• 专利附录
  • 专利说明
  • 权利要求
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    • 专利摘要:
    1491096 Acrylate-styrene/acrylonitrile polymeric compositions STAUFFER CHEMICAL CO 24 Jan 1975 [1 Feb 1974] 3152/75 Heading C3P A thermoplastic composition comprises (a) 10-50% of a crosslinked acrylate elastomer, (b) 5-35% of a crosslinked styrene-acrylonitrile copolymer, and (c) 15-85% of a linear styrene-acrylonitrile copolymer, either polymer (b) surrounds and penetrates polymer (a), or vice-versa. The compositions are prepared by (1) emulsion polymerization of an acrylate in the presence of a cross-linking agent, (2) emulsion copolymerization of styrene and acrylonitrile in the presence of a cross linking agent and the product from step (1), and (3) emulsion or suspension copolymerization of styrene and acrylonitrile in the presence of the product from step (2) but in the absence of a cross linking agent; steps (1) and (2) may be inverted in their order. In the examples polymer (a) is a polybutylacrylate crosslinked with 1,3-butylene glycol diacrylate and (b) is crosslinked with divinylbenzene.
    公开号:SU828974A3
    申请号:SU752103937
    申请日:1975-01-31
    公开日:1981-05-07
    发明作者:Юн-Сен Ю Артур；Эленор Галлахер Рут
    申请人:Стауффер Кемикал Компани (Фирма)；
    IPC主号:
    专利说明:

    10-50% blnitel on the weight of one .nli more monomers and 0.2-2.0% by weight. ootorottstvogo emulsifier. Introduced, irp;:.: I6.iii-solvent, 0.05-2.0% by weight of a mixture of monomers of water-soluble catalysts, for example, ammonium persulphate, sodium or potassium, pere-Yu: water, genus or redn. the xp system, HanpHMieip of a mixture of persulfate bisulfite, such as phosphate or sulfate, is a whole metal, and then the mixture is heated at a temperature of approximately 40-95 ° C for approximately 0.5 to 8 hours.
    The parts of a; kryl elastomer, designed to obtain particles for the proposed method, include crosslinked acrylic polymers or solimeimea with a glass transition temperature below 25 ° C, which are polymerized. They are emulsified with iniine free radicals. These Acrylic Elastomer Particles must be stitched so that they can | And retain their size and shape for the subsequent stages of X J i o L | And Mer and H a | Qi; and,
    Crosslinking can be done directly with the elastomeric rim and iridescent if the mixture contains polyfunctional ethylenically unsaturated monomer. In the present invention, the term "CH1PTY" provides an iolchmer, which irp at ambient temperature is mainly insoluble in solvents such as tetrahydrofurap or cyclohexanop.
    Examples of acrylic elastomers that CAN be used include stitched polymers a l kil acrylic and C 9 -Cyu and myomasy Cs- € 22, preferably C4-Cly allacrylates and C1 -C4 allaminacrylates and Alklaminacrylate monomers Cs-C22- С22- С 22-Сю- Сю-Сю-Сю-Сю-Сю and С ал-Сю. -Cs, eg, Mer, Colloration (n-butylyl), poly (ethyl acrylate), zeros (2-ethylhexyllacrylate). At this stage, acrylate monomer should be used as low as possible. In a portion of MOHOMeipa, non-specific amounts can be included, for example, 1–20% by weight of the total amount of monoacrylate acrylate, other monomers, including styrene, and (kry nloiitr nl, met acr and l oitryl, methy l Metaacrylate, Methacrylic acid, acrylic acid, Vipylpdenyl chloride, vinyltoluene, and any other ethylenically soluble ethylene monomer combined with one selected for use in .M e; pm acrnol.
    For the coloration of MonoMeipa acrylate, at least one binding agent is used, in an amount of about 0.05-10% (and preferably 0.1-5%) of the weight of the acrylate monomer. This cross-linking agent is bi-or poly-functional; an unsaturated monomer with Etilev Euv-containing, containing software: wood, one viillo Group of formula, rmules
    N.
    R
    /
    where R is hydrogen or lower alkyl.
    The vinyl groups of the crosslinking monomer may be the same, for example divipelbepzol, trimethylolpropane,
    etc., 1lp, different for you, allylmethacterium, etc. dietlphenglycolic diacratum, ethylene glycol diacrylate, diphyl methanol, methanol, methanol, methanol, methacrylate, dylpyl glycol sulfonate, methylene glycol, trimethyl glycol, trimethylbenzoliphenol, trimethyl glycol, dimethacrylate, trimethylbnglccoldol, crylate, methylene glycol1 oldiakrilat, gliperpltrpakrilat, oktileiglagkoldiakrnlat, trimetilolpronantriakrplat, tstraakrilovy ether ieitaeritrntola and razLPchnye diallilfosfonaty.
    Optimal results were obtained when using a crosslinked co-polymer containing Nriblnitelitio 95-99.9% but by weight of butyl acrylate and 0.1-5% by weight of bylene glycol and acrylate.
    As an emulsifier, there may be a nsolizovAl aIIon emulsifier, for example
    carboxylic / C2-C22 acids, sulfates or sulfonates of alcohols or alkylphenols Sb-C22, a meiopic emulsifier, for example, adducts of alkyl acids to fatty acids, amines or amides, a mixture
    Too much Chunky anioppy and non-ionic emulsifiers, or cat 01 emu emulsifiers, nairImer compound, containing a quarter of ammonium. The amount of emulsifier in the emulsion should be about 0.5-5% by weight.
    Independent of - selected emulsifier and the isolation of rubber latex polymer in large quantities in industrial equipment is greatly facilitated by
    enter into the system of portions of the monopomer in the sandy conditions of IB for 1-3 hours. In those cases, when this is not observed and all monomers are entered in one step, the exothermic Reaction of the zol. | Izpii
    it often becomes chemically conducive that LIVER. DIT to overheating, which, in turn, causes “seizure, i.e., coagulation of the resulting latex. O. However, the introduction of monomer in several nriemov
    The reaction of polymerisation remains controllable, and overheating of the coagulation can be prevented.
    An emulsion should also be contained in the emulsion in an amount of approximately
    0.005-2% by weight of the monomer acrylate.
    Water-soluble peroxide compounds, for example, hydrogen sulfate and asers, nitrous sulfates and ammonium, oil-soluble organic peroxides and azo-1111, an example of benzoyl peroxide, azoblisphenol, and acetone, are suitable for irrization. 1 or in a mixture. It is also possible to note that xy xy xy x-catalysts, alry, measures of x-recipe catalysts with reducing agents, nano-n, hydrahydrate, bisulfite, triosulfate hydrosulfate of alkali metals, and soluble oxidizable sulfoxylic compounds .
    Also used are substances that cause hierosynolysis, “AprImer alkylmercalane, for example, isododecylmeritaitane, toluene, xylene, chloroform, and halohydrocarbons.
    A trace | em component of the emulsion is a buffer to maintain the pp at ur013 not 7 or higher.
    Then, emulsion polymerization of a mixture of styrene and acrylonitronyl is carried out in the presence of a small amount, according to: -1, of a single bifunctional or iololyfunctional crosslinking monomer to obtain a crosslinked styrene acrylonitrile polymer. This emulsion iolimerization is carried out in the presence of a cross-linked acrylic elastomer by adding a portion of styrene-yrylonilonitrile to a previously prepared aqueous emulsion of an ULTl acrylate elastomer. The amount of styrolazhrylopitrile added is 5-35% by weight of the final product to be obtained, the amount of crosslinked arylate elastomer is about 10-50% by weight of the final product.
    A portion of the styrene acrylonitrile monomer may contain approximately 50: 50-85: 15 weight. including styrene to acr1LON1trile, the preferred ratio is 76:24.
    You can also include small amounts, for example less than 20% by weight, of other monomers. Examples include isobutylstyrene, l-chlorostyrene, a-methylstyrene, methylmethacrylate, allylacrylate, vinylidene chloride, ethyl.en, propylene, isobutylene, and other ethylenically unsaturated compounds, copolymerized with styrene and acrylonitriles, and copolymerizable with styrene and acrylonitriles.
    Cross-linking agents, emulsifiers, initiators and substances that cause chain transfer 1 can also be used in this stage in the same quantities to obtain a cross-linked styrene acrylonitrile on a cross-linked acrylic elastomer.
    Ash two stages can be carried out in reverse order
    After the termination of the emulsion polymerization and crosslinked styrene-krlayairyl
    polymer on a crosslinked acrylic elastomer or after the end of the same stages, zypol, non-negative in reverse order, carry out the last stage - the formation of a linear styrene-acrylonitrile polymer, which basically does not affect the cross-linked acrylic elastomer - cross-linked copolymer). styrene acrylonitrol. The amount of iriv: total linear styrene acrylonitrile polymer is less than 30 weight. %, preferably 1o less than 20 wt. % The third stage can be carried out with a diminution of either E; Monsnon polymerization of a stream of styrene monomers and acrylonitre; a sludge of the same type in cocTai3e as GOrtsi styrene acrylonitrile, using our previous 3 stages in the absence of cross-linking. The total amounts of styrene and acrylonitrile used in this stage are 15-85% by weight.
    0 coic product. In this last stage, and ioliller 1: these and the same emulsifiers, agents, substances caused, a1o ne: a) eios cepp, and different mololcs, used in the preceding stages, can be used.
    If the suspension method is iolmerisation, the suspending agent may be methylcellulose, hydroxyethylcellulose, oxypropylcellulose, carboxyme; ilpellulose, talc, clay, podedenyl alcohol, gelatin. For this purpose, hydroxypropylmethylcellulose is preferred, the viscosity of which is determined by an Abelode viscometer according to the method ASTM D-1347-64.
    5 and D-2363-65T for a 2% by weight aqueous solution from 20 ° C should be less than 3000, preferably about 15,000 centipoise. Other dobazkp can be used to obtain a linear styrene and 40 nitrile matrix to give the desired properties of course. The product, including the usual light, thermal and ultraviolet emulsifiers, antioxidants, dyes, pigments, mineral additives, and solubilizing agents and reinforcing agents.
    An example. To obtain latex crosslinked lolybutyl acrylate, i.h.
    50 bottles with a capacity of 946.4 ml of the following reagents:
    Butyl acrylate: 80 g
    Butyl Glycol 0, 45 g
    diacrylate Bis-trndecyl
    5 sodium sulfate-sulphate ether (TR aerosol, 1% solution)
    0
    54 ml
    K2S2Os (2%
    solution) 20 ml of NaHCOs (1%
    solution)
    20 ml
    5 326 ml
    Then, the contents are flushed with nitrogen, closed with a stopper, and heated np ") with a braking screen: for 3 hours at 70 ° C.
    The obtained latex (preparation Al 1) contains 30% of solid H; asbestos.
    Example 2. To obtain a series of intermediate polymers containing Starol-acrylo-1 -tryl and cross-linked polybutyl-hryl-elite cross-linked copolymers, the reagents listed in Table 2 below. 1, iomeida 3 skl NKu capacity of 946.4 ml, washed with nitrogen. Then the eggs are covered: from, they heat up and crink ave. At 70 ° C for 2.5 (.
    D111 Iinlbeizol,
    g
    In quality. SyH1, your agent is used with divinylbenzol (DVB), CBA means crosslinked butyl acrylate, HSAN is spirol acrylonitrile.
    The above formulations gave good amulapes with a low degree of coagulation. The preparation ° 5 Å contains a crosslinked stele a.Kip or iliphyl silt –subo l mar a. HudExample 3. Suspension polymerization of linear styrene acrylone (aryl (i.e. monomers of styrene and acrylonitrile), is carried out in the presence of 1ccc: hydroxystyrene acrylate onitrile on cc, and the polybutron elastomer. In a case of 9%). all the reagents listed in Table 3. Skl pk er akayut g: rp 70 C for 10 h.
    The performance characteristics of the product obtained from the preparation No. 5 are shown in Table. 6
    In tab. 2. Fallen Blen's solubility of the preparations jY 1-5, isolated from the nets, by coatul pin with the following, DRYING it to a constant weight. The solvent is methyl ethyl ketone (MEK).
    table 2
    From the above reagents were obtained emulsions with weak milky luminescence. About 0.25% oxybz-tyltoluene (MBT) was added as an emulsion-i, and the samples were air-dried.
    In tab. 4 shows the analysis of some drugs, the list; and blind “s in table. 3
     linear styrene acrylonityl.
     Metocel suspending agent hydroxypropyl methylcellulose, viscosity 15,000 cP. + azobisisobutyronitrile, polymerization initiator. + + CBA: KSAN - resins listed in Table. one.
    Example 4. The final products are obtained: not by suspension polymerization, as in example 3, but by emulsion polymerization. The reagents listed below are placed in a reaction tank with a capacity of 946.4 ml, washed with nitrogen and heated to 70 ° C, while the bottle is rotated for 3.5 hours. The product has the following | Req. : 10 KSAN: 30 KHPBA):
    NzO92 g
    KaSaOs (2%
    solution) 20 ml
    TR aerosol (1% -; ny
    solution) 20 ml
    HANSOZ (10% solution) 15 ml
    Seed (drug 3) 220 g
    Styrene60.5 g
    Akrnlonitril22.4 g
    iso-dodecyl mercaptan, 118 g
    The emulsion was satisfactory, odorless and did not coagulate. MBT supplements are about 0.25% as an emulsion. This EMULSION is indicated
    Table 3
    Table 4
    as a preparation 10. The solids content was 24%. The calculated results of the analysis of aa liroban and dried mols were teachers,%: 77.89 ° C, 7.89 Nn 4.47 N.
    Example 5. Samples of products obtained from preparations 6–9 (Table 3), and a sample of preparation L110 were crushed and pressed at 365–375 ° F. Shock strength was determined on a Izod copra for specimens with dimensions — Healthy Strength on specimens with a size of 1/16 and tensile strength — pa specimens of 1/8. The results are shown in Table. five.
    From the above data it can be seen that the product, obtained from preparation L9 9, is characterized by a lower Izod impact strength compared with other products. This product contains acrylate schistoy elastomer — unstitched styrene – acrnlonitrile copolymer listed in Table. 1, formulation 5, with the divinylbenzene cross-linking agent not being used in the second stage of the process. If, of course, the product contains an ATS with acrylate elastomer ai and styroacrylonitrile copolymer copolymer grafted onto it, the impact strength, tensile strength and
    Number, drug
    burst
    4.38 4.32 4.43 0.80 4.9
    elongation is greatly increased, and the product is resistant to the action of ultraviolet rays, has a good impact sensitivity and can be extruded.
    Example 6. Yes EVA and an example shows that the reaction conditions described in the previous examples contain: It doesn’t impregnate the grafted segments of styrene acryloitrile copolymers to a crosslinked iol (n-butyl acrylate) gel and is very much different from each other.
    A sample of coagulated and dried resin from preparation 5 was extracted with methyl ethyl ketone (MEK) at 50 ° C: for
    These yes: they indicate that 6.74% of acrylonitrile from 7% is taken into account. Hence the content of the graft copolymer

    0.59 6.75
    0.594- 6.15
    Pr and measures 7. This example also shows a low content of styrene-acrylonitrile copolymer grafted on the seeds when using the products of the three-stage herodess.
    The product, which was obtained from preparation 9, was trimmed, fused and completely extracted with methyl ethyl ketone. The insoluble gel was 33.7% by weight, soluble fraction; 16, then the insoluble gel was separated by pentrifugation. The MEK solution was dried for the soluble soluble craque batch. Gel 1 made up 71% of the weight of the resin, having a fraction of 29%. The nitrogen content in the initial resin was determined prior to extraction with methyl etho1-1 lketoi, in the gel and in the solution of the fraction, and recalculated the content of acrylonitrile in the gel and in the soluble phase. The presence of acryloptryl in the gel indicates that some styrene acryloethitrile segmeites were grafted onto the gel of an iol (n-butcheslacrylate). The results of the irivedeia table. 6
    That b l 11 on)
    Amount, %
    tion - 66.3%. The results of the determination of the nitrogen in the initial resin, in the gel and in the ashes obtained in the three-stage process, are given in: 7, as well as a calculation showing the content of the copolymer scored, the percentage of the total number of acrylonitrile a
    17.84
    - X „:
    containing: PIE graft copolymer 1.84
    , 3 „.
    17.84
    Material
    Resin from drug .Ys 9
    Gel Sol Thus, under the reaction conditions oniHcaiHHb in the present invention, about 10.3% of a mixture of styrene and acrylonitrnl are refused by grafting to a cross-linked poly (butyl1-acrylate) network. Thus, the proposed method allows one to obtain impact resistant weatherproof thermoplastic compositions with improved physicomechanical properties. Formula and 3 about the bout I And the method of obtaining a shock-resistant weather-resistant ter, monastic campoization and by emulsion half-merisation of butylacrylate in the presence of a cross-linking agent with a subsequent sololimer at the back of the mixture of -cyrol and acrylo-ipryl in the presence of an acrylate elastomer, and This also means that, with the improvement of the physical and mechanical properties of composites, copolymer with a mixture of styrene and acrylonitrile in the presence of an elastomer is dried in the presence of a crosslinking agent, "further emulsion or Guest-Houses sopolnmerizatsiyu mixture of styrene and acrylonitrile in the presence polpmvra obtained. Sources of information, irinaty in attention ppn exnertize: 1. US Patent jY 3711575, cl. 260-880, published. 1973. 2. US patent L 3517084, cl. 260-881, about -blpk. 1976 (prototype).
    权利要求:
    Claims (1)
    [1]
    Claim
    A method of obtaining a shock-resistant weather-resistant thermoplastic composition by emulsion polymerization of butyl acrylate in the presence of a crosslinking agent followed by copolymerization of a mixture of styrene and acrylonitrile in the presence of an acrylate elastomer, which is isolated in order to improve the physicomechanical properties of the composition, copolymerization of the mixture styrene and acrylo5 nitrile in the presence of an elastomer is carried out in the presence of a crosslinking agent and further emulsion or suspension copolymerization of the mixture is carried out Triol and acrylonitrile in the presence of PHA radiation polymer.
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    同族专利:
    公开号 | 公开日
    IL46330D0|1975-03-13|
    AU7690174A|1976-07-01|
    DE2502755C2|1984-03-15|
    NO147215B|1982-11-15|
    US3944631A|1976-03-16|
    JPS5739253B2|1982-08-20|
    DE2502755A1|1975-08-07|
    DD118099A5|1976-02-12|
    YU39112B|1984-06-30|
    IL46330A|1977-08-31|
    NO147215C|1983-02-23|
    FR2259876B1|1978-04-21|
    CA1057444A|1979-06-26|
    JPS50109283A|1975-08-28|
    NO750306L|1975-08-25|
    SE424188B|1982-07-05|
    IT1036865B|1979-10-30|
    NL7500978A|1975-08-05|
    BE824891A|1975-07-28|
    YU18675A|1982-02-28|
    CS189684B2|1979-04-30|
    FR2259876A1|1975-08-29|
    GB1491096A|1977-11-09|
    SE7501024L|1975-08-04|
    引用文献:
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    优先权:
    申请号 | 申请日 | 专利标题
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