WATER FREE OR LOW WATER, PARTIALLY CRYSTALLINE, SOLID AT ROOM TEMPERATURE GLUE (VERSIONS)
gluing substances. SUBSTANCE: invention describes water free or low, partially crystalline, solid at the room temperature glue consisting of 25-100 wt.% of binding agent providing form of substance and comprising polymers carrying ester groups and 0-75 wt.% of additional agents and glue has: (a) cry...
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Main Authors | , , , , , , , |
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Format | Patent |
Language | English |
Published |
20.09.2002
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Summary: | gluing substances. SUBSTANCE: invention describes water free or low, partially crystalline, solid at the room temperature glue consisting of 25-100 wt.% of binding agent providing form of substance and comprising polymers carrying ester groups and 0-75 wt.% of additional agents and glue has: (a) crystallization degree determining by differential scanning calometric measurement in the range from minus 40 C to plus 120 C with corresponding melting enthalpy value 10-150 mJ/mg; (b) at least one crystallization point determining by differential scanning calometric measurement and equal to 20-110 C and also (c) crystallization rate from some seconds to some days determining by visual observation in polarization microscope. Variant of proposed glue involves that a binding agent is polyurethane or a mixture of polyurethanes. Glue is used preferable as a pencil and has to be useful for paper gluing being substrates can be easily detached if necessary. EFFECT: improved properties of glue. 2 cl, 2 tbl, 3 ex |
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Bibliography: | Application Number: RU19970121889 |