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High-elasticity heat-resistant chinlon 6 and preparation method

A high-elasticity and heat-resistant technology, which is applied in the preparation of nylon and textile fields, can solve the problems of reduced spinnability of chips, increase of waste yarn rate, spinning end breakage, etc., and achieve good resilience, not easy to damage, and improve toughness.

Inactive Publication Date: 2018-08-24
JIANGSU HONGSHENG NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the subsequent high-speed spinning process, the spinnability of the chips with white spots will be significantly reduced, which will easily cause spinning breakage and the waste yarn rate will increase significantly

Method used

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  • High-elasticity heat-resistant chinlon 6 and preparation method

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Embodiment 1

[0047] A high-elasticity and heat-resistant nylon 6 and its preparation method.

[0048] In order to achieve the above objective, the present invention provides the following technical solutions:

[0049] The high elastic heat-resistant nylon 6 is composed of the following raw materials in parts by weight: 0.6 parts of precipitated barium sulfate, 1.5 parts of diethyl phthalate, 130 parts of caprolactam, 4 parts of expanded polytetrafluoroethylene, and hypophosphorous acid monohydrate 3 parts of sodium, 2 parts of paraformaldehyde, 0.2 parts of 35-37% hydrochloric acid, 4 parts of bisphenol A polycarbonate, 5 parts of aluminum chloride hexahydrate, 0.15 parts of triethylamine, 0.6 parts of ammonium oxalate, 2- 0.8 parts of mercaptan benzimidazole, 2.5 parts of dodecyl mercaptan, 1.5 parts of dodecyl trimethyl ammonium chloride, 26 parts of plant fiber lignin, 2 parts of calcium petroleum sulfonate, 800.2 parts of polysorbate , 1.4 parts of potassium dihydrogen phosphate.

[0050] T...

Embodiment 2

[0067] The high-elasticity and heat-resistant nylon 6 is composed of the following raw materials in parts by weight: 1.2 parts of microcrystalline cellulose, 0.5 parts of diethyl phthalate, 120 parts of caprolactam, 2.5 parts of expanded polytetrafluoroethylene, monohydrate 3 parts of sodium phosphate, 2 parts of paraformaldehyde, 0.2 parts of 30-40% hydrochloric acid, 4 parts of bisphenol A polycarbonate, 5 parts of aluminum chloride hexahydrate, 0.1 part of triethylamine, 0.6 part of ammonium oxalate, 2 -0.7 parts of mercaptan benzimidazole, 2.5 parts of dodecyl mercaptan, 2 parts of dodecyl trimethyl ammonium chloride, 16 parts of plant fiber lignin, 1 part of calcium petroleum sulfonate, polysorbate 800.2 Parts, 1.4 parts of potassium dihydrogen phosphate.

[0068] In the preparation method of the high-elasticity and heat-resistant nylon 6, the steps of the cold treatment are as follows: the further cold treatment in the preparation process is divided into the first freezing ...

Embodiment 3

[0072] The high-elasticity and heat-resistant nylon 6 is composed of the following raw materials in parts by weight: 1.0 part of microcrystalline cellulose, 1.2 parts of diethyl phthalate, 130 parts of caprolactam, 2 parts of expanded polytetrafluoroethylene, monohydrate 3 parts of sodium phosphate, 2 parts of paraformaldehyde, 0.2 parts of 30-40% hydrochloric acid, 4 parts of bisphenol A polycarbonate, 5 parts of aluminum chloride hexahydrate, 0.1 part of triethylamine, 0.6 part of ammonium oxalate, 2 -0.7 parts of mercaptan benzimidazole, 2 parts of dodecyl mercaptan, 1 part of dodecyl trimethyl ammonium chloride, 16 parts of plant fiber lignin, 1.5 parts of calcium petroleum sulfonate, and 800.1 of polysorbate Parts, 1.4 parts of potassium dihydrogen phosphate.

[0073] In the preparation method of the high-elasticity and heat-resistant nylon 6, the step granulation conditions are as follows: further, the melt extrusion granulation conditions in step 10 are: divided into three...

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Abstract

The invention discloses a high-elasticity heat-resistant chinlon 6 and a preparation method, and relates to the technical field of fiber product related technologies. According to preparation of the high-elasticity heat-resistant chinlon 6, organic layered aluminum phosphate is prepared and is added in caprolactam and plant fiber lignin; and due to the special lamellar structure of the layered organic aluminum phosphate, the prepared high-elasticity heat-resistant chinlon 6 is uniformly dispersed in a macromolecular matrix, caprolactam polymerization and uniform distribution can be implemented, a molecular skeleton is stable, and the stability of the chinlon 6 when a material is prepared from the chinlon 6 later is facilitated, for example, uniform dyeing, high temperature resisting, low temperature resisting, difficulty in deformation, reduction of water content, difficulty in dampness, high elasticity, thermal stability and the like are facilitated.

Description

Technical field [0001] The invention relates to the technical field of textiles, in particular to the technical field of nylon preparation, and more particularly to a high-elasticity and heat-resistant nylon 6 and a preparation method. Background technique [0002] Nylon is the trade name of polyamide fiber, also known as nylon, nylon (Nylon), or PA for short. Its basic constituent is an aliphatic polyamide connected by an amide bond—[NHCO]—, which contains repeats in the main chain of the molecule. The amide group-[NHCO]-is the general term for thermoplastic resins, including aliphatic PA, aliphatic-aromatic PA and aromatic PA. Among them, aliphatic PA has many varieties, large output and wide application, and its name is determined by the specific carbon number of the synthetic monomer. The molecular formula of Nylon 6 is -[NH(CH2)5CO]-n, which is soluble in phenol and hot concentrated sulfuric acid. It has excellent electrical insulation performance, good alkali resistance an...

Claims

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Application Information

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IPC IPC(8): C08L77/02C08L1/04C08L97/00C08L27/18C08K13/04C08K7/00C08K5/12C08K5/37C08J7/00C08J7/12
CPCC08J7/00C08J7/12C08J2377/02C08J2401/04C08J2497/00C08L77/02C08L2201/08C08L2201/14C08L2203/12C08L2205/035C08L1/04C08L97/005C08L27/18C08K13/04C08K7/00C08K5/12C08K5/378
Inventor 倪利锋刘国钱阳
Owner JIANGSU HONGSHENG NEW MATERIAL
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