IT1037384B - Coating glass containers with phosphoric acid - and a stearate or polymer to protect surfaces against abrasion - Google Patents
Coating glass containers with phosphoric acid - and a stearate or polymer to protect surfaces against abrasionInfo
- Publication number
- IT1037384B IT1037384B IT2237175A IT2237175A IT1037384B IT 1037384 B IT1037384 B IT 1037384B IT 2237175 A IT2237175 A IT 2237175A IT 2237175 A IT2237175 A IT 2237175A IT 1037384 B IT1037384 B IT 1037384B
- Authority
- IT
- Italy
- Prior art keywords
- phosphoric acid
- stearate
- polymer
- against abrasion
- glass containers
- Prior art date
Links
Landscapes
- Surface Treatment Of Glass (AREA)
Abstract
A glass container is coated to protect its surface against abrasion with an aq. soln. of ortho phosphoric acid at a concn. of 0.5-10 (1-4)wt%, the container being held at 300 (300-700) degrees C pref. 450-650 degrees C followed by a coating in the cold zone of a metal stearate. The treatment is esp. for bottles destined to contain fizzy drinks but also for jugs glass tanks, goblets, drinking glasses etc. An abrasion resistant surface which is not opaque as in prior art can be formed using phosphoric acid, the loss of clarity being low if not zero when conditions are judiciously chosen.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2237175A IT1037384B (en) | 1975-04-15 | 1975-04-15 | Coating glass containers with phosphoric acid - and a stearate or polymer to protect surfaces against abrasion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2237175A IT1037384B (en) | 1975-04-15 | 1975-04-15 | Coating glass containers with phosphoric acid - and a stearate or polymer to protect surfaces against abrasion |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1037384B true IT1037384B (en) | 1979-11-10 |
Family
ID=11195344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2237175A IT1037384B (en) | 1975-04-15 | 1975-04-15 | Coating glass containers with phosphoric acid - and a stearate or polymer to protect surfaces against abrasion |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1037384B (en) |
-
1975
- 1975-04-15 IT IT2237175A patent/IT1037384B/en active
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