阅读说明：本技术 一种防水棉服 (Waterproof cotton-padded clothes ) 是由 林巧 黄丽娜 于 2020-07-10 设计创作，主要内容包括：本发明涉及服装的技术领域,公开了一种防水棉服,包括衣身,所述衣身由防水整理剂整理,所述防水整理剂包括如下重量份数的组分：10-20份聚氨酯乳液；2-3份聚四氟乙烯；2-3份表面活性剂；6-8份二乙醚；100-110份去离子水。本发明具有以下优点和效果：选用特定的溶剂二乙醚促进聚氨酯乳液和各组分的均匀混合,形成具有连续性和较大的表面张力的薄膜,形成致密的实心防护层,聚四氟乙烯为疏水性高分子,且具有良好的化学稳定性以及较高的润滑性,有利于实现组分间的均匀混合,提高混合组分的化学稳定性,由此可应对棉服遇到水淋状况吸水变重,影响穿着舒适感的问题,提高棉服的防水性能。(The invention relates to the technical field of clothes, and discloses waterproof cotton clothes which comprise a clothes body, wherein the clothes body is finished by a waterproof finishing agent, and the waterproof finishing agent comprises the following components in parts by weight: 10-20 parts of polyurethane emulsion; 2-3 parts of polytetrafluoroethylene; 2-3 parts of a surfactant; 6-8 parts of diethyl ether; 100-110 parts of deionized water. The invention has the following advantages and effects: the special solvent diethyl ether is selected to promote the uniform mixing of the polyurethane emulsion and the components, a film with continuity and larger surface tension is formed, a compact solid protective layer is formed, the polytetrafluoroethylene is a hydrophobic macromolecule, and has good chemical stability and higher lubricity, the uniform mixing of the components is favorably realized, the chemical stability of the mixed components is improved, the problems that the cotton-padded clothes absorbs water and becomes heavy under the condition of water drenching and the wearing comfort is influenced can be solved, and the waterproof performance of the cotton-padded clothes is improved.)

1. The utility model provides a waterproof cotton-padded clothes, includes the clothing body, its characterized in that: the garment body is finished by a waterproof finishing agent, and the waterproof finishing agent comprises the following components in parts by weight:

10-20 parts of polyurethane emulsion;

2-3 parts of polytetrafluoroethylene;

2-3 parts of a surfactant;

6-8 parts of diethyl ether;

100-110 parts of deionized water.

2. The waterproof cotton-padded garment according to claim 1, characterized in that: the waterproof finishing agent also comprises 0.2-0.3 part of succinic anhydride, 4-5 parts of polypropylene glycol and 2-3 parts of borazane in parts by weight.

3. The waterproof cotton-padded garment according to claim 2, characterized in that: the surfactant is sodium abietate.

4. The waterproof cotton-padded garment according to claim 2, characterized in that: the waterproof finishing agent also comprises 0.8-1 part of naphthanilide and 0.1-0.2 part of styrene in parts by weight.

5. The waterproof cotton-padded garment according to claim 4, characterized in that: the waterproof finishing agent also comprises 0.4-0.5 part of tea saponin in parts by weight.

6. The waterproof cotton-padded garment according to claim 5, characterized in that: the preparation method of the waterproof finishing agent comprises the following steps:

s1, stirring the polyurethane emulsion, the surfactant and diethyl ether until the polyurethane emulsion, the surfactant and the diethyl ether are fully mixed, then adding polytetrafluoroethylene, stirring and heating to 50-60 ℃, finally adding deionized water with the temperature of 70-75 ℃ by using a dropping funnel, and stirring for 1-1.5 hours under the condition of heat preservation after the addition.

7. The waterproof cotton-padded garment according to claim 6, characterized in that: in the S1, after the temperature is raised to 50-60 ℃, naphthanilide and styrene are added, and the mixture is stirred for 0.5-0.6h under the condition of heat preservation; adding succinic anhydride, polypropylene glycol and borazane, stirring for 0.5-0.6 hr under heat preservation, adding tea saponin, stirring, and adding deionized water via dropping funnel.

8. The waterproof cotton-padded garment according to claim 1, characterized in that: and spraying the waterproof finishing agent on the surface of the clothes body by using an electric spray gun, baking for 3-5min at the temperature of 140-150 ℃, and then carrying out tentering setting to obtain the waterproof cotton clothes.

Technical Field

The invention relates to the technical field of clothes, in particular to waterproof cotton-padded clothes.

Background

The cotton-padded jacket is a dress filled with cotton, down and other materials for resisting cold; in cold seasons, cotton clothes become an essential object for people; in order to facilitate people to wear underwear such as sweater and thermal underwear or do sports, cotton clothes are usually looser.

At present, a patent with publication number CN201830934U discloses a cotton-padded clothes, which comprises a clothes body and sleeves integrally connected with the clothes body, wherein a front fly is arranged on the front of the clothes body, an opening and closing device is arranged on the front fly, a neckline is arranged at the top of the clothes body, a vertical collar is arranged on the neckline, and the vertical collar is integrally connected with the clothes body.

The above technical solution has the following disadvantages: most of the existing cotton-padded clothes are not waterproof, and once the existing cotton-padded clothes are wet, the cotton-padded clothes are easy to absorb water and get heavy, and the wearing comfort is affected, so the existing cotton-padded clothes still need to be improved.

Disclosure of Invention

Aiming at the defects in the related art, the invention provides the waterproof cotton-padded clothes in order to solve the problem that the cotton-padded clothes absorbs water and becomes heavy under the condition of water drenching to influence the wearing comfort.

The invention discloses waterproof cotton clothes, which provide the following technical scheme:

the waterproof cotton clothes comprise a clothes body, wherein the clothes body is finished by a waterproof finishing agent, and the waterproof finishing agent comprises the following components in parts by weight:

10-20 parts of polyurethane emulsion;

2-3 parts of polytetrafluoroethylene;

2-3 parts of a surfactant;

6-8 parts of diethyl ether;

100-110 parts of deionized water.

By adopting the technical scheme, the specific solvent diethyl ether is selected to promote the uniform mixing of the polyurethane emulsion and each component, so that a film with continuity and larger surface tension is formed in the presence of a surfactant, a compact solid protective layer is formed, a better waterproof effect is achieved, and the problem that the waterproof performance is influenced due to the poor mixing effect of the components caused by the inapplicability of the solvent is solved; the molecular chain of the macromolecular substance contains a certain amount of hydrophilic groups such as hydroxyl, carboxyl and amino, the groups are used as the scalstones of water molecules, the water molecules adsorb the water molecules on one side with high humidity due to hydrogen bonds and other intermolecular forces, and the hydrophilic groups are transferred to one side with low humidity for desorption through the thermal motion of macromolecular bonds, so that the aim of ventilation is fulfilled; the polytetrafluoroethylene is a hydrophobic polymer, has good chemical stability and higher lubricity, is favorable for realizing uniform mixing among components, improves the chemical stability of mixed components, can deal with the problem that the cotton-padded clothes absorbs water and becomes heavy when meeting a water spray condition, influences the wearing comfort, and improves the waterproof performance of the cotton-padded clothes.

The present invention in a preferred example may be further configured to: the waterproof finishing agent also comprises 0.2-0.3 part of succinic anhydride, 4-5 parts of polypropylene glycol and 2-3 parts of borazane in parts by weight.

By adopting the technical scheme, the polypropylene glycol is hydrophobic and is viscous liquid, succinic anhydride is used as a cross-linking agent, the borazane is ionized in the presence of anhydride and water solution, and then has a cross-linking reaction with hydroxyl of the polypropylene glycol, so that the continuity after film forming is improved, and polymer molecules formed by cross-linking can improve the compactness of the emulsion after film forming, thereby improving the waterproof performance of the waterproof finishing agent.

The present invention in a preferred example may be further configured to: the surfactant is sodium abietate.

By adopting the technical scheme, the sodium abietate is used as the high-performance emulsifier, effectively assists the polyurethane emulsion and other components to be mixed into a membrane, and forms a waterproof membrane with better performance.

The present invention in a preferred example may be further configured to: the waterproof finishing agent also comprises 0.8-1 part of naphthanilide and 0.1-0.2 part of styrene in parts by weight.

Through adopting above-mentioned technical scheme, on the one hand, sodium abietate uses as surfactant, on the other hand, sodium abietate has the triphenyl ring structure, change and have the naphthoyl aniline reaction of benzene ring structure, and the amido bond can form intramolecular hydrogen bond, reduce the electron density on the carbonyl carbon atom, thereby can improve the reactivity of naphthoyl aniline, regard styrene as the cross-linking agent, make and form the cross-linking between sodium abietate and the naphthoyl aniline macromolecular structure, thereby effectively improve waterproof finishing agent's component cross-linking density and stability, and be favorable to improving the continuity after the film forming, then promote water-proof effects.

The present invention in a preferred example may be further configured to: the waterproof finishing agent also comprises 0.4-0.5 part of tea saponin in parts by weight.

By adopting the technical scheme, the tea saponin consists of the hydrophilic saccharide, the hydrophobic ligand and the organic acid, so that the surface tension can be improved, and the adhesion capability and the wetting and spreading capability of the waterproof finishing agent on the surface of the clothes body can be improved, thereby improving the using effect of the waterproof finishing agent and prolonging the waterproof lasting period.

The present invention in a preferred example may be further configured to: the preparation method of the waterproof finishing agent comprises the following steps:

s1, stirring the polyurethane emulsion, the surfactant and diethyl ether until the polyurethane emulsion, the surfactant and the diethyl ether are fully mixed, then adding polytetrafluoroethylene, stirring and heating to 50-60 ℃, finally adding deionized water with the temperature of 70-75 ℃ by using a dropping funnel, and stirring for 1-1.5 hours under the condition of heat preservation after the addition.

By adopting the technical scheme, the waterproof finishing agent with the waterproof function is prepared and is used for being sprayed on the surface of a clothes body.

The present invention in a preferred example may be further configured to: in the S1, after the temperature is raised to 50-60 ℃, naphthanilide and styrene are added, and the mixture is stirred for 0.5-0.6h under the condition of heat preservation; adding succinic anhydride, polypropylene glycol and borazane, stirring for 0.5-0.6 hr under heat preservation, adding tea saponin, stirring, and adding deionized water via dropping funnel.

By adopting the technical scheme, the crosslinking reaction between the sodium abietate and the naphthanilide as well as the polypropylene glycol and the borazane is promoted to occur at the temperature of 50-60 ℃, so that the aim of improving the waterproof effect is fulfilled.

The present invention in a preferred example may be further configured to: and spraying the waterproof finishing agent on the surface of the clothes body by using an electric spray gun, baking for 3-5min at the temperature of 140-150 ℃, and then carrying out tentering setting to obtain the waterproof cotton clothes.

By adopting the technical scheme, the spraying operation is completed by adopting the electric spray gun, and then the waterproof cotton clothes are obtained by drying and shaping.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the polypropylene glycol is hydrophobic and is viscous liquid, succinic anhydride is used as a cross-linking agent, the borazane is ionized in the presence of anhydride and aqueous solution, and then has a cross-linking reaction with hydroxyl of the polypropylene glycol, so that the continuity after film formation is improved, and polymer molecules formed by cross-linking can improve the compactness of the emulsion after film formation, so that the waterproof performance of the waterproof finishing agent is improved;

2. on the one hand, use sodium abietate as surfactant, on the other hand, sodium abietate through having the triphenyl ring structure reacts with the naphthaline that has the benzene ring structure, the while amido bond can form intramolecular hydrogen bond, reduce the electron density on the carbonyl carbon atom, improve the reactivity of naphthaline, regard styrene as the cross-linking agent, make and form the crosslinking between sodium abietate and the naphthaline macromolecular structure, effectively improve waterproof finishing agent's component cross-linking density and stability, and be favorable to improving the continuity after the film forming, promote water-proof effects.

Detailed Description

The present invention will be described in further detail below.

In the invention, the polyurethane emulsion is purchased from Zhuhai Yongqin Sanhao inorganic coating Co.Ltd; polytetrafluoroethylene is available from Zhejiang Jusheng fluorine chemical Co., Ltd; tea saponin is available from Baishi chemical Co., Ltd, Tianjin.

The starting materials used in the following examples are all available from ordinary commercial sources except for those specifically mentioned above.