• 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:

    公开号:SU955863A3
    申请号:SU802928294
    申请日:1980-05-30
    公开日:1982-08-30
    发明作者:Зимм Манфред；Шпис Карл-Гейнц；Вейс Рихард
    申请人:Динамит Нобель Аг (Фирма)；
    IPC主号:
    专利说明:

    (54) METHOD FOR MAKING FILMS
    权利要求:
    Claims (2)
    [1]
    The invention relates to the processing of plastics, in particular, to deformation methods for the preparation of polymer films, and can be used in the production of film materials that will subsequently need to be subjected to welding operations. A known method of producing films by calendering, according to which the polymer and other ingredients are loaded into, a mixer, from where the mixture is fed to the nourishing rollers, from which it is fed as a continuous ribbon into the feeding gap-kalanda. The product formed in the calender enters the cooling drums, passes through the thicknesses (then through the device for trimming the edges and enters the collection stand of the tl3 sealing device. The closest in technical essence and the achieved effect to the proposed method is the manufacturing of the mixer by mixing the polymer with additives , homogenization, calendering and subsequent stitching of the apertured film 123. A disadvantage of the known method is that the films obtained by it cannot be welded, since the crosslinking agent nt is distributed homogeneously and therefore each part of the material more or less has a high degree of crosslinking. The purpose of the invention is to provide a film of welding ability. This goal is achieved by jTo in the method of making a film by mixing polymer with additives, homogenizing, calendering and then stitching the resulting film. Polymeric rubber is used as the polymer and crosslinking is carried out by electron irradiation of the obtained film on one side under the following conditions: Accelerating voltage, keV - 400-750 beam angle, mA 25-60 Film speed, m / min3.5-5 Radiation dose, mrad 10-16 The distance between the opening of the scanning device and the film surface, cm 12-17 It is advisable to carry out the stitching when using high-energy radiation, for example, a beam of accelerated electrons. Plastics, such as rubber-like copolymers of ethylene with, at least one other olefin of form, CHi2 CHR or CHrf-CH-R-CH CH mules, in which P is alkyl with 1- 12 carbon atoms and, if necessary, one polyol, as For example, ethylene-propylene-dienterpolimer or ethylene-propylene-sopolimv; natural rubber, styrene, butadiene rubber, polybutadiene rubber, polyisoprene rubber, polyethylene, ethylene vinyl acetate, acrylonitrile butadi-. en-styrene, styrene-butadiene rubber, copolymer copolymer, styrene-isoprene-cube, block block-polymer, neaprene rubber, nitrile rubber, polysulfide rubber, chlorinated polyethylene, polyurethane, vinylidene-copolymer, silicone rubber, vinylidene copolymer, silicone rubber, chlorinated polyethylene, polyurethane, vinylidene-copolymer, silicone rubber, vinylidene copolymer, silicone rubber, chlorinated polyethylene, polyurethane, vinylidene-copolymer, silicone rubber, vinylidene copolymer, silicone rubber, chlorinated polyethylene, polyurethane, vinylidene-copolymer, silicone rubber, vinylidene copolymer, silicone rubber, chlorinated polyethylene, polyurethane, vinylidene-copolymer, silicone rubber, silicone rubber, chlorinated polyethylene, polyurethane, vinylidene-copolymer, silicone rubber, silicone rubber, chlorinated polyethylene, polyurethane, vinylidene-copolymer, silicone rubber, chlorine polyethylene, polyurethane, vinylidene copolymer, silicone rubber, chlorine polyethylene, polyurethane, vinylidene copolymer, silicone rubber, chlorine polyethylene, polyurethane, vinylidene copolymer Chlorosulfonated polyethylene, fluorosilic rubber, polyvinyl chloride, polypropylene, butyl rubber, epichlorohydrin, ethylene oxide, epichlorohydrin polyacrylamide or polyamide. t, Example 1. A patch is made, sewn only on a part of its thickness from the surface. At the mixer, the following components are mixed at 170 ° C, parts by weight: Tertiary copolymer of ethylene, propylene and diene100 Stearic acid — 1 Soot60 Anhydride of silicic acid and kaolinite 40 Paraffin mineral oil 60 Zinc oxide5 To get a better homogenization, the mixture thus obtained is processed for 10 minutes at 180 ° C in a rolling mill and then on the calender. A 1.2 m thick film manufactured there at 180 ° C and a speed of 5 m / kA is stitched in an electron-irradiation device under the following conditions: 5 coaxial voltage, keV 500 Beam current, mA 60 Film transport speed, m / min3, 5 Dose at the surface, mrad. 16 Distance between the opening of the scanning device A and the surface of the film -17. The film was irradiated on one side to a thickness of 1.1 ml. The thickness of 100 microns remained unstitched. The yoke thus obtained on its unstitched side can be doped by diffusion welding with tetraorethylene -. It can be used as a sealing enki. Example 2. Analogously to example 1 from the following non-containing mixture, a film is produced with a thickness of 1.0 mm. The electron irradiation is carried out under the following words: Accelerating Voltage, keV 400 Beam current strength, mA60 Film transport speed, m / min5 Dose at the surface, mrad 16 Distance between the opening of the scanning device and the surface, cm12 The irradiated film on the irradiated toron was crosslinked to a penetration depth of 850 mic, the remaining thickness of 150 mic was uncrosslinked. Froze The following components are mixed in a mixer at 20 ° C for 20 minutes and are fed through a two-shaft enrichment device per calender and processed at 200 ° C for 3 minutes into a film with a thickness of 1.5 mm, weight: Butadiene, rubber: - 100 Zinc oxide5 Stearic acid2 Paracinic mineral oil .40 Atactic polybutene 40 Soot 70 Koalinit200 Dispersant5 Stitching of one side of the film in the device for electron irradiation takes place under the following words: Accelerating voltage, keV 75Q Current intensity, lA60 Film transport speed, m / min4 Dose on the surface, mrad 12 The distance between the opening of the device scanner and the surface of the alcuminic film with a thickness of 0.3 mm, cm17 Example 4. The following period is processed similarly to sample 1 into a film 1 mm thick, parts by weight: Chlorosulfonated polyethylene 50 Magnesium oxide 4 Chlorosulfonated polyethylene 50 Titanium dioxide 10 Calcium carbonate 150 Chloroparaffin 70% 60 Stitching one side of the film in an electron irradiation device is carried out under the following conditions: Accelerating voltage, mA 25 Speed Tt aHcnopTa film, / mi n 3.5 Dose of the surface, mred 10 The distance between the opening of the scanning device and the surface of the film, cm 17 -,. The thus obtained and irradiated film is crosslinked with a thickness of 850 mic, while the rest of the tolynin 150 mic remains unstitched. The unstitched surface of the film can also be welded. Example 5 Analogously to example 1, a film 3 mm thick is prepared from the following mixture, parts by weight: Butadiene rubber, 100 Wax rubber 4 Paraffin mineral oil 250 Stitching one side of the film with accelerated electrodes is carried out under slightly ductile conditions: Accelerating voltage, keV 900 Beam current, mА100. Film transport speed 4 IH / MMH The distance between the opening of the scanning device and the substrate (film surface), cm-17 Film. It has good weldability. Example 6. Repeat with .measure 1-5 with that. the difference that planar products are obtained when using, as shown in example 1, crosslinkable components, the invention The method of making a film by mixing a polymer with additives, homogenizing, calendering and then stitching the resulting film, characterized in that, in order to ensure the ability to weld, synthetic rubber is used as polymer and crosslinking is carried out by electron irradiation of the obtained film on one side under the following conditions: Accelerating voltage, keV 400-750 Beam current strength, A 25-60 Speed of movement of the film, m / min3.5-5 Dose of radiation, mrad 10-16 Distance between the opening of the scanning device and the surface of the film, cm 12-17 Sources of information taken into account during the examination 1.Gul B. E. and others. Physico-chemical basis for the production of polymer films. M., Higher School, 1978, p. 157-167.
    [2]
    2. For the Germany FRG 2202738, cl. In 29 D 7/20, published 1978 (prototype).
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    引用文献:
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    法律状态:
    优先权:
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