Glass fiber and thermoplastic resin composition
AssigneesAsahi Glass Company, Limited, Asahi Fiber Glass Company, Limited
InventorsHideki Nakagawa, Yoshiro Niino, Yoshinao Kobayashi
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Abstract
Glass fiber which substantially has the following composition as represented by mol percentage and has a glass transition temperature higher than 300° C. and lower than 400° C.: Li2O+Na2O+K2O: 5 to 35%, P2O5: 20 to 27%, SO3: 3 to 20%, ZnO: 10 to 55%, MgO: 0 to 20%, ZnO+MgO: 10 to 55%, Al2O3: 1 to 5%, and B2O3: 8 to 20%.
Claims17
Glass fiber which comprises the following composition as represented by mol percentage and has a glass transition temperature higher than 300° C. and lower than 400° C.:
- Li2O+Na2O+K2O:
- 5 to 35%, P2O5:
- 20 to 27%, SO3:
- 3 to 20%, ZnO:
- 10 to 55%, MgO:
- 0 to 20%, ZnO+MgO:
- 10 to 55%, Al2O3:
- 1 to 5%, and B2O3:
- 8 to 20%.
A thermoplastic resin composition comprising 100 parts by mass of a thermoplastic resin and from 1 to 400 parts by mass of glass fiber which comprises the following composition as represented by mol percentage and has a glass transition temperature higher than 300° C. and lower than 400° C.:
- Li2O+Na2O+K2O:
- 5 to 35%, P2O5:
- 20 to 27%, SO3:
- 3 to 20%, ZnO:
- 10 to 55%, MgO:
- 0 to 20%, ZnO+MgO:
- 10 to 55%, Al2O3:
- 1 to 5%, and B2O3:
- 8 to 20%.
Dependencies are inferred from the claim text.