• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A laminate comprising a sheet of the polycarbonate or polyacrylate resin in face-to-face contact with a sheet of polyvinyl butyral plasticized with an effective amount of a plasticizer which is at least a partial ester formed by reaction of an alcohol having from 2 to 4 hydroxyl groups and a C16-C20 unsaturated fatty acid having a hydroxyl group attached to the acid molecule.
    公开号:SU728697A3
    申请号:SU782609450
    申请日:1978-05-06
    公开日:1980-04-15
    发明作者:Альберт Фейбель Дейвид；Харди Ферисс Роберт；Арсер Снелгроф Джеймс
    申请人:Монсанто Компани (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to the preparation of a laminate, which is a non-split glass. The conventional safety glass, used in car windshields and for a variety of architectural glass, contains two sheets of glass with a lining of transparent plastic, such as plasticized polyvinyl acetal. For example, layered materials are known that contain sheets of glass and a pad of polyvinyl butyral plasticized with triethylene glycol-di (2-ethyl butyrate) 11f Dibutyl sebacate or dioctyl phthalate 2. Also known is a layered material containing a sheet of glass, a pad of polyvinyl butyral plasticized with organic phosphate and a sheet of polycarbonate 3. Polycarbonates and polyacrylates have excellent transparency, rigidity and hardness. Their disadvantage is that they cause hairline cracks and cracks relatively easily due to stress in the presence of a large amount of organic compounds used as a plasticizer for polyvinyl butyral. The surface layer of polycarbonate or polyacrylate sheet is covered with the above-mentioned net of hairline cracks, the glass becomes cloudy and loses transparency. The purpose of the invention is to preserve the transparency of shatterproof glass during operation. This goal is achieved by the fact that the gasket is made of polyvinyl butyral plasticized with full or partial glycerol ether and unsaturated fatty hydroxy acid C CoQ. The most common unsaturated fatty acid ester belonging to this category of plasticizers is triricine oleglycerol, which is the main component of castor oil. Acids used to form esters have 16-20 carbon atoms and include, in addition to ricinoleic acid (12-hydroxyoleic acid), other hydroxyoleic acids with a hydroxyl group attached to a non-carbon atom at position 12, such as 6, 8 , 14- or 16-hydroxyoleic acid, 12-hydroxyelide acid and acids with the same
    the most empirical formula having a hydroxyl group attached to a non-carbon atom at position 12. The corresponding variants of 12-hydroxy-hexadec-9-enoic acid and 12-hydroxy-eicosis-9-enoic acid are also charged.
    Although already a single acid can give all the esterifying acid groups, a mixture of esterifying acids is usually used, some of which may be unsaturated, as is the case with naturally occurring castor oil, provided that the esterifying acids together dak1t at least one unsaturated and one hydroxyl group per 1 mole of plasticizer.
    Preferably, the plasticizer used is castor oil which contains a mixture of esters obtained by reacting glycerol with the following acids {the preferred weight percentage of esters derived from this acid is given in parentheses: racinolic acid (86), oleic acid (8.5), linoleic acid acid (3,5), stearic acid (1) and dioxystearic acid. Approximately 63.6% of ricinoleate is a triester, 31.1% diester and 5.1% monoester.
    In an embodiment of the present invention, the unsaturated acid component can be replaced completely or partially with acetylated hydroxy acid. In another embodiment, the ester can be polymerized or epoxidized in an oxidative manner to produce derivatives that can also be used. as plasticizers in this invention.
    The amount of such a plasticizer used in the proposed laminate strip is 10-55 hours per hundred.
     The proposed plasticized pad can be used to produce a simple laminate, with the pad being on at least one surface in contact with a sheet of polycarbonate or polyacrylate. Often, one of the gasket surfaces is in contact with another kind of material, such as a stele. ;
    Bay & hazardous glass is usually made of a plurality of layers, e.g. four or more, with plasticized gaskets and polyacrylate or polycarbonate layers and steles with a total thickness from 0.64 cm to several centimeters. Of the repeating glass / strip / polycarbonate or polyacrylate / strip / A units: such laminates are usually leaked.
    Examples 1 and 2 illustrate the production and manufacture of laminates according to this invention. Examples 3 and 4 show the results of comparing the performance properties of castor oil and a number of commercial plasticizers obtained in the test bench for accelerated testing in order to establish the most suitable plasticizers.
    Example 1 A pad formulation containing polyvinyl butyral with 18% hydroxyl groups (measured as polyvinyl alcohol) and 50% of castor oil is extruded to form a pad in the form of a sheet, and no color change is observed.
    This sheet is used to form a glass / gasket / polycarbonate / (gasket / glass) laminate at a temperature of 150 ° C and under a pressure of 0.21-0.35 kg / s. The thickness of the gasket is 0.762 and 1.524 mm, and polycarbonate sheet 3.2 mm.
    After 200 days, layered material does not show deterioration.
    Conversely, an identical laminate obtained by this method, with the exception of using conventional commercial polyvinyl butyral with dihexyl adipate as a plasticizer, shows a significant deterioration in transparency after a few hours (hairline cracks in polycarbonate).
    Example 2. A laminated material with a glass / combined gasket / polycarbonate structure is obtained by pressing two intermediate layers of the following structure: gasket / glass and gasket / polycarbonate. Contact surfaces are gasket surfaces. The polycarbonate layer has a thickness of 3.2 mm. Both halves of the combined strip are identical and contain polyvinyl butyral with a hydroxyl content of 15% (measured as polyvinyl alcohol) and 37% of castor oil as a plasticizer. The total thickness of the two halves of the final laminate is 0.4
    The first laminate is manufactured at a temperature of 150 s and under a pressure of 0.35 kg / cm. A second laminated material is obtained at a temperature of 135 s and under a pressure of 0.35 kg / cm. Both halves are pressed at 93 ° C and under a pressure of 0.487 kg / cm.
    The layered material does not show any impairment of transparency after several months.
    Example 3. This example shows the results of the tests in order to establish the most suitable plasticizers for use in FULLBUTYRAL in the form compressed with polycarbonate.
    In this test, described in MIL-P-8184 B, the tendency of the polymer to form a network of hair cracks under the influence of a plasticizer is determined.
    In the test, a polycarbonate sample with a thickness of 7.6 mm X 2.4 mm XX 178 mm is placed in a horizontal test bench in which it is supported at a fulcrum at a distance of 60 mm from the first end and supported in a horizontal position by a fixed stop placed at a distance of 9.5 mm from the first end. Then to the second end, i.e. at the opposite end supported side, at a distance of 103 mm from the point of support, a load is applied so that the sample bends downwards. After 10 min, the pad, saturated with the tested plasticizer, is placed on the rocker at the point of maximum load, i.e. at the opposite support point on the upper surface of the rocker. After 3 minutes, the patch is removed at room temperature and the sample is tested for hairline cracking.
    The results are shown in the table. No image of Castor oil 492 vanilla nets of hair cracks Formation of Digeksiladipat105 grids of hair cracks Beginner Dibutyl Sebacat 105 formation of a grid of hair cracks Calculated using the formula wti Sample thickness, dibutyl sebacate and dihexyl adipate are known plasticizers for polyvinyl butyral. This test shows the advantage of casting oil over these plasticizers, even at much higher loads. Example 4. This example describes the increased ability of plasticizers from castor oil compared to commercial plasticizers. The test bench and techniques are the same as in example 3, except that a square piece of plasticized polyvinyl butyl is used instead of a lining containing, in addition to the plasticizer, 18% hydroxyl groups (measured as polyvinyl alcohol) and pressed together with the sample polycarbonate at a pressure of 0.35 kg / cm and temperature before application of the load.
    The load on the outer fiber is 492 kg / cm2. After 30 minutes at room temperature, the hairline cracks in the specimen are tested.
    The results are as follows (the amount of plasticizer, h, in terms of one hundred, given in parentheses);
    Operational
    Plasticizer properties
    No education
    Castor
    (50) hair mesh oil (cracking
    权利要求:
    Claims (3)
    [1]
    1. US patent 3388034, CL. 61-183, published. 1965.
    [2]
    2. Authors certificate of the USSR 269837, cl. B 32 B 17/10, 1968.
    [3]
    3. US patent 3406086,
    cl; 161-183, pub. 1968 (prototype)
    类似技术:
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    同族专利:
    公开号 | 公开日
    AU3588778A|1979-11-15|
    FR2390281A1|1978-12-08|
    CA1093452A|1981-01-13|
    IT7823129D0|1978-05-08|
    JPS53139684A|1978-12-06|
    DE2820061A1|1978-11-23|
    GB1590820A|1981-06-10|
    JPS6040381B2|1985-09-10|
    FR2390281B1|1983-09-02|
    DE2820061C2|1988-07-21|
    US4128694A|1978-12-05|
    BE866792A|1978-11-08|
    CS199729B2|1980-07-31|
    MX149092A|1983-08-24|
    IT1094598B|1985-08-02|
    AU517793B2|1981-08-27|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
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    US2517218A|1946-03-23|1950-08-01|Monsanto Chemicals|Polyvinyl butyral composition|
    US3388034A|1965-01-13|1968-06-11|Mobay Chemical Corp|Laminated safety glass|
    US3406086A|1965-03-31|1968-10-15|Mobay Chemical Corp|Transparent safety laminates and method of making same|
    US3434915A|1965-11-17|1969-03-25|Du Pont|Glass laminate|
    US3539442A|1967-12-15|1970-11-10|Monsanto Co|Laminated articles comprising polycarbonate sheet bonded to layer of plasticized polyvinyl acetal|
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    US3734819A|1972-02-14|1973-05-22|Union Oil Co|Ethylene-vinyl acetate emulsion adhesive|
    FR2320967B1|1975-08-13|1980-10-03|Monsanto Co|US4248836A|1977-05-11|1981-02-03|United Kingdom Atomic Energy Authority|Recovery of nuclear fuel material|
    US4474856A|1981-12-02|1984-10-02|Ford Motor Company|Glass spandrel product|
    DE3303111A1|1983-01-31|1984-08-02|Hoechst Ag, 6230 Frankfurt|THERMOPLASTIC MOLDS FROM SOFTENER-CONTAINING POLYVINYLBUTYRAL|
    US4563296A|1983-08-12|1986-01-07|Monsanto Company|Plasticizer blend for polyvinyl butyral|
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    US8642176B2|2007-06-19|2014-02-04|Sabic Innovative Plastics Ip B.V.|Plastic laminates and methods for making the same|
    US20080318053A1|2007-06-19|2008-12-25|General Electric Company|Plastic Laminates and Methods for Making the Same|
    US8349458B2|2007-11-06|2013-01-08|Solutia Inc.|Interlayers comprising glycerol based plasticizer|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US05/794,776|US4128694A|1977-05-09|1977-05-09|Laminates comprising a plasticized interlayer|
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