Process for Forming Synthetic Leather
US-2021180246-A1 · Jun 17, 2021 · US
US2022010050A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2022010050-A1 |
| Application number | US-202017029148-A |
| Country | US |
| Kind code | A1 |
| Filing date | Sep 23, 2020 |
| Priority date | Jul 13, 2020 |
| Publication date | Jan 13, 2022 |
| Grant date | — |
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A functional resin material is manufactured by the following reagents including a polyol, a polyamine, a first cross-linking agent, a second cross-linking agent, and a nanocellulose. Each of the first cross-linking agent and the second cross-linking agent includes an isocyanate block. The nanocellulose includes a repeating unit represented by formula (1),
Opening claim text (preview).
What is claimed is: 1 . A functional resin material, manufactured by the following reagents: a polyol; a polyamine; a first cross-linking agent, wherein the first cross-linking agent comprises an isocyanate block; a second cross-linking agent, wherein the second cross-linking agent comprises an isocyanate block; and a nanocellulose, wherein the nanocellulose comprises a repeating unit represented by formula (1), 2 . The functional resin material of claim 1 , wherein a particle diameter of the nanocellulose is between 16 nm and 20 nm. 3 . The functional resin material of claim 1 , wherein an average molecular weight of the polyamine is between 600 g/mole and 8000 g/mole. 4 . The functional resin material of claim 1 , wherein the first cross-linking agent and the second cross-linking agent have a same molecular structure. 5 . The functional resin material of claim 1 , wherein an average molecular weight of the polyol is between 2000 g/mole and 10000 g/mole. 6 . The functional resin material of claim 1 , wherein the polyol is a ether polyol comprising polyethylene glycol, polypropylene glycol, or poly(tetramethylene ether) glycol. 7 . The functional resin material of claim 1 , wherein the polyamine comprises fatty amine, polyetheramine, polyamide, or polyimide. 8 . The functional resin material of claim 7 , wherein the fatty amine is hexamethylenediamine, diethylhexamethylenediamine, trimethylhexamethylenediamine, heptamethylenediamine, trimethylethylenediamine, nonamethylenediamine, tetramethylethylenediamine, tetraethylethylenediamine, laurylamine dipropylenediamine, diethylenetriamine, triethylenetetramine, or polyethyleneimine. 9 . A manufacturing method of a functional resin material, comprising: performing a first thermal process to mix a polyol, a first cross-linking agent, and a nanocellulose, such that a first mixture is formed, wherein a reaction temperature of the first thermal process is between 90° C. and 120° C.; performing a second thermal process to mix the first mixture and a second mixture, such that the functional resin material is formed, wherein the second mixture comprises a second cross-linking agent and a polyamine, and a reaction temperature of the second thermal process is between 120° C. and 150° C. 10 . The manufacturing method of the functional resin material of claim 9 , wherein the first cross-linking agent and the second cross-linking agent have a same molecular structure. 11 . The manufacturing method of the functional resin material of claim 9 , wherein each of the first cross-linking agent and the second cross-linking agent comprises a structural unit represented by formula (2), wherein any two or more of the R 1 , R 2 , and R 3 comprises an isocyanate block. 12 . The manufacturing method of the functional resin material of claim 11 , wherein an usage amount of the first cross-linking agent is between 2.2 parts by weight and 2.6 parts by weight, and an usage amount of the second cross-Finking agent is between 0.4 parts by weight and 0.8 parts by weight. 13 . The manufacturing method of the functional resin material of claim 9 , wherein an usage amount of the polyol is between 0.5 parts by weight and 1.5 parts by weight, an usage amount of the polyamine is between 2 parts by weight and 4 parts by weight, and an usage amount of the nanocellulose is between 0.01 parts by weight and 0.05 parts by weight. 14 . The manufacturing method of the functional resin material of claim 9 , wherein each of the first cross-linking agent and the second cross-linking agent comprises an isocyanate block, each of the polyol and the nanocellulose comprises a hydroxyl group, and a ratio of a total number of the isocyanate block to a total number of the hydroxyl group is between 1.0 and 2.5. 15 . The manufacturing method of the functional resin material of claim 9 , wherein a reaction time of the first thermal process is between 10 minutes and 30 minutes, and a reaction time of the second thermal process is between 2 minutes and 5 minutes. 16 . A moisture-sensed shrinking fabric, manufactured by a manufacturing method comprising the following steps: performing a first thermal process to mix a polyol, a first cross-linking agent, and a nanocellulose, such that a first mixture is formed, wherein a reaction temperature of the first thermal process is between 90° C. and 120° C.; mixing the first mixture and a second mixture, such that a third mixture is formed, wherein the second mixture comprises a second cross-linking agent and a polyamine; dipping a base cloth into the third mixture, such that the third mixture covers the base cloth and infiltrates into the base cloth; and performing a second thermal process, such that the third mixture is formed into a functional resin material, and the functional resin material is disposed on the base cloth to form the moisture-sensed shrinking fabric, wherein a reaction temperature of the second thermal process is between 120° C. and 150° C. 17 . The moisture-sensed shrinking fabric of claim 16 , wherein the base cloth has at least two layers, and the functional resin material is disposed between the two layers of the base cloth. 18 . The moisture-sensed shrinking fabric of claim 16 , wherein a particle diameter of the nanocellulose is between 16 nm and 20 nm. 19 . The moisture-sensed shrinking fabric of claim 16 , wherein an average molecular weight of the polyamine is between 600 g/mole and 8000 g/mole. 20 . The moisture-sensed shrinking fabric of claim 16 , wherein a viscosity of the third mixture is between 5 cP and 25 cP.
Polyamines {polyimines} · CPC title
Reaction products of isocyanates with polyethers · CPC title
Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them · CPC title
Cellulose or derivatives thereof · CPC title
Polyesters · CPC title
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