AQUEOUS THERMOSETTING URETHANE COMPOUND FOR YARN COATING AND METHOD OF MANUFACTURING COATED YARN USING THE SAME

• US 20170268166A1
• Filed: 10/16/2014
• Published: 09/21/2017
• Est. Priority Date: 08/22/2014
• Status: Abandoned Application

• Current Assignee: Duksung Co., Ltd., Sambu Fine Chemical Co., Ltd.
• Original Assignee: Duksung Co., Ltd., Sambu Fine Chemical Co., Ltd.
• Inventors: Kim, Sung Jin, Park, Hee Dae
• Application Number:
  US15/505,332
• Publication Number:
  US 20170268166A1
• Time in Patent Office: Days
• CPC Class Codes: C09D 175/04 Polyurethanes
• CPC Class Codes: D02G 3/404 Yarns or threads coated with polymeric solutions
• CPC Class Codes: D06B 3/04 of yarns, threads or filaments
• CPC Class Codes: D06M 11/79 with silicon dioxide, silicic acids or their salts
• CPC Class Codes: D06M 15/263 of unsaturated carboxylic acids; Salts or esters thereof
• CPC Class Codes: D06M 15/564 Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
• CPC Class Codes: D06M 2101/32 Polyesters
• CPC Class Codes: D06M 2101/34 Polyamides
• CPC Class Codes: D06M 2200/35 Abrasion, pilling or fibrillation resistance
• CPC Class Codes: D06M 23/04 Processes in which the treating agent is applied in the form of a foam
• CPC Class Codes: D06P 1/44 using insoluble pigments or auxiliary substances, e.g. binders
• CPC Class Codes: D06P 1/5285 Polyurethanes; Polyurea; Polyguanides
• CPC Class Codes: D10B 2331/10 polyurethanes

Abstract

This invention relates to an aqueous thermosetting urethane compound for yarn coating and a method of manufacturing coated yarn using the same, wherein the compound for yarn coating includes an aqueous thermosetting urethane resin and has pores, and specifically includes 100 parts by weight of an aqueous thermosetting urethane resin, 1.5 to 2.5 parts by weight of a thickener, and 6 to 12 parts by weight of a processing lubricant. Particularly, this invention relates to an aqueous thermosetting urethane compound for yarn coating, having pores formed using a foam mixer or a chemical foaming agent, and to a method of manufacturing coated yarn by coating the surface of yarn with the aqueous thermosetting urethane compound.

Claims

1. An aqueous thermosetting urethane compound for yarn coating, comprising an aqueous thermosetting urethane resin and having pores.

2. The aqueous thermosetting urethane compound of claim 1, comprising 100 parts by weight of an aqueous thermosetting urethane resin, 1.5 to 2.5 parts by weight of a thickener, and 6 to 12 parts by weight of a processing lubricant.

3. The aqueous thermosetting urethane compound of claim 1, wherein the aqueous thermosetting urethane compound has pores formed using a foam mixer so that a density thereof is adjusted to 0.3 to 0.6 g/cm³.

4. The aqueous thermosetting urethane compound of claim 1, wherein the aqueous thermosetting urethane compound has pores formed through post foaming using a chemical foaming agent so that a density thereof is adjusted to 0.3 to 0.6 g/cm³.

5. The aqueous thermosetting urethane compound of claim 1, wherein the aqueous thermosetting urethane resin comprises any one or a mixture of two or more selected from among aqueous thermosetting silicone-modified urethane, aqueous thermosetting polyurethane, and aqueous thermosetting polyacryl urethane.

6. The aqueous thermosetting urethane compound of claim 2, wherein the thickener comprises polyacrylate.

7. The aqueous thermosetting urethane compound of claim 2, wherein the processing lubricant includes a matting agent, a foam stabilizer, a dispersant, and a crosslinking agent.

8. The aqueous thermosetting urethane compound of claim 7, wherein of the processing lubricant, the matting agent is used in an amount of 2.5 to 3.5 parts by weight.

9. The aqueous thermosetting urethane compound of claim 8, wherein the matting agent comprises silica.

10. The aqueous thermosetting urethane compound of claim 1, wherein the aqueous thermosetting urethane compound is added with 8 to 15 parts by weight of a pigment.

11. A method of manufacturing aqueous thermosetting urethane-coated yarn, comprising:

1) mixing an aqueous thermosetting urethane resin with a thickener and a processing lubricant, thus preparing an aqueous thermosetting urethane compound having pores; and

2) coating a surface of yarn with one or more layers of the aqueous thermosetting urethane compound.

12. The method of claim 11, wherein the aqueous thermosetting urethane compound in 1) has pores formed using a foam mixer so that a density thereof is adjusted to 0.3 to 0.6 g/cm³.

13. The method of claim 11, wherein the aqueous thermosetting urethane compound in 1) has pores formed using a chemical foaming agent so that a density thereof is adjusted to 0.3 to 0.6 g/cm³.

15. The method of claim 12, wherein when the aqueous thermosetting urethane compound is formed in multiple layers on the surface of the yarn, the aqueous thermosetting urethane compound having pores is used together with an aqueous thermosetting urethane compound having relatively few pores.

16. The method of claim 15, wherein the aqueous thermosetting urethane compound having pores is applied on the surface of the yarn, and the aqueous thermosetting urethane compound having few pores is sequentially applied on an outer surface thereof.

17. The method of claim 11, wherein the aqueous thermosetting urethane compound in 1) comprises 100 parts by weight of the aqueous thermosetting urethane resin, 1.5 to 2.5 parts by weight of the thickener, and 6 to 12 parts by weight of the processing lubricant.

18. The method of claim 11, wherein the aqueous thermosetting urethane resin comprises any one or a mixture of two or more selected from among aqueous thermosetting silicone-modified urethane, aqueous thermosetting polyurethane, and aqueous thermosetting polyacryl urethane.

19. The method of claim 11, wherein the thickener comprises polyacrylate.

20. The method of claim 11, wherein the processing lubricant includes a matting agent, a foam stabilizer, a dispersant, and a crosslinking agent.

21. The method of claim 20, wherein of the processing lubricant, the matting agent is used in an amount of 2.5 to 3.5 parts by weight.

22. The method of claim 21, wherein the matting agent comprises silica.

23. The method of claim 11, further comprising 8 to 15 parts by weight of a pigment in said mixing step.

14. (canceled)