) * | 2013-09-03 | 2015-03-18 | 中国科学院化学研究所 | Composition with capability of providing thermal stability for polymer and application of composition |
| CN108727683A (en) * | 2017-04-20 | 2018-11-02 | 中国石化扬子石油化工有限公司 | A kind of preparation method of polypropene composition |
| CN110183780A (en) * | 2019-06-14 | 2019-08-30 | 国家能源投资集团有限责任公司 | Polypropylene wiredrawing material, its PP Pipe Compound and BOPP film product |
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