R O-AL O /B O -P O_ GLASSES
    5.
    发明专利

    公开(公告)号:CA1333074C

    公开(公告)日:1994-11-15

    申请号:CA606430

    申请日:1989-07-24

    Applicant: CORNING INC

    Abstract: This invention relates to the preparation of glasses exhibiting low transition temperatures with excellent chemical durability. The glasses consist essentially, in mole%, of: P2O5 44-58 Al2O3+B2O3 4-10 Na2O+Li2O 10-45 Al2O3 0-7 Na2O 10-30 Cu2O 0-20 B2O3 0-10 Li2O 0-30 Li2O+Cu2O 10-30

    ZINC-CONTAINING PHOSPHATE GLASSES

    公开(公告)号:CA1333073C

    公开(公告)日:1994-11-15

    申请号:CA606240

    申请日:1989-07-20

    Applicant: CORNING INC

    Abstract: This invention is directed to the preparation of glasses exhibiting a transition temperature below 450.degree.C, a working temperatures below 500.degree.C, and excellent resistance to attack by water and mild aqueous alkaline solutions. The glasses consist essentially, in mole percent, of: P2O5 28-40 PbO 0-35 ZnO 12-55 SnO 0-35 Al2O3 0-6 PbO+SnO 0-35 Li2O 0-25 CaO 0-10 Na2O 0-25 MnO 0-10 K2O 0-25 MgO 0-10 Li2O+Na2O+K2O 10-35 CaO+Cu2O+MgO 0-10 F 0-5 Cu2O 0-15 B2O3 0-8 At least two alkali metal oxides must be present.

    RARE EARTH-CONTAINING ZINC PHOSPHATE GLASSES

    公开(公告)号:CA2017521A1

    公开(公告)日:1990-12-29

    申请号:CA2017521

    申请日:1990-05-25

    Applicant: CORNING INC

    Abstract: 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 K2O 0-25 P2O5 28-40 Li2O+Na2O+K2O 10-35 Li2O 0-25 Rare earth metal oxide 1-5 Na2O 0-25 At least two alkali metal oxides will most desirably be present.

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