Composite photochromic lenses
    1.
    发明授权
    Composite photochromic lenses 失效
    复合光致变色镜片

    公开(公告)号:US4581288A

    公开(公告)日:1986-04-08

    申请号:US694081

    申请日:1985-01-23

    IPC分类号: C08K3/40 B32B27/04 G02B27/00

    摘要: The instant invention is concerned with the production of essentially transparent glass/plastic composite articles. The articles consist of glass particles having water-free surfaces and dimensions of about 0.5-100 microns dispersed within a plastic matrix, the glass particles constituting up to 50% by weight of the articles and having a refractive index appropriate to or compatible with the plastic matrix.

    摘要翻译: 本发明涉及生产基本透明的玻璃/塑料复合制品。 这些制品由具有无水表面和尺寸分散在塑料基质中的约0.5-100微米的玻璃颗粒组成,玻璃颗粒占制品重量的50%,具有适合或与塑料相容的折射率 矩阵。

    Method of making photochromic lenses
    2.
    发明授权
    Method of making photochromic lenses 失效
    制造光致变色镜片的方法

    公开(公告)号:US4622184A

    公开(公告)日:1986-11-11

    申请号:US814041

    申请日:1985-12-27

    IPC分类号: C08K3/40 G02B5/23 B29D11/00

    CPC分类号: G02B5/23 C08K3/40

    摘要: The instant invention is concerned with the production of essentially transparent glass/plastic composite articles. The articles consist of glass particles having water-free surfaces and dimensions of about 0.5-100 microns dispersed within a plastic matrix, the glass particles constituting up to 50% by weight of the articles and having a refractive index appropriate to or compatible with the plastic matrix.

    摘要翻译: 本发明涉及生产基本透明的玻璃/塑料复合制品。 这些制品由具有无水表面和尺寸分散在塑料基质中的约0.5-100微米的玻璃颗粒组成,玻璃颗粒占制品重量的50%,具有适合或与塑料相容的折射率 矩阵。

    Alkali zinc aluminophosphate glass-ceramics
    3.
    发明授权
    Alkali zinc aluminophosphate glass-ceramics 失效
    碱式磷酸铝玻璃陶瓷

    公开(公告)号:US4874724A

    公开(公告)日:1989-10-17

    申请号:US258673

    申请日:1988-10-17

    CPC分类号: C03C10/00

    摘要: This invention is directed to the production of glass-ceramic articles exhibiting an apparent annealing point in excess of 400.degree. C. and excellent resistance to moisture attack, the articles consisting essentially, in mole percent, of:______________________________________ Li.sub.2 O 5-25 ZnO 35-50 Na.sub.2 O 0-15 Al.sub.2 O.sub.3 0.75-6 K.sub.2 O 0-10 P.sub.2 O.sub.5 29-37. Li.sub.2 O + Na.sub.2 O + K.sub.2 O 5-25 ______________________________________

    摘要翻译: 本发明涉及玻璃陶瓷制品的制造,该玻璃陶瓷制品具有超过400℃的表观退火点和优异的耐水分侵蚀性,该制品基本上以摩尔百分比计:-Li2O 5-25 ZnO 35- 50 -Na2O 0-15 Al2O3 0.75-6-K2O 0-10 P2O5 29-37。 -Li2O + Na2O + K2O 5-25 -

    Rare earth-containing zinc phosphate glasses
    6.
    发明授权
    Rare earth-containing zinc phosphate glasses 失效
    稀土磷酸锌眼镜

    公开(公告)号:US4996172A

    公开(公告)日:1991-02-26

    申请号:US372764

    申请日:1989-06-29

    IPC分类号: C03C3/16 C03C3/17

    CPC分类号: C03C3/16 C03C3/17

    摘要: This invention is concerned with the preparation of glasses exhibiting transition temperatures below 450.degree. C., working temperatures below 500.degree. C., and exceptional resistance to mild aqueous alkaline solutions consisting essentially, expressed in terms of mold percent on the oxide basis, of:______________________________________ ZnO 12-55 K.sub.2 O 0-25 P.sub.2 O.sub.5 28-40 Li.sub.2 O + Na.sub.2 O + K.sub.2 O 10-35 Li.sub.2 O 0-25 Rare earth metal oxide 1-5 Na.sub.2 O 0-25 ______________________________________ At least two alkali metal oxides will most desirably be present.

    Zinc-containing phosphate glasses
    10.
    发明授权
    Zinc-containing phosphate glasses 失效
    含锌磷酸盐玻璃

    公开(公告)号:US4940677A

    公开(公告)日:1990-07-10

    申请号:US456550

    申请日:1989-12-26

    IPC分类号: C03C3/16 C03C3/17 C03C3/19

    CPC分类号: C03C3/17 C03C3/16 C03C3/19

    摘要: This invention is directed to the preparation of glasses exhibiting a transition temperature below 450.degree. C., a working temperature below 500.degree. C., and excellent resistance to attack by water and mild aqueous alkaline solutions. The glasses consist essentially, in mole percent, of at least 65% total of 23-55% ZnO, 28-40% P.sub.2 O.sub.5, and 10-35% R.sub.2 O, wherein R.sub.2 O consists of at least two alkali metal oxides in the indicated proportions selected from the group consisting of 0-25% Li.sub.2 O, 0-25% Na.sub.2 O, and 0-25% K.sub.2 O, and up to 35% total of optional ingredients in the indicated proportions selected from the group consisting of 0-6% Al.sub.2 O.sub.3, 0-8% B.sub.2 O.sub.3, 0-8% Al.sub.2 O.sub.3 +B.sub.2 O.sub.3, 0-15% Cu.sub.2 O, 0-5% F, 0-35% PbO, 0-35% SnO, 0-35% PbO+SnO, 0-5% ZrO.sub.2, 0-4% SiO.sub.2, and 0-15% MgO+CaO+SrO+BaO+MnO, consisting of 0-10% MgO, 0-10% CaO, 0-10% SrO, 0-12% BaO, and 0- 10% MnO.

    摘要翻译: 本发明涉及玻璃转变温度低于450℃,工作温度低于500℃的玻璃的制备,以及耐水和温和的碱性水溶液的优异抗性。 玻璃基本上以摩尔百分数计至少65%的23-55%的ZnO,28-40%的P 2 O 5和10-35%的R 2 O,其中R 2 O由至少两种选定的指定比例的碱金属氧化物组成 来自由0-25%Li 2 O,0-25%Na 2 O和0-25%K 2 O组成的组,以及以指定比例选择的至多35%的任选成分的总量,所述比例选自0-6%Al2O3,0 -8%B2O3,0-8%Al2O3 + B2O3,0-15%Cu2O,0-5%F,0-35%PbO,0-35%SnO,0-35%PbO + SnO,0-5%ZrO2 ,0-4%SiO2和0-15%MgO + CaO + SrO + BaO + MnO,由0-10%MgO,0-10%CaO,0-10%SrO,0-12%BaO和0 - 10%MnO。