CN105585805A - PVB (polyvinyl butyral) membrane capable of reducing ultraviolet harm and production process thereof - Google Patents
PVB (polyvinyl butyral) membrane capable of reducing ultraviolet harm and production process thereof Download PDFInfo
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- CN105585805A CN105585805A CN201610099064.0A CN201610099064A CN105585805A CN 105585805 A CN105585805 A CN 105585805A CN 201610099064 A CN201610099064 A CN 201610099064A CN 105585805 A CN105585805 A CN 105585805A
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- pvb film
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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
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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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
-
- 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
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3472—Five-membered rings
- C08K5/3475—Five-membered rings condensed with carbocyclic rings
-
- 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
- C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a PVB (polyvinyl butyral) membrane capable of reducing ultraviolet harm and a production process thereof. The PVB membrane capable of reducing the ultraviolet harm comprises PVB and additives, wherein the additives comprise a plasticizer, a light stabilizer, an ultraviolet light absorber and a nucleating agent, the ultraviolet light absorber comprises phenyl salicylate and benzotriazole, and the nucleating agent is a 4030 nucleating agent or PMAPAB nucleating agent. The production process of the PVB membrane comprises the following steps: preparing materials, mixing, extruding, and drying, so that the PVB membrane is obtained. By virtue of the way, the PVB membrane capable of reducing ultraviolet harm and the production process thereof have the advantages that absorbing abilities of phenyl salicylate and benzotriazole to ultraviolet are utilized, ultraviolet transmittance of the PVB membrane is reduced, service life is longer, and the nucleating agent enables the PVB membrane to be more uniform and good in transparency, so that the PVB membrane disclosed by the invention is applicable to various kinds of laminated glass.
Description
Technical field
The present invention relates to PVB film field, particularly relate to a kind of PVB film and production technology thereof that reduces uv damage.
Background technology
PVB film refers to the diaphragm in the middle of laminated glass, adopts PVB resin as primary raw material. PVB non-toxic, nonflammable, there is good light transmission, insulating properties, weatherability, water-fast and ageing-resistant feature, inorganic and lucite are had to special caking property and light transmission, can be used as the sandwich material of safety glass, be widely used in vehicle glass field.
Car owner injures for antiultraviolet, mostly adhere to one deck sunscreen film in vehicle glass inner side, but sunscreen film has certain color mostly, make the light in car darker, affect driving safety, and good, the light-colored sunscreen film price of preventing ultraviolet effect is high, and sunscreen film general service life be 5 years, and be conventionally greater than 10 years the service life of vehicle, therefore, need repeatedly pad pasting, cost is large.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of PVB film and production technology thereof that reduces uv damage, promotes the ultraviolet resistance of laminated glass, avoids pad pasting cost.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of PVB film that reduces uv damage is provided, comprise: polyvinyl butyral resin and additive, it is characterized in that, described polyvinyl butyral resin shared parts by weight in the PVB film that reduces uv damage are 65 ~ 72 parts, described additive shared parts by weight in the PVB film that reduces uv damage are 28 ~ 35 parts, described additive comprises plasticizer, light stabilizer, ultra-violet absorber and nucleator, described ultra-violet absorber comprises septichen phenyl ester and BTA, described nucleator is 4030 nucleators or PMAPAB nucleator.
In a preferred embodiment of the present invention, described light stabilizer is hindered amine as light stabilizer.
In a preferred embodiment of the present invention, in described ultra-violet absorber, the parts by weight of each composition are: 4 ~ 5 parts of 4 ~ 5 parts of septichen phenyl esters and BTAs.
In a preferred embodiment of the present invention, in described additive, the parts by weight of each composition are: 6 ~ 9 parts of 8 ~ 10 parts, 10 ~ 12 parts, plasticizer, 4 ~ 7 parts of light stabilizers, ultra-violet absorber and nucleators.
For solving the problems of the technologies described above, another technical solution used in the present invention is: a kind of production technology of the PVB film that reduces uv damage is provided, comprises the following steps:
Get the raw materials ready: under room temperature condition, according to parts by weight, prepare 65 ~ 72 parts of polyvinyl butyral resins, 10 ~ 12 portions of plasticizer, 4 ~ 7 light stabilizers, 8 ~ 10 ultra-violet absorbers and 6 ~ 9 nucleators;
Mix: ready polyvinyl butyral resin, plasticizer, light stabilizer, ultra-violet absorber and nucleator are imported to mixer successively, stir;
Extrude: the material stirring is imported to extruder, and extruder heating and temperature control, at 151 ~ 155 DEG C, makes material melting, extrudes the PVB film of 0.1 ~ 1mm thickness;
Dry: PVB film is cooling fast through cooling water after extruding, and then enters pressure roller, removes surface moisture, then thoroughly air-dry.
In a preferred embodiment of the present invention, in described blend step, mixing time is no less than 10 minutes, 20 ~ 25 DEG C of operating ambient temperatures, humidity 45 ~ 55.
In a preferred embodiment of the present invention, the water content after described PVB film is air-dry is 3% ~ 3.5%.
In a preferred embodiment of the present invention, the air-dry rear rolling of described PVB film sealing are preserved.
The invention has the beneficial effects as follows: a kind of PVB film and production technology thereof that reduces uv damage that the present invention points out, utilize septichen phenyl ester and BTA to ultraviolet absorbability, reduce PVB film to ultraviolet transmitance, light stabilizer has promoted the ultraviolet effect of the long-term absorption of septichen phenyl ester, longer service life, and nucleator makes PVB film more even, the transparency is good, be applicable to the use of various laminated glass, cohesive is good, particularly, as the sandwich material of vehicle glass, save the later stage expense of pad pasting.
Detailed description of the invention
To the technical scheme in the embodiment of the present invention be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention comprises:
Embodiment 1:
A production technology that reduces the PVB film of uv damage, comprises the following steps:
Get the raw materials ready: under room temperature condition, prepare 4030 nucleators of 65kg polyvinyl butyral resin, 10kg plasticizer, 4kg light stabilizer, 4kg septichen phenyl ester, 4kg BTA and 6kg;
Mix: 25 DEG C of operating ambient temperatures, humidity 45, imports mixer successively ready polyvinyl butyral resin, plasticizer, light stabilizer, septichen phenyl ester, BTA and nucleator, stirs, mixing time 20 minutes;
Extrude: the material stirring is imported to extruder, and extruder heating and temperature control, at 151 DEG C, makes material melting, extrudes the PVB film of 0.3mm thickness;
Dry: PVB film is cooling fast through cooling water after extruding, and then enters pressure roller, removes surface moisture, then thoroughly air-dry, and the water content after PVB film is air-dry is 3%, rolling sealing are preserved.
Embodiment 2:
A production technology that reduces the PVB film of uv damage, comprises the following steps:
Get the raw materials ready: under room temperature condition, prepare the PMAPAB nucleator of 72kg polyvinyl butyral resin, 12kg plasticizer, 6kg light stabilizer, 5kg septichen phenyl ester, 5kg BTA and 7kg;
Mix: 20 DEG C of operating ambient temperatures, humidity 48, imports mixer successively ready polyvinyl butyral resin, plasticizer, light stabilizer, septichen phenyl ester, BTA and nucleator, stirs, mixing time 35 minutes;
Extrude: the material stirring is imported to extruder, and extruder heating and temperature control, at 155 DEG C, makes material melting, extrudes the PVB film of 0.8mm thickness;
Dry: PVB film is cooling fast through cooling water after extruding, and then enters pressure roller, removes surface moisture, then thoroughly air-dry, and the water content after PVB film is air-dry is 3.3%, rolling sealing are preserved.
In sum, a kind of PVB film and production technology thereof that reduces uv damage that the present invention points out, the PVB film transparency obtaining is good, and isolation ultraviolet ray, good to the caking property of glass, the intermediate layer that is suitable as automobile sandwich-glass is used, and promotes the preventing ultraviolet effect of vehicle glass, reduces vehicle glass pad pasting expense.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. one kind is reduced the PVB film of uv damage, comprise: polyvinyl butyral resin and additive, it is characterized in that, described polyvinyl butyral resin shared parts by weight in the PVB film that reduces uv damage are 65 ~ 72 parts, described additive shared parts by weight in the PVB film that reduces uv damage are 28 ~ 35 parts, described additive comprises plasticizer, light stabilizer, ultra-violet absorber and nucleator, described ultra-violet absorber comprises septichen phenyl ester and BTA, and described nucleator is 4030 nucleators or PMAPAB nucleator.
2. the PVB film of reduction uv damage according to claim 1, is characterized in that, described light stabilizer is hindered amine as light stabilizer.
3. the PVB film of reduction uv damage according to claim 1, is characterized in that, in described ultra-violet absorber, the parts by weight of each composition are: 4 ~ 5 parts of 4 ~ 5 parts of septichen phenyl esters and BTAs.
4. the PVB film of reduction uv damage according to claim 1, is characterized in that, in described additive, the parts by weight of each composition are: 6 ~ 9 parts of 8 ~ 10 parts, 10 ~ 12 parts, plasticizer, 4 ~ 7 parts of light stabilizers, ultra-violet absorber and nucleators.
5. a production technology for the PVB film of the arbitrary described reduction uv damage of claim 1 ~ 4, is characterized in that, comprises the following steps:
Get the raw materials ready: under room temperature condition, according to parts by weight, prepare 65 ~ 72 parts of polyvinyl butyral resins, 10 ~ 12 portions of plasticizer, 4 ~ 7 light stabilizers, 8 ~ 10 ultra-violet absorbers and 6 ~ 9 nucleators;
Mix: ready polyvinyl butyral resin, plasticizer, light stabilizer, ultra-violet absorber and nucleator are imported to mixer successively, stir;
Extrude: the material stirring is imported to extruder, and extruder heating and temperature control, at 151 ~ 155 DEG C, makes material melting, extrudes the PVB film of 0.1 ~ 1mm thickness;
Dry: PVB film is cooling fast through cooling water after extruding, and then enters pressure roller, removes surface moisture, then thoroughly air-dry.
6. the production technology of the PVB film of reduction uv damage according to claim 5, is characterized in that, in described blend step, mixing time is no less than 10 minutes, 20 ~ 25 DEG C of operating ambient temperatures, humidity 45 ~ 55.
7. the production technology of the PVB film of reduction uv damage according to claim 5, is characterized in that, the water content after described PVB film is air-dry is 3% ~ 3.5%.
8. the production technology of the PVB film of reduction uv damage according to claim 5, is characterized in that, the air-dry rear rolling of described PVB film sealing are preserved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610099064.0A CN105585805A (en) | 2016-02-24 | 2016-02-24 | PVB (polyvinyl butyral) membrane capable of reducing ultraviolet harm and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610099064.0A CN105585805A (en) | 2016-02-24 | 2016-02-24 | PVB (polyvinyl butyral) membrane capable of reducing ultraviolet harm and production process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105585805A true CN105585805A (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610099064.0A Pending CN105585805A (en) | 2016-02-24 | 2016-02-24 | PVB (polyvinyl butyral) membrane capable of reducing ultraviolet harm and production process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109337385A (en) * | 2018-10-20 | 2019-02-15 | 司彩霞 | Hydrophobic heat-insulated laminated film of a kind of UV resistant based on chlorinated paraffin and preparation method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4839405A (en) * | 1986-07-08 | 1989-06-13 | Plasticolors, Inc. | Ultraviolet stabilizer compositions, stabilized organic materials, and methods |
| CN1284518A (en) * | 1999-11-04 | 2001-02-21 | 中国耀华玻璃集团公司 | Adhesive sheet for sandwiched glass |
| JP2003327455A (en) * | 2002-05-08 | 2003-11-19 | Sekisui Chem Co Ltd | Intermediate film for laminated glass and laminated glass |
| CN1643050A (en) * | 2002-03-12 | 2005-07-20 | 纳幕尔杜邦公司 | Low-color stiff PVB laminates |
| CN1643049A (en) * | 2002-03-12 | 2005-07-20 | 纳幕尔杜邦公司 | Low-color PVB sheet and a process for making same |
| CN101698366A (en) * | 2009-11-05 | 2010-04-28 | 广州市奥吉斯新材料有限公司 | Soundproof and explosionproof film and application thereof |
| CN101704979A (en) * | 2009-11-05 | 2010-05-12 | 广州市奥吉斯新材料有限公司 | Heat-insulating anti-explosion membrane and application thereof |
| US20100249253A1 (en) * | 2008-03-27 | 2010-09-30 | Claudio Fernandez Acevedo | Method for the recycling of polyvinyl butyral |
| CN104262874A (en) * | 2014-09-20 | 2015-01-07 | 宣英男 | PVB (polyvinyl butyral) film for dynamically rejecting infrared rays and resisting ultraviolet rays and preparation method thereof |
| CN104877582A (en) * | 2014-02-28 | 2015-09-02 | 上海沪正纳米科技有限公司 | High-performance PVB heat insulation resin film and preparation method thereof |
-
2016
- 2016-02-24 CN CN201610099064.0A patent/CN105585805A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4839405A (en) * | 1986-07-08 | 1989-06-13 | Plasticolors, Inc. | Ultraviolet stabilizer compositions, stabilized organic materials, and methods |
| CN1284518A (en) * | 1999-11-04 | 2001-02-21 | 中国耀华玻璃集团公司 | Adhesive sheet for sandwiched glass |
| CN1643050A (en) * | 2002-03-12 | 2005-07-20 | 纳幕尔杜邦公司 | Low-color stiff PVB laminates |
| CN1643049A (en) * | 2002-03-12 | 2005-07-20 | 纳幕尔杜邦公司 | Low-color PVB sheet and a process for making same |
| JP2003327455A (en) * | 2002-05-08 | 2003-11-19 | Sekisui Chem Co Ltd | Intermediate film for laminated glass and laminated glass |
| US20100249253A1 (en) * | 2008-03-27 | 2010-09-30 | Claudio Fernandez Acevedo | Method for the recycling of polyvinyl butyral |
| CN101698366A (en) * | 2009-11-05 | 2010-04-28 | 广州市奥吉斯新材料有限公司 | Soundproof and explosionproof film and application thereof |
| CN101704979A (en) * | 2009-11-05 | 2010-05-12 | 广州市奥吉斯新材料有限公司 | Heat-insulating anti-explosion membrane and application thereof |
| CN104877582A (en) * | 2014-02-28 | 2015-09-02 | 上海沪正纳米科技有限公司 | High-performance PVB heat insulation resin film and preparation method thereof |
| CN104262874A (en) * | 2014-09-20 | 2015-01-07 | 宣英男 | PVB (polyvinyl butyral) film for dynamically rejecting infrared rays and resisting ultraviolet rays and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109337385A (en) * | 2018-10-20 | 2019-02-15 | 司彩霞 | Hydrophobic heat-insulated laminated film of a kind of UV resistant based on chlorinated paraffin and preparation method thereof |
| CN109337385B (en) * | 2018-10-20 | 2020-09-08 | 安徽星鑫化工科技有限公司 | Chlorinated paraffin-based ultraviolet-resistant hydrophobic heat-insulating composite film and preparation method thereof |
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Application publication date: 20160518 |