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 0-7 B2O3 0-10 Al2O3+B2O3 4-10 Na2O 10-30 Li2O 0-30 Na2O+Li2O 10-45 Cu2O 0-20 Li2O+Cu2O 10-30 l
展开▼
机译：本发明涉及具有低的转变温度和优异的化学耐久性的玻璃的制备。所述玻璃基本上以摩尔％组成：P 2 O 5 44-58 Al 2 O 3 0-7 B 2 O 3 0-10 Al 2 O 3 + B 2 O 3 4-10 Na 2 O 10-30 Li 2 O 0-30 Na 2 O + Li 2 O 10-45 Cu 2 O 0-20 Li 2 O + Cu 2 O 10-30升
展开▼
