阅读说明：本技术 一种亲水硅油及其制备方法 (Hydrophilic silicone oil and preparation method thereof ) 是由 李兵 涂胜宏 谭函彬 于 2019-10-24 设计创作，主要内容包括：本发明公开了一种亲水硅油及其制备方法,亲水硅油按质量份数包括：聚醚胺3～13份、环氧聚醚3～8份、氨基硅油10～30份、有机溶剂10～30份、非离子表面活性剂1～3份、有机酸0.1～0.3份和去离子水30～50份。本发明的有益效果在于本发明的亲水硅油及其制备方法中亲水硅油属于交联反应的季铵盐阳离子聚合物,阳离子硅油与纯棉毛巾织物上的阴离子形成基团,通过离子键结合增加纯棉毛巾的耐洗性,在亲水硅油的硅氧烷链上引入大分子量的聚醚胺,赋予纯棉毛巾极佳的亲水性,亲水硅油形成的高分子交联聚硅氧烷,可以使纯棉毛巾形成蓬松,柔软有弹性的手感。(The invention discloses hydrophilic silicone oil and a preparation method thereof, wherein the hydrophilic silicone oil comprises the following components in parts by weight: 3-13 parts of polyether amine, 3-8 parts of epoxy polyether, 10-30 parts of amino silicone oil, 10-30 parts of organic solvent, 1-3 parts of nonionic surfactant, 0.1-0.3 part of organic acid and 30-50 parts of deionized water. The hydrophilic silicone oil and the preparation method thereof have the beneficial effects that the hydrophilic silicone oil belongs to a quaternary ammonium salt cationic polymer of a cross-linking reaction, the cationic silicone oil and anions on a pure cotton towel fabric form a group, the washability of the pure cotton towel is improved through ionic bond combination, polyether amine with large molecular weight is introduced to a siloxane chain of the hydrophilic silicone oil, the pure cotton towel is endowed with excellent hydrophilicity, and the high-molecular cross-linked polysiloxane formed by the hydrophilic silicone oil can enable the pure cotton towel to form fluffy, soft and elastic handfeel.)

1. The hydrophilic silicone oil is characterized by comprising the following components in parts by mass:

2. the hydrophilic silicone oil according to claim 1,

the structural formula of the polyether amine is as follows: h₂NC₃H₆O(C₂H₄O)b(C₃H₆O)_aC₃H₆NH₂Wherein the value of a is 1-5, and the value of b is 15-1000.

3. The hydrophilic silicone oil according to claim 1,

the epoxy polyether is a diepoxy terminated polyether; structural formula (xvi):

4. The hydrophilic silicone oil according to claim 1,

the amino silicone oil comprises amino silicone oil containing N-methyl piperazine; the structural formula is as follows:

5. The hydrophilic silicone oil according to claim 4,

the ammonia value of the N-methylpiperazine is 0.1 to 0.3 mmol/g.

6. The hydrophilic silicone oil according to claim 1,

the organic solvent comprises at least one of diethylene glycol butyl ether, propylene glycol, N, N-dimethylformamide, ethylene glycol monobutyl ether, ethyl acetate and isopropanol.

7. The hydrophilic silicone oil according to claim 1,

the nonionic surfactant comprises at least one of isomeric dodecyl alcohol polyoxyethylene ether, isomeric tridecyl alcohol polyoxyethylene ether and isomeric dodecyl alcohol polyoxyethylene ether;

the structural formula is as follows:wherein n is 3-20, and R comprises at least one of C10, C13 and C12 branched chains.

8. The hydrophilic silicone oil according to claim 1,

the organic acid comprises at least one of formic acid, glacial acetic acid and citric acid.

9. A preparation method of hydrophilic silicone oil is characterized by comprising

Adding 3-13 parts by mass of polyetheramine, 3-8 parts by mass of epoxy polyether and 10-30 parts by mass of organic solvent into a reactor, heating the mixture to 50 ℃, and reacting for 5 hours to obtain a first solution;

adding acidified 10-30 parts by mass of amino silicone oil into the reactor, heating to 80 ℃, reacting for 8 hours, and cooling to 50 ℃ to obtain a second solution;

adding 1-3 parts by mass of a nonionic surfactant into the second solution, and stirring for half an hour at 40 ℃ to obtain a third solution;

adding 10-15 parts by mass of deionized water solution into the third solution, and stirring for 10 minutes to obtain a fourth solution;

uniformly mixing 0.1-0.3 part by mass of the organic acid and water, and slowly adding the mixture into the fourth solution to obtain a fifth solution;

and adding 15-40 parts by mass of the deionized water into the fifth solution, and filtering to obtain the hydrophilic silicone oil.

10. The method for applying hydrophilic silicone oil according to claim 9, characterized in that it is applied to the cleaning and decontamination of textiles.

Technical Field

The invention relates to the field of chemistry, in particular to hydrophilic silicone oil and a preparation method thereof.

Background

The pure cotton towel is a cleaning article, can achieve the effects of removing stains and cleaning and cooling, has strong hygroscopicity and certain hand feeling. The good towel has fluffy hand feeling, is soft without greasy feeling, has elasticity, and has fluffy and pleasant hand feeling. The conventional towel softener comprises polyether silicone oil and amino modified silicone oil, wherein the polyether silicone oil has good hydrophilicity, is not washable and has insufficient softness; the amino modified silicone oil has hydrophilicity, but has soft hand feeling and is slightly greasy.

Disclosure of Invention

The technical scheme for solving the technical problems is as follows: the invention provides hydrophilic silicone oil which comprises the following components in parts by weight:

further, the polyether amine has a structural formula as follows: h₂NC₃H₆O(C₂H₄O)b(C₃H₆O)_aC_sH₆NH₂Wherein the value of a is 1-5, and the value of b is 15-1000.

Further, the epoxy polyether is a diepoxy terminated polyether; structural formula (xvi):

wherein the value of a is 1-10, and the value of b is 10-500.

Further, the amino silicone oil comprises amino silicone oil containing N-methyl piperazine; the structural formula is as follows:

wherein m is 50-1000, and n is 1-100.

Further, the ammonia value of the N-methylpiperazine is 0.1 to 0.3 mmol/g.

Further, the organic solvent comprises at least one of diethylene glycol butyl ether, propylene glycol, N, N-dimethylformamide, ethylene glycol monobutyl ether, ethyl acetate and isopropanol.

Further, the nonionic surfactant comprises at least one of isomeric dodecyl alcohol polyoxyethylene ether, isomeric tridecyl alcohol polyoxyethylene ether and isomeric dodecyl alcohol polyoxyethylene ether; the structural formula is as follows:

wherein n has a value of 320, R comprises at least one of C10, C13 and C12 branches.

Further, the organic acid comprises at least one of formic acid, glacial acetic acid and citric acid.

The invention also provides a preparation method of the hydrophilic silicone oil, which comprises the steps of adding 3-13 parts by mass of polyetheramine, 3-8 parts by mass of epoxy polyether and 10-30 parts by mass of organic solvent into a reactor, heating the mixture to 50 ℃, and reacting for 5 hours to obtain a first solution; adding acidified 10-30 parts by mass of amino silicone oil into the reactor, heating to 80 ℃, reacting for 8 hours, and cooling to 50 ℃ to obtain a second solution; adding 1-3 parts by mass of a nonionic surfactant into the second solution, and stirring for half an hour at 40 ℃ to obtain a third solution; adding 10-15 parts by mass of deionized water solution into the third solution, and stirring for 10 minutes to obtain a fourth solution; uniformly mixing 0.1-0.3 part by mass of the organic acid and water, and slowly adding the mixture into the fourth solution to obtain a fifth solution; and adding 15-40 parts by mass of the deionized water into the fifth solution, and filtering to obtain the hydrophilic silicone oil.

Further, the cleaning agent is applied to cleaning and decontaminating of textiles.

The invention has the advantages that: the hydrophilic silicone oil belongs to quaternary ammonium salt cationic polymers of cross-linking reaction, after the hydrophilic silicone oil is combined with a pure cotton towel, N-methyl piperazine is introduced on a high-molecular silane chain of the hydrophilic silicone oil, and epoxy-terminated polyether amine quaternary ammonium is used for salinization to form quaternary ammonium salt polysiloxane, so that yellow spots of the pure cotton towel can be prevented. The cationic silicone oil and anions on the pure cotton towel fabric form groups, the washability of the pure cotton towel is improved through ionic bond combination, polyether amine with high molecular weight is introduced to a siloxane chain of the hydrophilic silicone oil, the pure cotton towel is endowed with excellent hydrophilicity, and the pure cotton towel can be fluffy, soft and elastic in hand feeling due to the macromolecular crosslinked polysiloxane formed by the hydrophilic silicone oil.

Detailed Description