초록 ▼

A horticultural growing medium comprises a polyisocyanate-polyol-based polymer, and at least one filler material. A method of making a horticultural growing medium comprises the steps of mixing at least one filler material with a polyisocyanate-polyol-based quasi-prepolymer composition, to form a qu

A horticultural growing medium comprises a polyisocyanate-polyol-based polymer, and at least one filler material. A method of making a horticultural growing medium comprises the steps of mixing at least one filler material with a polyisocyanate-polyol-based quasi-prepolymer composition, to form a quasi-prepolymer/filler mixture and applying water to the quasi-prepolymer/filler mixture to form a hydrophilic growing medium. A method of growing plant seedlings comprising planting a seed or seedling in a horticultural growing medium containing a hydrophilic polyisocyanate-polyol-based polymer and at least one filler material, is also disclosed. A hydrophilic urethane polymer comprises the reaction product of a quasi-prepolymer and water wherein the quasi-prepolymer contains an isocyanate and a hydrophilic polyol. A method of making a hydrophilic polyurethane comprises the steps of adding a hydrophilic polyol to an isocyanate, mixing the polyol and isocyanate to form a quasi-prepolymer, and contacting the quasi-prepolymer with water.

대표청구항 ▼

1. A horticultural growing medium consisting essentially of:a hydrophilic polyisocyanate-polyol-based polymer, at lease one filler material selected from the group consisting of earth, sand, pear moss, saw dust, manure, compost, limestone, coir, ground foam, and gypsum, and optionally, at least one

1. A horticultural growing medium consisting essentially of:a hydrophilic polyisocyanate-polyol-based polymer, at lease one filler material selected from the group consisting of earth, sand, pear moss, saw dust, manure, compost, limestone, coir, ground foam, and gypsum, and optionally, at least one component selected from the group consisting of wetting agents, trace elements, fertilizers, fungicides, herbicides, insecticides, and pigments, wherein said horticultural growing medium is a hydrophilic polyurethane-based growing medium capable of supporting plant growth.