Synthetic resin powder and coating agents containing the same
    1.
    发明授权
    Synthetic resin powder and coating agents containing the same 失效
    合成树脂粉末和含有它的包衣剂

    公开(公告)号:US4268549A

    公开(公告)日:1981-05-19

    申请号:US56541

    申请日:1979-07-11

    摘要: What is disclosed is a synthetic resin powder of latex particles having an average particle size between 1 micron and 5 microns, which particles can be partially or completely loosely aggregated to form larger particles, said synthetic resin being a cross-linked copolymer of 75 to 99.5 percent by weight of a monomer mixture of methyl methacrylate and isobutyl methacrylate in a weight ratio of 1:3 to 3:1, 0.5 to 10 percent by weight of a cross-linking comonomer having at least two polymerizable double bonds, and 0 to 24.5 percent by weight of a further different ethylenically-unsaturated comonomer copolymerizable therewith, a coating agent containing a binder dissolved or dispersed therein together with such a resin powder, and a method of coating using such a coating agent to give coatings wherein the presence of the resin powder prevents blocking of the coatings without undue loss of luster therein.

    摘要翻译: 公开的是具有1微米至5微米平均粒度的胶乳颗粒的合成树脂粉末,该颗粒可以部分或完全松散聚集形成较大的颗粒,所述合成树脂为75至99.5的交联共聚物 重量比的甲基丙烯酸甲酯和甲基丙烯酸异丁酯的重量比为1:3至3:1的单体混合物,0.5至10重量%的具有至少两个可聚合双键的交联共聚单体,和0至24.5重量% 可与其共聚的其它不同的烯键式不饱和共聚单体的重量百分数,含有与这种树脂粉末一起溶解或分散在其中的粘合剂的涂布剂以及使用这种涂布剂进行涂布的方法,得到其中存在树脂 粉末可以防止涂层的堵塞,而不会在其中过多的光泽损失。

    Resin dispersions having high pigment binding capacity
    3.
    发明授权
    Resin dispersions having high pigment binding capacity 失效
    具有高颜料结合能力的树脂分散体

    公开(公告)号:US4395515A

    公开(公告)日:1983-07-26

    申请号:US334228

    申请日:1981-12-24

    摘要: What are disclosed are methods for making an aqueous dispersion of a synthetic resin copolymer, said dispersion having high pigment binding capacity and adaptable to use in the preparation of printing inks or pastes, said copolymer comprising a predominant amount of water insoluble monomers together with from 3 to 8 percent by weight of an acid component which is a water soluble acid or salt, which method comprises gradually adding said water insoluble monomers, together with a portion of said acid component, to an aqueous medium containing the balance of the acid component in the form of a dissolved water soluble salt; aqueous synthetic resin dispersions made by these methods; and printing inks comprising such an aqueous synthetic resin dispersion which has been neutralized and combined with such an amount of an organic solvent as converts the dispersion into a solution or colloidal dispersion of the synthetic resin.

    摘要翻译: 所公开的方法是制备合成树脂共聚物的水分散体的方法,所述分散体具有高的颜料结合能力并且适用于制备印刷油墨或浆料,所述共聚物包含主要量的水不溶性单体和3 至8重量%的作为水溶性酸或盐的酸组分,该方法包括将所述水不溶性单体与一部分所述酸组分逐渐加入到含有余量的酸组分的水性介质中 溶解的水溶性盐的形式; 通过这些方法制备的水性合成树脂分散体; 以及包含这样的水性合成树脂分散体的印刷油墨,其被中和并与这种量的有机溶剂组合以将分散体转化为合成树脂的溶液或胶体分散体。

    Two-layered packaging material for foodstuffs one layer of which
comprises a polymer blend
    4.
    发明授权
    Two-layered packaging material for foodstuffs one layer of which comprises a polymer blend 失效
    用于食品的两层包装材料,其一层包含聚合物共混物

    公开(公告)号:US4525418A

    公开(公告)日:1985-06-25

    申请号:US444723

    申请日:1982-11-26

    IPC分类号: A22C13/00 B32B27/12 B32B27/36

    摘要: What is disclosed is a two-layered packaging material for the direct contact packing of food products, said material comprising cloth coated with a first acrylate emulsion polymer, formulated to be soft, comprising:(a) at least 90 weight percent, based on the total first polymer, of a lipophilic monomer component comprising an ester of acrylic acid and/or of methacrylic acid with a lower alkanol, and from 0 to 10 weight percent, based on said lipophilic component, of a further comonomer, the methyl methacrylate content of said lipophilic component not exceeding 40 weight percent of said total first polymer;(b) a hydrophilic monomer component having acidic properties, in an amount from 0 to 5 weight percent, based on the total first polymer; and(c) a crosslinking monomer component, in an amount from 0 to 7 weight percent, based on the total first polymer. The emulsion polymer may be used in combination with a second emulsion polymer which is an acrylic resin formulated to be harder than said first polymer, and/or with a third emulsion polymer which acts as a drying agent.

    摘要翻译: 所公开的是用于食品的直接接触包装的双层包装材料,所述材料包括涂布有柔软的第一丙烯酸酯乳液聚合物的布,其包含:(a)基于 总共第一聚合物,包含丙烯酸和/或甲基丙烯酸的酯与低级链烷醇的亲脂性单体组分和基于所述亲脂性组分的0至10重量%的另一共聚单体,甲基丙烯酸甲酯含量 所述亲脂性组分不超过所述总第一聚合物的40重量% (b)基于总第一聚合物,具有0至5重量%的具有酸性的亲水单体组分; 和(c)基于总第一聚合物的量为0至7重量%的交联单体组分。 乳液聚合物可以与配制成比所述第一聚合物更硬的丙烯酸树脂的第二乳液聚合物和/或用作干燥剂的第三乳液聚合物组合使用。

    Method of making emulsion polymers
    5.
    发明授权
    Method of making emulsion polymers 失效
    乳液聚合物的制备方法

    公开(公告)号:US4448945A

    公开(公告)日:1984-05-15

    申请号:US534939

    申请日:1983-09-26

    CPC分类号: C08F2/24 C08F2/26

    摘要: What are disclosed are a method for making an emulsion polymer by polymerizing water insoluble free-radically polymerizable monomers, or monomer mixtures predominantly comprising such monomers, by emulsion polymerization in the presence of a polymerization initiator which is soluble in organic solvents and has at least limited solubility in water, and in the further presence of a free non-polymerizable emulsifying acid, also soluble in organic solvents, and the conversion of such an emulsion polymer by spray drying into a polymer powder which is completely soluble in organic solvents to form clear solutions from which polymer films of reduced water sensitivity can be formed.

    摘要翻译: 所公开的是通过在可溶于有机溶剂的聚合引发剂存在下通过乳液聚合聚合水不溶性可自由基聚合单体或主要包含这些单体的单体混合物来制备乳液聚合物的方法,并且至少有限 在水中的溶解度以及还可溶于有机溶剂的游离不可聚合乳化酸的存在下,并且通过喷雾干燥将这种乳液聚合物转化成完全可溶于有机溶剂的聚合物粉末以形成澄清溶液 由此可以形成降低水敏感度的聚合物膜。

    Resin coated fabric for foodstuff casings
    8.
    发明授权
    Resin coated fabric for foodstuff casings 失效
    用于食品肠衣的树脂涂层织物

    公开(公告)号:US5246750A

    公开(公告)日:1993-09-21

    申请号:US848394

    申请日:1992-03-09

    IPC分类号: A22C13/00 B32B29/02 B65D65/40

    摘要: A method for making a fabric coated with acrylic resin and adaptable to use as a wrap for food products such as cheese or sausage, which comprises embedding a textile material of relatively low strength, such as a knitted fabric, scrim, or lightweight nonwoven fabric, in a coating layer of acrylic resin having thermoplastic properties, and for making a food wrap by cutting a blank therefor from such coated fabric, which blank is shaped into a wrap by heat sealing; fabrics and wraps made by such a method.

    摘要翻译: 一种制造用丙烯酸树脂涂布的织物并适用于诸如干酪或香肠的食品的包装物的方法,其包括将针织物,稀松布或轻质无纺织物等相对低强度的纺织材料嵌入, 在具有热塑性的丙烯酸树脂的涂层中,通过从这样的涂布织物上切割坯料来制作食品包装,该坯料通过热封成形为包装物; 通过这种方法制成的织物和包装。