IT1034100B - Safety glass laminated with polyvinyl acetal - treated with modified siloxane, giving better penetration resistance - Google Patents
Safety glass laminated with polyvinyl acetal - treated with modified siloxane, giving better penetration resistanceInfo
- Publication number
- IT1034100B IT1034100B IT2104575A IT2104575A IT1034100B IT 1034100 B IT1034100 B IT 1034100B IT 2104575 A IT2104575 A IT 2104575A IT 2104575 A IT2104575 A IT 2104575A IT 1034100 B IT1034100 B IT 1034100B
- Authority
- IT
- Italy
- Prior art keywords
- treated
- polyvinyl acetal
- modified siloxane
- safety glass
- glass
- Prior art date
Links
Landscapes
- Joining Of Glass To Other Materials (AREA)
- Laminated Bodies (AREA)
Abstract
A glass laminate consists of 2 sheets of glass bonded together by a layer of a plasticised polyvinyl acetal (polyvinyl butyral) treated with (a) a modified siloxane contg. 1-30(2-20) of each of the units: (where R1, R2 and R3 are hydrocarbon gps. (1-5C alkyl or phenyl), A is a (hydroxy-) is not > 20C(2-5C) alkylene gp. or a (hydroxy-) is not > 250C(6-100C) oxyalkylene gp., and B is OH, where R4 and R5 are alkyl gps. (pref. 1-5C), and A is oxyalkyelen if B is OH, or (b) the modified silane in combination with an alkali(ne earth) salt of a mono- or di-carboxylic acid. The laminated glass has higher resistance to penetration, without loss of transparency, or lowered resistance to ageing or weathering. The water contnt of the intermediate layer is not critical. The laminate is a safety glass or vehicles, boats or buildings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2104575A IT1034100B (en) | 1974-03-09 | 1975-03-07 | Safety glass laminated with polyvinyl acetal - treated with modified siloxane, giving better penetration resistance |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2740674A JPS5529950B2 (en) | 1974-03-09 | 1974-03-09 | |
JP2740774A JPS5318207B2 (en) | 1974-03-09 | 1974-03-09 | |
IT2104575A IT1034100B (en) | 1974-03-09 | 1975-03-07 | Safety glass laminated with polyvinyl acetal - treated with modified siloxane, giving better penetration resistance |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1034100B true IT1034100B (en) | 1979-09-10 |
Family
ID=27273131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2104575A IT1034100B (en) | 1974-03-09 | 1975-03-07 | Safety glass laminated with polyvinyl acetal - treated with modified siloxane, giving better penetration resistance |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1034100B (en) |
-
1975
- 1975-03-07 IT IT2104575A patent/IT1034100B/en active
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