A deepening silicone oil emulsion and a method for preparing the same

Abstract

The application discloses a deepening silicone oil emulsion and a preparation method thereof, and relates to the field of deepening silicone oil. The deepening silicone oil emulsion comprises the following raw materials in parts by weight: 55-70 parts of amino-modified silicone oil; 30-45 parts of acrylate-modified polyether silicone oil; 25-38 parts of emulsifier; 1-4 parts of organic acid; and 220-260 parts of water. The acrylate-modified polyether silicone oil comprises the following raw materials in parts by weight: 10-18 parts of hydrogen-containing silicone oil; 6-12 parts of allyl polyoxyethylene polyoxypropylene ether; 2-5 parts of acrylate monomer; and 0.5-1 part of chloroplatinic acid. The acrylate monomer is selected from one or more of hydroxyethyl acrylate, N-hydroxyethyl acrylamide and 4-hydroxybutyl acrylate. The prepared deepening silicone oil can reduce the influence of the deepening silicone oil on the tearing strength and yellowing problem of fabrics while playing a deepening role.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of deepening silicone oil, in particular to a deepening silicone oil emulsion and a preparation method thereof. BACKGROUND

[0002] Deepening finishing is an important fabric finishing process, which is used to solve the technical problem that it is difficult to achieve the required dyeing depth of medium-dark fabric even if the dye concentration is increased. It can save dye usage, improve fabric dyeing depth, reduce dye-containing wastewater discharge and treatment cost.

[0003] The principle of deepening silicone oil deepening is to cover a low refractive index film on the surface of the fabric, reduce the refractive index of the surface of the fabric fiber, and thus change the degree of reflection and refraction of light by the fiber, improve the absorption of incident light by the dye, and thus significantly improve the dyeing depth of the fabric, playing a deepening role.

[0004] The commonly used deepening silicone oil is amino silicone oil. Amino silicone oil has good chemical reactivity, strong two-phase lubricity and compatibility, and is widely used in textile finishing and textile dyeing and finishing fields. Amino silicone oil not only has good deepening effect, but also can improve the hand feeling of the fabric, making the fabric softer.

[0005] However, amino silicone oil is a macromolecular polysiloxane structure, which can reduce the friction between fibers, greatly affect the tear strength and performance of the fabric, and the use of amino silicone oil can also cause yellowing of the fabric. SUMMARY

[0006] In order to make the deepening silicone oil play a deepening role while reducing the influence on the tear strength and yellowing problem of the fabric, the present application provides a deepening silicone oil emulsion and a preparation method thereof.

[0007] The deepening silicone oil emulsion and the preparation method thereof provided by the present application adopt the following technical scheme:

[0008] In a first aspect, the present application provides a deepening silicone oil emulsion, which comprises the following raw materials by weight:

[0009] Amino-modified silicone oil 55-70 parts;

[0010] Acrylate-modified polyether silicone oil 30-45 parts;

[0011] Emulsifier 25-38 parts;

[0012] Organic acid 1-4 parts;

[0013] Water 220-260 parts;

[0014] The acrylate-modified polyether silicone oil comprises the following raw materials by weight:

[0015] hydrogen-containing silicone oil 10-18 parts;

[0016] allyl polyoxyethylene polyoxypropylene ether 6-12 parts;

[0017] acrylate monomer 2-5 parts;

[0018] chloroplatinic acid 0.5-1 part;

[0019] The acrylate monomer is selected from one or more of hydroxyethyl acrylate, N-hydroxyethyl acrylamide, and 4-hydroxybutyl acrylate.

[0020] By using the above technical solution, the amino-modified silicone oil and the acrylate-modified polyether silicone oil are compounded, the acrylate-modified polyether silicone oil segment is introduced into the copolymer formed, the yellowing problem of the fabric is reduced, and the emulsion of the deepening silicone oil is stable, and at the same time, the deepening silicone oil can penetrate into the inside of the fabric, giving the fabric a soft and fluffy hand feeling. The amino-modified silicone oil forms a low-refractive-index film on the surface of the fabric, the introduction of the acrylate monomer polymerization enables the fabric surface to form a rough and uneven surface, changes the reflection and refraction of light, improves the deepening effect, and at the same time, improves the friction between fibers and reduces the adverse effects of the deepening silicone oil on the breaking strength of the fabric.

[0021] Optionally, the amino-modified silicone oil includes the following raw materials in parts by weight:

[0022] silicone linear body 60-75 parts;

[0023] amino silane coupling agent 2-4 parts;

[0024] end-capping agent 7-12 parts;

[0025] catalyst 0.1-0.4 parts;

[0026] hexafluorobutyl acrylate 13-18 parts.

[0027] By using the above technical solution, the silicone linear body is used instead of the commonly used octamethylcyclotetrasiloxane, the grafting distribution of the amino group is more uniform after reaction with the amino silane coupling agent, and better softness and smoothness are obtained. The hexafluorobutyl acrylate is used for modification, the low-refractive-index organic fluorine is introduced, the deepening effect is better, and the introduction of the organic fluorine has an inhibitory effect on the yellowing of the amino-modified silicone oil.

[0028] Optionally, the amino silane coupling agent is selected from one or more of coupling agent HD-121, coupling agent HD-110, and coupling agent KH-608.

[0029] By adopting the technical scheme, the amino silane coupling agent with secondary amino group / tertiary amino group is selected, the reaction activity of hydrogen in the amino group is weak, the yellowing of the amino group is reduced, and the probability of fabric yellowing is reduced.

[0030] Optionally, the organosilicon linear body is selected from one or more of hydroxyl-terminated polydimethylsiloxane and trimethylsilyl-terminated polydimethylsiloxane.

[0031] By adopting the technical scheme, the selection of the organosilicon linear body enables the amino group to be uniformly grafted into the molecular chain of the siloxane, thereby improving the compatibility of the amino silicone oil system.

[0032] Optionally, the amino silane coupling agent is selected from coupling agent HD-110, and the organosilicon linear body is selected from hydroxyl-terminated polydimethylsiloxane.

[0033] By adopting the technical scheme, when the above combination is selected, the amino group of the formed amino silicone oil is uniformly distributed, the group steric hindrance of the molecular chain is large and is not easy to move, the amino-modified silicone oil is not easy to yellow, and the deepening effect and softness are good.

[0034] Optionally, the catalyst is selected from one or more of potassium hydroxide, sodium hydroxide, and tetramethylammonium hydroxide.

[0035] Optionally, the emulsifier is selected from one or more of isomeric tridecanol polyoxyethylene ether, lauryl alcohol polyoxyethylene ether, and isomeric decanol polyoxyethylene ether.

[0036] By adopting the technical scheme, the selection of the emulsifier determines the stability and compatibility of the deepening silicone oil emulsion, and through the combination selection, the deepening silicone oil emulsion can be stored stably and does not have the phenomenon of demulsification and layering.

[0037] Optionally, the organic acid is selected from one or more of acetic acid, glacial acetic acid, and formic acid.

[0038] In a second aspect, the application provides a preparation method of a deepening silicone oil emulsion, including the following steps:

[0039] A certain amount of toluene is added to a flask containing hydrogen silicone oil, and the mixture is stirred and heated. When the temperature is 50-55℃, chloroplatinic acid is added. When the temperature is 87-90℃, a mixed solution of allyl polyoxyethylene polyoxypropylene ether and acrylate monomer is added dropwise to the flask, and the reaction is continued for 5-6h. The solvent is removed by distillation under reduced pressure to obtain acrylate-modified polyether silicone oil.

[0040] After the acrylate-modified polyether silicone oil, the amino-modified silicone oil, and the emulsifier are mixed, the mixture is stirred and emulsified for 20-30min. Organic acid and water are added, and the stirring is continued for 2-2.5h to obtain a deepening silicone oil emulsion.

[0041] By adopting the technical scheme, the deepening silicone oil emulsion with excellent deepening effect and excellent hand feeling is prepared.

[0042] Optionally, the amino-modified silicone oil is prepared by the following steps:

[0043] The organic silicon linear body and the amino silane coupling agent are added into a reaction bottle, stirred and heated to 80-85 DEG C, the end-capping agent and the catalyst are added, constant temperature stirring is carried out for 2-3 h, vacuum extraction is carried out after temperature rising, and then the temperature is reduced to room temperature, and glacial acetic acid is added for neutralization until the pH is 6.5-7, so that the amino silicone oil is obtained.

[0044] The amino silicone oil and a certain amount of toluene are placed in another reaction bottle, heated to 60-62 DEG C under nitrogen protection, and stirred and refluxed for 5-5.5 h, the hexafluorobutyl acrylate is added dropwise, and the reaction is carried out for 5-5.5 h, and the solvent is removed by vacuum distillation, so that the amino-modified silicone oil is obtained.

[0045] By adopting the technical scheme, after the amino silicone oil is generated, the addition reaction of the hexafluorobutyl acrylate and the amino in the amino silicone oil is utilized, the fluoroalkyl acrylate segment is introduced, the deepening effect is improved, and the yellowing is reduced.

[0046] In summary, the present application has at least one of the following beneficial effects:

[0047] 1. The amino-modified silicone oil and the acrylate-modified polyether silicone oil are compounded, the acrylate-modified polyether silicone oil segment is introduced into the copolymer formed, the yellowing problem of the fabric is reduced, the hydrophilic groups such as hydroxyl groups are introduced, the emulsion of the deepening silicone oil is stable, the fabric can be penetrated into the inside of the fabric, and the fabric is endowed with soft and fluffy hand feeling. The amino-modified silicone oil forms a low refractive index film on the surface of the fabric, the introduction of the acrylate monomer polymerization enables the fabric surface to form a rough and uneven surface, changes the reflection and refraction of light, improves the deepening effect, and reduces the adverse effect of the deepening silicone oil on the breaking strength of the fabric.

[0048] 2. The organic silicon linear body is selected instead of the commonly used octamethylcyclotetrasiloxane, the grafting distribution of the amino is more uniform after the reaction with the amino silane coupling agent, the softness and smoothness are better, the hexafluorobutyl acrylate is selected for modification, the organic fluorine with low refractive index is introduced, the deepening effect is better, and the introduction of the organic fluorine has an inhibiting effect on the yellowing of the amino-modified silicone oil. DETAILED DESCRIPTION

[0049] The present application is further described in detail below in combination with Examples 1-5 and Comparative Example 1.

[0050] In the following examples and comparative examples, the raw materials used are as follows:

[0051] Hydroxyl-terminated polydimethylsiloxane: purchased from Wuhan Lananbai Medicine Chemical Co., Ltd., relative molecular weight is 1000, CAS number is 70131-67-8;

[0052] Trimethylsilyl-terminated polydimethylsiloxane: purchased from Dow Corning Corporation, model number is DC200, molecular weight is 1000;

[0053] Coupling agent HD-121: purchased from Hangzhou Dateli Chemical Co., Ltd.;

[0054] Coupling agent HD-110: purchased from Hubei Rishengchang New Material Technology Co., Ltd.;

[0055] Coupling agent KH-608: purchased from Hangzhou Jessica Chemical Co., Ltd.;

[0056] Hydrogen-containing silicone oil: purchased from Jinan Shengfeng Industry and Trade Co., Ltd.

[0057] Preparation Example

[0058] Preparation Example 1

[0059] Preparation of an amino-modified silicone oil

[0060] The amino-modified silicone oil comprises the following raw materials by weight:

[0061] 60 g of silicone linear body, specifically hydroxyl-terminated polydimethylsiloxane;

[0062] 2 g of amino silane coupling agent, specifically coupling agent HD-121;

[0063] 7 g of capping agent, specifically hexamethyldisiloxane;

[0064] 0.1 g of catalyst, specifically potassium hydroxide;

[0065] 13 g of hexafluorobutyl acrylate.

[0066] The amino-modified silicone oil is prepared by the following steps:

[0067] The silicone linear body and the amino silane coupling agent are added to a reaction bottle, stirred and heated to 80°C, the capping agent and the catalyst are added, constant temperature stirring is performed for 2 h, the temperature is increased to 125°C, a vacuum pump is started, the vacuum degree is controlled between -0.095-0.1 Mpa, vacuumizing is performed for 1 h, then the vacuum is removed, after cooling, glacial acetic acid is added for neutralization to pH 6.5, and the amino silicone oil is obtained;

[0068] The amino silicone oil and 180 g of toluene are placed in another reaction bottle, heated to 60°C under nitrogen protection, stirred and refluxed for 5 h, hexafluorobutyl acrylate is added dropwise, reacted for 5 h, and the solvent is removed by reduced pressure distillation to obtain the amino-modified silicone oil.

[0069] Preparation Example 2

[0070] Preparation of amino-modified silicone oil

[0071] The amino-modified silicone oil comprises the following raw materials by weight:

[0072] 68 g of silicone linear body, specifically hydroxyl-terminated polydimethylsiloxane;

[0073] 3 g of amino silane coupling agent, specifically coupling agent HD-110;

[0074] 9 g of capping agent, specifically hexamethyldisiloxane;

[0075] 0.3 g of catalyst, specifically sodium hydroxide;

[0076] 15 g of hexafluorobutyl acrylate.

[0077] The amino-modified silicone oil is prepared by the following steps:

[0078] The silicone linear body and the amino silane coupling agent are added to a reaction bottle, stirred, and heated to 85°C, the capping agent and the catalyst are added, constant temperature stirring is performed for 3 h, the temperature is increased to 130°C, a vacuum pump is started, the vacuum degree is controlled between -0.095-0.1 Mpa, vacuumizing is performed for 1 h, then the vacuum is removed, after cooling, glacial acetic acid is added for neutralization to pH 7, and the amino silicone oil is obtained;

[0079] The amino silicone oil and 230 g of toluene are placed in another reaction bottle, heated to 62°C under nitrogen protection, stirred and refluxed for 5.5 h, hexafluorobutyl acrylate is added dropwise, reacted for 5.5 h, and the solvent is removed by reduced pressure distillation to obtain the amino-modified silicone oil.

[0080] Preparation Example 3

[0081] Preparation of amino-modified silicone oil

[0082] The amino-modified silicone oil comprises the following raw materials by weight:

[0083] 68 g of silicone linear body, specifically hydroxyl-terminated polydimethylsiloxane;

[0084] 3 g of amino silane coupling agent, specifically coupling agent HD-110;

[0085] 9 g of capping agent, specifically hexamethyldisiloxane;

[0086] 0.3 g of catalyst, specifically sodium hydroxide;

[0087] 15 g of hexafluorobutyl acrylate.

[0088] The amino-modified silicone oil is prepared by the following steps:

[0089] The silicone linear body and the amino silane coupling agent are added into a reaction bottle, stirred and heated to 82°C, the blocking agent and the catalyst are added, constant temperature stirring for 2.5h, heating to 127°C, opening the vacuum pump, the vacuum degree is controlled between-0.095-0.1Mpa, vacuumizing for 1h, then removing the vacuum, after cooling, adding glacial acetic acid to neutralize to pH 7, obtaining the amino silicone oil;

[0090] The amino silicone oil and 200g of toluene are placed in another reaction bottle, heated to 61°C under nitrogen protection, stirred and refluxed for 5h, the hexafluorobutyl acrylate is added dropwise, the reaction is carried out for 5.5h, the solvent is removed by distillation under reduced pressure, obtaining the amino modified silicone oil.

[0091] Example

[0092] Example 1

[0093] A deepening silicone oil emulsion, comprising the following raw materials:

[0094] Amino modified silicone oil 55g, the amino modified silicone oil prepared in Preparation Example 1 is selected;

[0095] Acrylate modified polyether silicone oil 30g;

[0096] Emulsifier 25g, 20g of isomeric tridecanol polyoxyethylene ether and 5g of lauryl alcohol polyoxyethylene ether are selected;

[0097] Organic acid 1g, glacial acetic acid is selected;

[0098] Water 220g;

[0099] The acrylate modified polyether silicone oil comprises the following raw materials by weight:

[0100] Hydrogen-containing silicone oil 10g;

[0101] Allyl polyoxyethylene polyoxypropylene ether 6g;

[0102] Acrylate monomer 2g, hydroxyethyl acrylate is selected;

[0103] Chloroplatinic acid 0.5g.

[0104] A deepening silicone oil emulsion is prepared by the following steps:

[0105] The hydrogen-containing silicone oil and 35g of toluene are added into a flask, heated and stirred, chloroplatinic acid is added at 50°C, the mixed solution of allyl polyoxyethylene polyoxypropylene ether and acrylate monomer is added dropwise into the flask at 87°C, the dropwise addition is completed within 1h, the reaction is continued for 5h, the solvent is removed by distillation under reduced pressure, obtaining the acrylate modified polyether silicone oil;

[0106] The acrylic ester modified polyether silicone oil, the amino modified silicone oil and the emulsifier are mixed, emulsified for 20 min, the organic acid and water are added, and stirring is continued for 2 h to obtain the deepening silicone oil emulsion.

[0107] Example 2

[0108] A deepening silicone oil emulsion comprises the following raw materials:

[0109] The amino modified silicone oil 70 g is selected from the amino modified silicone oil prepared in Preparation Example 2;

[0110] The acrylic ester modified polyether silicone oil 45 g;

[0111] The emulsifier 38 g is selected from isomeric decanol polyoxyethylene ether 25 g and lauryl alcohol polyoxyethylene ether 13 g;

[0112] The organic acid 4 g is selected from acetic acid;

[0113] The water 260 g;

[0114] The acrylic ester modified polyether silicone oil comprises the following raw materials by weight:

[0115] The hydrogen-containing silicone oil 18 g;

[0116] The allyl polyoxyethylene polyoxypropylene ether 12 g;

[0117] The acrylic ester monomer 5 g is selected from 4-hydroxybutyl acrylate;

[0118] The chloroplatinic acid 1 g.

[0119] A deepening silicone oil emulsion is prepared by the following steps:

[0120] The hydrogen-containing silicone oil and 50 g of toluene are added to a flask, and stirring is carried out under heating. When the temperature reaches 55 ℃, the chloroplatinic acid is added. When the temperature reaches 90 ℃, a mixed solution of the allyl polyoxyethylene polyoxypropylene ether and the acrylic ester monomer is added dropwise to the flask. The dropwise addition is completed within 1 h, and the reaction is continued for 6 h. The solvent is removed by distillation under reduced pressure to obtain the acrylic ester modified polyether silicone oil;

[0121] The acrylic ester modified polyether silicone oil, the amino modified silicone oil and the emulsifier are mixed, emulsified for 30 min, the organic acid and water are added, and stirring is continued for 2.5 h to obtain the deepening silicone oil emulsion.

[0122] Example 3

[0123] A deepening silicone oil emulsion comprises the following raw materials:

[0124] The amino modified silicone oil 63 g is selected from the amino modified silicone oil prepared in Preparation Example 1;

[0125] The acrylic ester modified polyether silicone oil 38 g;

[0126] Emulsifier 33 g, selected from 20 g isomeric tridecanol polyoxyethylene ether and 13 g isomeric decanol polyoxyethylene ether;

[0127] Organic acid 2 g, selected from formic acid;

[0128] Water 245 g;

[0129] The acrylate-modified polyether silicone oil comprises the following raw materials by weight:

[0130] Hydrogen-containing silicone oil 15 g;

[0131] Allyl polyoxyethylene polyoxypropylene ether 10 g;

[0132] Acrylate monomer 3 g, selected from N-hydroxyethyl acrylamide;

[0133] Chloroplatinic acid 0.8 g.

[0134] A deepening silicone oil emulsion is prepared by the following steps:

[0135] In a flask, hydrogen-containing silicone oil and 45 g of toluene are added, and stirring is carried out under heating. When the temperature reaches 52℃, chloroplatinic acid is added. When the temperature reaches 89℃, a mixed solution of allyl polyoxyethylene polyoxypropylene ether and acrylate monomer is added dropwise into the flask. The dropwise addition is completed within 1 h, and the reaction is continued for 5.5 h. The solvent is removed by distillation under reduced pressure to obtain acrylate-modified polyether silicone oil;

[0136] After the acrylate-modified polyether silicone oil, the amino-modified silicone oil, and the emulsifier are mixed, stirring and emulsification are carried out for 25 min. The organic acid and water are added, and stirring is continued for 2.5 h to obtain a deepening silicone oil emulsion.

[0137] Example 4

[0138] The difference between this example and Example 1 is that the amino-modified silicone oil used in this example is a commercially available amino silicone oil purchased from Shandong Yunxin New Material Technology Co., Ltd.

[0139] Example 5

[0140] The difference between this example and Example 1 is that the amino-modified silicone oil used in this example is the amino-modified silicone oil prepared in Preparation Example 3.

[0141] Comparative Example

[0142] Comparative Example 1

[0143] The difference between this comparative example and Example 1 is that in this comparative example, an equal amount of amino-modified silicone oil is used instead of acrylate-modified polyether silicone oil.

[0144] Performance detection application: The deepening silicone oil prepared in Examples 1-5 and Comparative Example 1 is used to finish black polyester fabric to obtain finished fabric.

[0145] Finishing process: dip terylene fabric (40 min) - one dip one roll (bath ratio is 1:20, pick-up rate is 90%) - pre-drying (drying at 80℃ for 3 min) - baking (drying at 150℃ for 2 min).

[0146] The finished fabric is tested for performance, including deepening rate, whiteness index, tear strength, and hand feeling.

[0147] Deepening rate: the K / S values of the fabric before and after deepening finishing are measured by a computer color matching instrument, the average value is taken, and the deepening rate is calculated. Deepening rate = (K / S 后 -K / S 前 ) / K / S 前 x 100%.

[0148] Whiteness index: the whiteness of the finished fabric is tested by a whiteness instrument. The whiteness index of the blank fabric is 77.01. The greater the whiteness of the finished fabric, the smaller the difference in whiteness from the blank fabric, indicating that the fabric is less yellow.

[0149] Tear strength loss rate: the tear strength of the fabric before and after finishing is tested according to the standard GB / T 3923.1-2013 "Textile Fabric Tensile Properties Part 1: Determination of Breaking Strength and Elongation at Break", and the tear strength loss rate is calculated.

[0150] Hand feeling: the hand feeling is evaluated by touching the fabric to feel the loftiness, softness, resilience, smoothness, and coolness, etc. The hand feeling is divided into 5 levels, the higher the level, the better, and 5 is the best, and 1 is the lowest.

[0151] Table 1

[0152]

[0153] Data analysis:

[0154] According to Table 1, the deepening silicone oil emulsion prepared by the application has a high deepening rate for black terylene fabric, and the finished fabric has good hand feeling. Because of the addition of acrylate modified polyether silicone oil copolymer and the modification of amino silicone oil by hexafluorobutyl acrylate, the whiteness index of the fabric changes little, the fabric is less prone to yellowing, and the breaking strength loss rate of the fabric is small.

[0155] According to Example 4 and Example 5, when the amino modified silicone oil prepared by the application is used, the deepening effect of the deepening silicone oil emulsion prepared by the amino modified silicone oil is better, and the yellowing is better inhibited, because hexafluorobutyl acrylate is used for modification, and the types of amino silane coupling agent and linear silicone in the raw material are selected.

[0156] In Example 5, the specific combination of coupling agent HD-110 and hydroxyl-terminated polydimethylsiloxane was selected for the raw materials of the amino-modified silicone oil, and the prepared deepening silicone oil emulsion had the best performance.

[0157] The specific embodiment is only an explanation of the present application, and is not a limitation of the present application. Those skilled in the art can make modifications to the specific embodiment without creative contribution after reading the specification, but as long as the modifications are within the scope of the claims of the present application, they are protected by the Patent Law.

Claims

1. A silicone oil emulsion for deepening, characterized in that, Including the following parts by weight of raw materials: 55-70 parts of amino-modified silicone oil; Acrylic ester modified polyether silicone oil 30-45 parts; 25-38 parts emulsifier; 1-4 parts organic acids; 220-260 parts water; The acrylate-modified polyether silicone oil comprises the following raw materials in parts by weight: 10-18 parts of hydrogen-containing silicone oil; 6-12 parts of allyl polyoxyethylene polyoxypropylene ether; 2-5 parts of acrylate monomer; Chloroplatinic acid 0.5-1 part; The acrylate monomer is selected from one or more of hydroxyethyl acrylate, N-hydroxyethyl acrylamide, and 4-hydroxybutyl acrylate; The amino-modified silicone oil comprises the following raw materials in parts by weight: 60-75 parts of organosilicon linear body; 2-4 parts of aminosilane coupling agent; 7-12 parts of capping agent; Catalyst 0.1-0.4 parts; 13-18 parts of hexafluorobutyl acrylate; The aminosilane coupling agent is selected from one or more of coupling agents HD-121, HD-110, and KH-608; The organosilicon linear body is selected from one or more of hydroxyl-terminated polydimethylsiloxane and trimethylsilane-terminated polydimethylsiloxane; The amino-modified silicone oil is prepared by the following steps: Add organosilicon linear and aminosilane coupling agent to the reaction flask, stir and heat to 80-85℃, add end-capping agent and catalyst, stir at constant temperature for 2-3 hours, heat and evacuate vacuum, then cool to room temperature, add glacial acetic acid to neutralize to pH 6.5-7, and obtain aminosilicone oil. Amino-modified silicone oil and a certain amount of toluene were placed in another reaction flask, heated to 60-62℃ under nitrogen protection, stirred and refluxed for 5-5.5 h, hexafluorobutyl acrylate was added dropwise, and the reaction was carried out for 5-5.5 h. The solvent was removed by vacuum distillation to obtain amino-modified silicone oil.

2. The silicone oil emulsion for deepening according to claim 1, characterized in that: The aminosilane coupling agent is selected from coupling agent HD-110, and the organosilicon linear body is selected from hydroxyl-terminated polydimethylsiloxane.

3. The silicone oil emulsion for deepening according to claim 1, characterized in that: The catalyst is selected from one or more of potassium hydroxide, sodium hydroxide, and tetramethylammonium hydroxide.

4. The silicone oil emulsion for deepening according to claim 1, characterized in that: The emulsifier is selected from one or more of isotridecyl alcohol polyoxyethylene ether, lauryl alcohol polyoxyethylene ether, and isodecyl alcohol polyoxyethylene ether.

5. The silicone oil emulsion for deepening according to claim 1, characterized in that: The organic acid is selected from one or more of acetic acid, glacial acetic acid, and formic acid.

6. A method for preparing a silicone oil emulsion according to any one of claims 1-5, characterized in that, Includes the following steps: Add hydrogen-containing silicone oil and a certain amount of toluene to a flask, heat and stir, add chloroplatinic acid at 50-55℃, and add a mixture of allyl polyoxyethylene polyoxypropylene ether and acrylate monomer dropwise to the flask at 87-90℃. Continue the reaction for 5-6 hours, remove the solvent by vacuum distillation, and obtain acrylate-modified polyether silicone oil. After mixing acrylate-modified polyether silicone oil, amino-modified silicone oil and emulsifier, stir and emulsify for 20-30 minutes, add organic acid and water, and continue stirring for 2-2.5 hours to obtain a silicone oil emulsion with increased viscosity.

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