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Novel PET material and preparation method thereof, pellet and fiber product

A new type of pellet technology, applied in the field of PET materials, can solve the problems of flammability of PET fibers, and achieve the effect of easy operation, wide promotion and application, and improved flame retardant effect.

Active Publication Date: 2020-03-24
东莞市道尔新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

PET fiber is flammable, and there have been many fire accidents in textiles

Method used

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  • Novel PET material and preparation method thereof, pellet and fiber product
  • Novel PET material and preparation method thereof, pellet and fiber product
  • Novel PET material and preparation method thereof, pellet and fiber product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1: a kind of novel PET fiber preparation method that this embodiment provides, it comprises the following steps:

[0029] (1) 1 part of 5-chloro-2-methyl-4-isothiazolin-3-one derivative (R 1 :-CH 3 ; 2 :-H), 1 part of sodium hydroxide was added to 50 parts of water, heated to 80°C and vigorously stirred, added to 60 parts of 1 part of isocyanurate and 1 part of sodium hydroxide dissolved in 5 times within 12 hours For suspension in water, stir vigorously and heat to 90°C, keep warm until 3 hours after the addition is completed, cool, and after standing overnight, concentrate the solution in vacuo to enrich the residual components, add boiling N,N-dimethylformaldehyde The amide is dissolved, cooled after filtration, and rotary evaporated to obtain isocyanurate derivatives modified by isothiazolinone (IR: 1641cm -1 :-C=C-exists; 637cm -1 :-C-S-exists), denoted as A;

[0030] (2) Dissolve 1 part of A and 1 part of sodium hydroxide in 80 parts of water, stir...

Embodiment 2

[0033] Embodiment 2: a kind of novel PET fiber preparation method that this embodiment provides, it comprises the following steps:

[0034] (1) 1.2 parts of 5-chloro-2-methyl-4-isothiazolin-3-one derivatives (R 1 :-C 6 h 11 ; 2 :-F), 1 part of sodium hydroxide was added to 50 parts of water, heated to 90 ° C and vigorously stirred, and added to 60 parts of 1 part of isocyanurate and 1 part of sodium hydroxide dissolved in 3 times within 8 hours For suspension of water, stir vigorously and heat to 95°C, keep warm until 3 hours after the addition is completed, cool, and stand overnight, then concentrate the solution in vacuo, the residual components are enriched, add boiling isopropanol to dissolve, filter Cooling, rotary steaming, obtained isocyanurate derivatives modified by isothiazolinone (IR: 1641cm -1 :-C=C-exists; 637cm -1 :-C-S-exists), denoted as A;

[0035] (2) Dissolve 1 part of A and 1 part of sodium hydroxide in 80 parts of water, stir the suspension vigorousl...

Embodiment 3

[0038] Embodiment 3: a kind of novel PET fiber preparation method that this embodiment provides, it comprises the following steps:

[0039] (1) 1.1 parts of 5-chloro-2-methyl-4-isothiazolin-3-one derivatives (R 1 :-C 6 h 5 ; 2 :-Cl), 1 part of sodium hydroxide was added to 50 parts of water, heated to 70°C and vigorously stirred, and added to 60 parts of dissolved 1 part of isocyanurate and 1 part of sodium hydroxide in 4 times within 10 hours. For suspension in water, stir vigorously and heat to 93°C, keep warm until 3 hours after the addition is completed, cool, and after standing overnight, concentrate the solution in vacuo to enrich the residual components, add boiling dioxane to dissolve, filter After cooling, rotary steaming, obtain isothiazolinone modified isocyanurate derivatives (IR: 1641cm -1 :-C=C-exists; 637cm -1 :-C-S-exists), denoted as A;

[0040] (2) Dissolve 1 part of A and 1 part of sodium hydroxide in 80 parts of water, stir the suspension vigorously a...

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Abstract

The invention discloses a novel PET material and a preparation method thereof, a pellet and a fiber product. According to the invention, isocyanurate, a 5-chloro-2-methyl-4-isothiazolin-3-one derivative, chloroethanol, terephthalic acid and ethylene glycol are used as raw materials, so the defect that traditional PET fibers have single and insufficient performance is overcome; meanwhile, reactionsteps are simple, operation is easy, and the defect of single performance of the traditional PET fibers are is overcome by adjusting the structure of a polymer; due to the addition of isocyanurate, the reaction activity of -NH2 is high, -NH2 can serve as a reaction center, high nitrogen content is obtained, and outstanding effect on the flame retardance of the material is achieved; as the 5-chloro-2-methyl-4-isothiazolin-3-one derivative is added, broad-spectrum bactericidal and mildew-proof effects are obtained, and the flame-retardant effect of the material can be further improved due to theexistence of N in a five-membered ring; in addition, the existence of different substituent groups endows the molecular structure of the material with flexibility, so the wide popularization and application of the material are facilitated.

Description

technical field [0001] The invention relates to the technical field of PET materials, in particular to a novel PET material, a preparation method thereof, pellets and fiber products. Background technique [0002] Due to the low technical content, single function and flammability of conventional fibers, they can no longer meet the needs of domestic and foreign markets for product diversification and functionalization. Giving new functions to conventional chemical fibers is one of the key points and hot spots in the field of new chemical fiber materials research. . The flame retardancy of textiles on the market is mostly improved by post-additive additives. The product obtained in this way has the disadvantages of being not wear-resistant and washable, and most of the flame retardants used are halogen-based flame retardants, which are harmful to human health and the environment. [0003] At the same time, most of the fibers are made into clothes used by people, and some are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G63/688D01F6/92D01F1/10
CPCC08G63/6886D01F6/92D01F1/10
Inventor 查皓查家华谢旭鹏
Owner 东莞市道尔新材料科技有限公司
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