Systems and methods for processing and dispensing filled multi-component materials
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United States of America Patent
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Aug 23, 2016
Grant Date -
Jul 10, 2014
app pub date -
Jul 21, 2011
filing date -
Jul 21, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Multi-component materials are substantially homogeneous and fully curable and comprise an elastic filler, an isocyanate curing agent, and a polyol resin ingredient that when combined produce a polymeric matrix, polyurethane and/or polyurea, having the filler dispersed therein. The material has a variation in polyisocyanate weight ratio of up to 350%. The filler is ground rubber tire particles sized 20 mesh or smaller. The mix weight ratio of the curing agent to resin ingredient is from about 40:100 to 140:100. The material is made and dispensed using a system configured to combine a heated mixture of the resin and filler with the curing agent at a desired variable mix ratio. A controller is used to provide the desired mix ratio and permits “on the fly” adjustment of the mix ratio while the resin and curing agent is being dispensed.
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International Classification(s)
- B05C:APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MAT....
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- B05B:SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B01F:MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- B67D:DISPENSING, DELIVERING, OR TRANSFERRING LIQUIDS, N....
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