CN107011638A - A kind of hard tear-proof diaphragm - Google Patents
A kind of hard tear-proof diaphragm Download PDFInfo
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- CN107011638A CN107011638A CN201710343817.2A CN201710343817A CN107011638A CN 107011638 A CN107011638 A CN 107011638A CN 201710343817 A CN201710343817 A CN 201710343817A CN 107011638 A CN107011638 A CN 107011638A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
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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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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Abstract
The present invention relates to a kind of hard tear-proof diaphragm, it is comprised the following steps：1）Amide aqueous solution is made；2）Silanol dispersion liquid is made；3）Amide aqueous solution, the mixing of silanol dispersion liquid are taken, ultrasound adds zinc dibutyl dithiocarbamate, stirs, obtain silane amides dispersion liquid；4）Prodan, oleic acid mixing are taken, deionized water is added, insulated and stirred is mixed with silane amides dispersion liquid, sends into reactor, 2.4 dichlorobenzoperoxides, barium stearate is added, insulated and stirred, discharging cooling must be esterified acid amides dispersion liquid；5）Polyethylene terephthalate is taken, is mixed with zinc stearate, is added in esterification acid amides dispersion liquid, ultrasound is dehydrated, melting, is batched through calendering formation, cooling, sided corona treatment, excision slitter edge.The mechanical properties such as toughness, the tearing toughness of finished films of the present invention are good, and without poisonous and hazardous volatile materials, Safety and Environmental Protection is good, and light penetration is high, and combination property is superior.
Description
Technical field
The invention belongs to Protective coatings technical field, and in particular to a kind of hard tear-proof diaphragm.
Background technology
PET protection film is the common daily necessities of present people, and PET protection film has transparent good, resistance moist good, heat-resisting
The advantages of property is excellent, easy to use, cheap is widely used in all trades and professions, but PET protection film master in the market
Severe contamination is brought to environment based on polypropylene diaphragm, also be referred to as " white pollution ", Er Qieben with its refractory organics
Body can discharge pernicious gas, and what is given people healthy brings threat.
The screen of electronic apparatus class product is during carrying or production and application, and its surface is highly prone to contact staining
Or polishing scratch scuffing is produced, diaphragm need to be used to carry out covering to its surface and make it from getting dirty or be damaged.While in order to protect
Demonstrate,prove product after diaphragm is pasted to itself using not impacting, therefore to diaphragm through performance in itself, wear-resisting scratch resistance
Performance and cleanliness factor have certain requirement.
Traditional PET protection film does not have the characteristics such as wear-resisting, scratch resistance, tear-proof, and surface is easily caused in use
It is impaired, so that influence is produced on visual effect, or even the normal of influence Paste articles is used, for the diaphragm for screen especially
Higher is required to wearability, it is therefore desirable to a kind of diaphragm for being difficult to be scratched, while Paste articles are protected, do not interfere with patch
Cover the attractive in appearance of thing and normally use；Meanwhile, the inorganic filler added to improve the intensity of PET protection film the often group of causing
It is poly-, the stability_intensity of finished films is influenceed, the quality of finished film is reduced.
The content of the invention
It is an object of the invention to the agglomeration of modified inorganic filler in the film, improve finished films stability and
There is provided a kind of hard tear-proof diaphragm for mechanical property.
To achieve the above object, the present invention uses following technical scheme：
A kind of hard tear-proof diaphragm, its by the following method step be made：
（1）Inorganic soil raw material is taken, is calcined 1-2 hours at 700-760 DEG C, fine powder is worn into after cooling, is mixed with stearic acid,
In 50-60 DEG C of insulated and stirred 20-30 minutes, the deionized water for being added to 13-15 times of compound, stir, add ethylene double
Stearmide, it is ultrasonic 2-4 minutes, obtain amide aqueous solution；
（2）Pentaerythrite is taken, insulated and stirred 3-5 minutes at 70-80 DEG C, 2-mercaptobenzimidazole is added, continues insulated and stirred
4-10 minutes, mix, stir with hexamethyl cyclotrisiloxane, obtain silanol dispersion liquid；
（3）Above-mentioned amide aqueous solution, the mixing of silanol dispersion liquid are taken, it is ultrasonic 10-20 minutes, add dibutyl dithio amino first
Sour zinc, stirs, and obtains silane amides dispersion liquid；
（4）Take in prodan, oleic acid mixing, the deionized water for being added to 3-5 times of compound weight, be incubated at 60-70 DEG C
Stirring 10-20 minutes, mixes with above-mentioned silane amides dispersion liquid, is sent in reactor, adds 2.4- dichloro benzoyl peroxide first
Acyl, barium stearate, regulation temperature of reaction kettle are 100-110 DEG C, insulated and stirred 1-2 hours, discharging cooling, must be esterified acid amides and disperse
Liquid；
（5）Polyethylene terephthalate is taken, is mixed with zinc stearate, is added in above-mentioned esterification acid amides dispersion liquid, ultrasound
3-4 minutes, dehydration was melted at 120-150 DEG C, is batched, is produced described through calendering formation, cooling, sided corona treatment, excision slitter edge
Hard tear-proof diaphragm.
Preferably, each raw material in methods described step, is counted by weight, polyethylene terephthalate 130-
150th, zinc dibutyl dithiocarbamate 1-2,2-mercaptobenzimidazole 0.7-1, stearic acid 2-3, prodan 5-7,2.4-
Dichlorobenzoperoxide 0.4-1, ethylene bis stearamide 1-2, pentaerythrite 3-4, hexamethyl cyclotrisiloxane 2-3, oleic acid
3-4, zinc stearate 1-3, inorganic soil raw material 13-20, barium stearate 2-3.
Preferably, described inorganic soil raw material is one kind in kaolin, bentonite, diatomite.
Advantages of the present invention：
The present invention is first disperseed inorganic soil raw material by stearic amide solution, obtains amide aqueous solution；Then with pregnancy
The alcoholic solution mixing of basic ring trisiloxanes, obtains silane amides dispersion liquid, is then mixed with oil acidification prodan, in 2.4- bis-
Chlorobenzoyl peroxide effect is lower to be esterified, and must be esterified acid amides dispersion liquid, then be mixed with polyethylene terephthalate matrix,
Melting extrusion, calendering formation obtains diaphragm.
The present invention by organic modification, effectively raises inorganic soil raw material between inorganic filler and polymeric matrix
Compatibility, improves the stability_intensity of finished films, while the inorganic filler can also improve the toughness, anti-tear of finished films
The mechanical properties such as resistance to spalling, and the film of the present invention is free of poisonous and hazardous volatile materials, Safety and Environmental Protection is good, and light is passed through
Rate is high, and combination property is superior.
Embodiment
The present invention is further described through with reference to embodiment.
Embodiment 1
（1）20 parts of diatomite is taken, is calcined 2 hours at 760 DEG C, fine powder is worn into after cooling, 3 parts mix with stearic acid, at 60 DEG C
In insulated and stirred 30 minutes, the deionized water for being added to 15 times of compound, stir, add 2 parts of ethylene bis stearamide, surpass
Sound 4 minutes, obtains amide aqueous solution；
（2）4 parts of pentaerythrite is taken, insulated and stirred 5 minutes at 80 DEG C add 1 part of 2-mercaptobenzimidazole, continue insulated and stirred
10 minutes, 3 parts mixed with hexamethyl cyclotrisiloxane, stir, and obtain silanol dispersion liquid；
（3）Above-mentioned amide aqueous solution, the mixing of silanol dispersion liquid are taken, ultrasound 20 minutes adds dibutyl dithiocaarbamate
2 parts of zinc, stirs, and obtains silane amides dispersion liquid；
（4）Take in 7 parts of prodan, 3 parts of mixing of oleic acid, the deionized water for being added to 5 times of compound weight, be incubated at 70 DEG C
Stirring 20 minutes, mixes with above-mentioned silane amides dispersion liquid, is sent in reactor, adds 2.4- dichlorobenzoperoxides 1
Part, 3 parts of barium stearate, regulation temperature of reaction kettle are 110 DEG C, insulated and stirred 2 hours, discharging cooling, must be esterified acid amides dispersion liquid；
（5）150 parts of polyethylene terephthalate is taken, 3 parts mix with zinc stearate, be added to above-mentioned esterification acid amides dispersion liquid
In, ultrasound 4 minutes, dehydration is melted at 150 DEG C, is batched through calendering formation, cooling, sided corona treatment, excision slitter edge, is produced institute
State hard tear-proof diaphragm.
Embodiment 2
（1）13 parts of kaolin is taken, is calcined 1 hour at 700 DEG C, fine powder is worn into after cooling, 2 parts mix with stearic acid, at 50 DEG C
In insulated and stirred 20 minutes, the deionized water for being added to 13 times of compound, stir, add 1 part of ethylene bis stearamide, surpass
Sound 2 minutes, obtains amide aqueous solution；
（2）3 parts of pentaerythrite is taken, insulated and stirred 3 minutes at 70-80 DEG C add 0.7 part of 2-mercaptobenzimidazole, continue to protect
Temperature stirring 4 minutes, 2 parts mix with hexamethyl cyclotrisiloxane, stir, and obtain silanol dispersion liquid；
（3）Above-mentioned amide aqueous solution, the mixing of silanol dispersion liquid are taken, ultrasound 10 minutes adds dibutyl dithiocaarbamate
1 part of zinc, stirs, and obtains silane amides dispersion liquid；
（4）Take in 5 parts of prodan, 3 parts of mixing of oleic acid, the deionized water for being added to 3 times of compound weight, be incubated at 60 DEG C
Stirring 10 minutes, mixes with above-mentioned silane amides dispersion liquid, is sent in reactor, adds 2.4- dichlorobenzoperoxides
0.4 part, 2 parts of barium stearate, regulation temperature of reaction kettle are 100 DEG C, insulated and stirred 1 hour, discharging cooling, must be esterified acid amides and disperse
Liquid；
（5）130 parts of polyethylene terephthalate is taken, 1 part mixes with zinc stearate, be added to above-mentioned esterification acid amides dispersion liquid
In, ultrasound 3 minutes, dehydration is melted at 120 DEG C, is batched through calendering formation, cooling, sided corona treatment, excision slitter edge, is produced institute
State hard tear-proof diaphragm.
Performance test：
The diaphragm of the present invention：Turbidity 1-2%, tearing strength 11850-12310mN, total light transmittance 95-97%；
Traditional pet diaphragms：Turbidity 3-5%, tearing strength 10370-10764mN, total light transmittance 91-92%.
As can be seen that the diaphragm turbidity of the present invention is low, tearing toughness is high, and translucency is good, and combination property is superior.
Claims (3)
1. a kind of hard tear-proof diaphragm, it is characterised in that：Its by the following method step be made：
（1）Inorganic soil raw material is taken, is calcined 1-2 hours at 700-760 DEG C, fine powder is worn into after cooling, is mixed with stearic acid,
In 50-60 DEG C of insulated and stirred 20-30 minutes, the deionized water for being added to 13-15 times of compound, stir, add ethylene double
Stearmide, it is ultrasonic 2-4 minutes, obtain amide aqueous solution；
（2）Pentaerythrite is taken, insulated and stirred 3-5 minutes at 70-80 DEG C, 2-mercaptobenzimidazole is added, continues insulated and stirred
4-10 minutes, mix, stir with hexamethyl cyclotrisiloxane, obtain silanol dispersion liquid；
（3）Above-mentioned amide aqueous solution, the mixing of silanol dispersion liquid are taken, it is ultrasonic 10-20 minutes, add dibutyl dithio amino first
Sour zinc, stirs, and obtains silane amides dispersion liquid；
（4）Take in prodan, oleic acid mixing, the deionized water for being added to 3-5 times of compound weight, be incubated at 60-70 DEG C
Stirring 10-20 minutes, mixes with above-mentioned silane amides dispersion liquid, is sent in reactor, adds 2.4- dichloro benzoyl peroxide first
Acyl, barium stearate, regulation temperature of reaction kettle are 100-110 DEG C, insulated and stirred 1-2 hours, discharging cooling, must be esterified acid amides and disperse
Liquid；
（5）Polyethylene terephthalate is taken, is mixed with zinc stearate, is added in above-mentioned esterification acid amides dispersion liquid, ultrasound
3-4 minutes, dehydration was melted at 120-150 DEG C, is batched, is produced described through calendering formation, cooling, sided corona treatment, excision slitter edge
Hard tear-proof diaphragm.
2. hard tear-proof diaphragm according to claim 1, it is characterised in that：Each raw material in methods described step,
Count by weight, polyethylene terephthalate 130-150, zinc dibutyl dithiocarbamate 1-2,2- sulfydryl benzo
Imidazoles 0.7-1, stearic acid 2-3, prodan 5-7,2.4- dichlorobenzoperoxide 0.4-1, ethylene bis stearamide 1-2,
Pentaerythrite 3-4, hexamethyl cyclotrisiloxane 2-3, oleic acid 3-4, zinc stearate 1-3, inorganic soil raw material 13-20, barium stearate
2-3。
3. hard tear-proof diaphragm according to claim 1 or 2, it is characterised in that：Described inorganic soil raw material is selected from
One kind in kaolin, bentonite, diatomite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710343817.2A CN107011638A (en) | 2017-05-16 | 2017-05-16 | A kind of hard tear-proof diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710343817.2A CN107011638A (en) | 2017-05-16 | 2017-05-16 | A kind of hard tear-proof diaphragm |
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| Publication Number | Publication Date |
|---|---|
| CN107011638A true CN107011638A (en) | 2017-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710343817.2A Pending CN107011638A (en) | 2017-05-16 | 2017-05-16 | A kind of hard tear-proof diaphragm |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038155A (en) * | 2015-08-26 | 2015-11-11 | 界首市天鸿新材料股份有限公司 | Composite enhanced PET (polyethylene terephthalate) material |
| CN105838043A (en) * | 2016-04-14 | 2016-08-10 | 滁州优胜高分子材料有限公司 | Attapulgite-modified pbt material and preparation method thereof |
| CN106009556A (en) * | 2016-08-10 | 2016-10-12 | 安徽省宁国天成电工有限公司 | Polyethylene glycol terephthalate plastic film used for heating cable |
| CN106317574A (en) * | 2016-08-28 | 2017-01-11 | 葛彬斌 | Silane modified polyethylene material and preparation method thereof |
| CN106366412A (en) * | 2016-08-31 | 2017-02-01 | 葛彬斌 | Hard oxidation-resistant polyethylene pipe material and preparation method thereof |
-
2017
- 2017-05-16 CN CN201710343817.2A patent/CN107011638A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038155A (en) * | 2015-08-26 | 2015-11-11 | 界首市天鸿新材料股份有限公司 | Composite enhanced PET (polyethylene terephthalate) material |
| CN105838043A (en) * | 2016-04-14 | 2016-08-10 | 滁州优胜高分子材料有限公司 | Attapulgite-modified pbt material and preparation method thereof |
| CN106009556A (en) * | 2016-08-10 | 2016-10-12 | 安徽省宁国天成电工有限公司 | Polyethylene glycol terephthalate plastic film used for heating cable |
| CN106317574A (en) * | 2016-08-28 | 2017-01-11 | 葛彬斌 | Silane modified polyethylene material and preparation method thereof |
| CN106366412A (en) * | 2016-08-31 | 2017-02-01 | 葛彬斌 | Hard oxidation-resistant polyethylene pipe material and preparation method thereof |
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Application publication date: 20170804 |