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Fluoride-free waterproof finishing agent and preparation and application methods thereof

A fluorine-free waterproofing and application method technology, applied in fiber treatment, biochemical fiber treatment, textiles and papermaking, etc., can solve the problem that the waterproofness and washability of fluorine-free water repellent agent cannot meet people's requirements, and improve antibacterial properties. Antifungal properties, surface tension reduction, and the effect of reducing the coefficient of friction

Inactive Publication Date: 2019-11-05
三赢家居用品(河源)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the water resistance and washability of the traditional fluorine-free water repellent can not meet people's requirements at present.

Method used

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  • Fluoride-free waterproof finishing agent and preparation and application methods thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 2

[0037] Preparation example 2 of crosslinking agent: take 5kg dimethylolpropionic acid, 5kg ethylene glycol and 35kg isophorone diisocyanate, heat up to 70°C, stir at 200r / min for 1.5h; then add 6.5kg butane Ketoxime was kept at a temperature of 70° C. for 2.5 hours, and after adding 2 kg of ethylenediamine, it was stirred at a speed of 6500 r / min for 30 minutes to obtain a crosslinking agent.

[0038]Preparation example 3 of crosslinking agent: take 6kg dimethylolpropionic acid, 6kg ethylene glycol and 40kg isophorone diisocyanate, heat up to 80°C, stir at 400r / min for 2h; then add 7kg butanone oxime , kept at a temperature of 75° C. for 3 h, added 3 kg of ethylenediamine, and stirred at a speed of 7000 r / min for 40 min to obtain a crosslinking agent.

[0039] 2. Preparation example of waterproof synergist The hydroxy silicone oil in the following preparation examples is selected from the hydroxy silicone oil of the model PMX-0156 provided by Dow Corning.

preparation example 1

[0040] Preparation example 1 of waterproof synergist: 10 kg of silicon dioxide, 2.25 kg of fatty alcohol polyoxyethylene ether, 0.75 kg of cetyl dimethyl ammonium chloride, 2 kg of stearyl methacrylate, oleic acid polyoxyethylene 2kg of ethylene glycol diester and 50kg of ethylene glycol were emulsified and dispersed for 5 minutes under the condition of ultrasonic frequency of 20KHz to obtain a pre-emulsion; after mixing 2kg of silane coupling agent KH560 and 30kg of hydroxyl silicone oil, add the pre-emulsion and heat to 80 ℃, stirring and dispersing at a speed of 1000r / min for 30 minutes; cooling down to 70 ℃, and keeping warm for 50 minutes to obtain a waterproof synergist.

[0041] Preparation example 2 of waterproof synergist: 15 kg of silicon dioxide, 3 kg of polyoxyethylene lauryl ether, 1 kg of lauryl dimethyl ammonium oxide, 3 g of stearyl methacrylate, polyethylene glycol oleate 3kg of diester and 55kg of ethylene glycol were emulsified and dispersed for 8min at an u...

preparation example 3

[0042] Preparation example 3 of waterproof synergist: 20 kg of silicon dioxide, 3.75 kg of sorbitan monostearate, 1.25 kg of lauryl dimethyl ammonium oxide, 4 kg of stearyl methacrylate, 4kg polyethylene glycol diester of oleic acid and 60kg ethylene glycol were emulsified and dispersed for 10min at an ultrasonic frequency of 30KHz to obtain a pre-emulsion; after mixing silane coupling agent KH5604kg and hydroxy silicone oil 40kg, add the pre-emulsion and heat to 90°C, stir and disperse at a speed of 2000r / min for 40 minutes; cool down to 75°C, and keep warm for 60 minutes to obtain a waterproof synergist.

[0043] 3. Examples The fluorine-free water repellent in the following examples includes fatty alcohol polyoxyethylene ether, and the CAS is 68002-97-1, which is selected from the product KW-802B provided by Guangzhou Hongyi Technology Co., Ltd.; the penetrating agent is α-isotridecyl-ω-hydroxyl-poly(oxy-1,2-ethylene), CAS 9043305; antifoaming agent is oleic acid polyethyle...

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Abstract

The invention discloses a fluoride-free waterproof finishing agent and preparation and application methods thereof, and relates to the technical field of fabric finishing. According to the technical scheme, the fluoride-free waterproof finishing agent is characterized by being prepared from, by weight, 2-4 parts of a fluoride-free water repellency agent, 0.1-0.3 part of a cross-linking agent, 1-2parts of a penetrating agent, 1-2 parts of a defoaming agent and 45-55 parts of water; the fluoride-free water repellency agent comprises fatty alcohol polyoxyethylene ether. According to the fluoride-free waterproof finishing agent, the characteristic of low-surface performance of the fluoride-free water repellency agent is utilized, excellent water repellency performance is achieved, the fluoride-free waterproof finishing agent prepared through cooperation of the fluoride-free water repellency agent, the cross-linking agent, the penetrating agent and the defoaming agent can be quickly spreadout to form a film on the fiber surface, the friction coefficient of the fiber surface is effectively reduced, and the waterproof performance of fiber fabrics is improved.

Description

technical field [0001] The invention relates to the technical field of fabric finishing, more specifically, it relates to a fluorine-free waterproof finishing agent and its preparation and application method. Background technique [0002] Fabric finishing refers to all the processes of improving and improving the quality of fabrics except for scouring, bleaching, dyeing, and printing. The finishing content generally includes making the fabric width neat, stable in size and shape, improving the feel of the fabric, enhancing the appearance of the fabric, and flame-retardant and water-repellent. , oil repellency, sanitation, antistatic, easy decontamination and other finishing; according to the different places where the fabric is used, select the corresponding finishing content. For shower curtains used in bathrooms, the materials are mainly textile fabrics and plastic materials. Compared with plastic materials, textile fabrics have stronger aging resistance and tear resistanc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M15/53D06M15/564D06M11/79D06M15/643D06M13/46D06M13/236D06M13/224D06M101/32
CPCD06M11/79D06M13/224D06M13/236D06M13/46D06M15/53D06M15/564D06M15/643D06M16/00D06M2101/32D06M2200/12
Inventor 熊贤银
Owner 三赢家居用品(河源)有限公司
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