CN1865319A - Process for preparing nano grade amino silicon oil emulsion - Google Patents

Process for preparing nano grade amino silicon oil emulsion Download PDF

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Publication number
CN1865319A
CN1865319A CN 200610052056 CN200610052056A CN1865319A CN 1865319 A CN1865319 A CN 1865319A CN 200610052056 CN200610052056 CN 200610052056 CN 200610052056 A CN200610052056 A CN 200610052056A CN 1865319 A CN1865319 A CN 1865319A
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emulsion
silicon oil
nano grade
grade amino
oil emulsion
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CN 200610052056
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CN100543068C (en
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郑豪
秦晓燕
方青
柴云峰
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Zhejiang University ZJU
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Zhejiang University ZJU
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  • Silicon Polymers (AREA)

Abstract

The invention discloses a preparing method of nanometer grade amino silicon oil emulsion, which comprises the following steps: 1. dissolving cationic emulsifier and non-ionic emulsifier in the right amount water; dripping octamethyl pyrophosphoramide eptetrasiloxane; stirring at high speed; adding amino coupling; producing pre-emulsion through homogeneity; 2. adding the residual cationic emulsion; heating temperature to polymerization temperature; adding catalyst; dripping pre-emulsion; refluxing; cooling; adding glacial acetic acid to neutralize; producing nanometer grade amino silicon oil emulsion. The invention possesses small-grain radius gel particle, whose average grain size is among 10-50 nm.

Description

A kind of preparation method of nano grade amino silicon oil emulsion
Technical field
The invention belongs to textiles auxiliary agent field, relate to a kind of preparation method of nano grade amino silicon oil emulsion.
Background technology
The self-vulcanizing of amino silicon oil fabric softeners energy, it is big that amido silicon oil has adsorptive capacity, and good film-forming property combines characteristics such as fastness is strong with fiber, can improve chemical ﹠ blended fabric flexibility, wrinkle resistance, elasticity and tear strength, can give the fabric sofetening smooth hand.It is plentiful that the high viscosity amido silicon oil can make the polyester/cotton BLENDED FABRIC have, like cotton the same feel; More low viscous amido silicon oil then can make fabric that slick silk-like handle is arranged.The kind fabric finishing composition that amido silicon oil textile industry in recent years is most popular.The excellent flexibility that amido silicon oil had comes from its basic geometrical molecular configuration, because the main chain of polysiloxane is very soft, almost nil around the energy that the rotation of Si-O key is required, this shows that the rotation of polysiloxane is freely, can 360 ° of rotations, thus excellent flexibility obtained; And amino polarity is very strong, with interactions such as the hydroxyl of fiber surface and carboxyls, is adsorbed on the fiber very securely; The self-crosslinking of amido silicon oil can form reticulated structure at fiber surface, thereby very firm with combining of fiber, has good washable effect.Amido silicon oil can form stable emulsion even microemulsion simultaneously, has solved " floating oil " problem, thereby the application in weaving launches rapidly.Chinese market year needs 400,000 tons of textile softeners finishing compositions at present, and wherein the amido silicon oil soft finishing agent has accounted for 20,000 tons.
Amido silicon oil can not directly use owing to having very big viscosity, needs use with the water miscible liquid form.Though the surface energy of this type of silicone oil than dimethyl-silicon innage but low more than water, is difficult for making O/W type emulsion.The amido silicon oil of import often mixes emulsifying agent, but because price is high, the big thereby emulsion cost height made of blast blending proportioning, and the particle diameter of latex particle is big, skewness.
Nanotechnology is a kind of new technique that development in recent years is got up, nanotechnology is applied to the performance that the textiles soft finishing agent can greatly improve soft finishing agent, in the water miscible liquid system, if the particle diameter of latex particle is controlled between 1~50nm, performances such as the film forming properties of emulsion, film density, pliability will improve a lot, so emulsion nanoization is one of effective way that improves the fabric class.But adopt the preparation of this method the common emulsifier content height of nano level emulsion (>14%, w/w), limited its practical application greatly.
Summary of the invention
The preparation method who the purpose of this invention is to provide a kind of nano grade amino silicon oil emulsion.Method of the present invention has characteristics such as particle size analysis is little, narrow diameter distribution, emulsifier content is few, reaction process is easy to control.
The invention provides the method for preparing nano grade amino silicon oil emulsion, the inventive method specifically may further comprise the steps:
● in the single port flask, add suitable quantity of water, add partial cation type emulsifying agent and nonionic emulsifier, heating for dissolving dropwise adds octamethylcyclotetrasiloxane (D 4), and high-speed stirring, the back adds amino coupling agent, continues high-speed stirring, after the clarifixator homogeneous obtains pre-emulsion.
● reflux condensing tube is being housed, and dropping funnel is in the four-hole boiling flask of agitator, add a certain amount of water, add remaining cationic emulsifier again, dissolving is stirred, be warming up to polymerization temperature gradually, add catalyzer, dropwise add pre-emulsion, reflux a few hours, cooling adds Glacial acetic acid and is neutralized to neutrality.
Above-mentioned polymerization process adopts the semi-continuous emulsion polymerizing method.
Above-mentioned cats product is: cetyl trimethylammonium bromide (CTAB).
Above-mentioned non-ionic type compound emulsifying agent is: AEO-3 and AEO-9 or TX-4 and TX-10, and AEO-3: AEO-9, weight ratio is 0.01~10: 1, or TX-4: TX-10, weight ratio is 0.01~10: 1.
Above-mentioned cats product 0.01~9wt%, non-ionic type compound emulsifying agent consumption 0.01~2wt% is a benchmark with the gross weight of emulsion.
Above-mentioned catalyzer is Me 4NOH or NaOH.
Above-mentioned amino coupling agent is N-β one aminoethyl-γ-aminopropyl methyl dimethoxysilane (KBM-602), γ-divinyl triammonium propyl group methyl dimethoxysilane (HD-106).
Described pre-emulsion must be through the clarifixator homogeneous, and number of times is 1~5 time, and homogenizing time is respectively 1~22min.
The described pre-emulsion dropping time is 0.5~15h.
Described letex polymerization temperature is 70~100 ℃.The emulsion polymerization time is 1~20h.
Preparation method's emulsifier content of the present invention is few, and particle size analysis is little, and the median size of micelle is between 10~50nm, and reaction process is easy to control, makes the nano grade amino silicon oil emulsion narrow diameter distribution, amido silicon oil molecular weight M w8.0 * 10 3~2.4 * 10 4, the solid content of emulsion is 5~12% (w/w).
Embodiment
Embodiment 1
In the 250mL round-bottomed flask, add 2g cationic emulsifier CTAB and nonionic emulsifier AEO-9, each 1g of AEO-3 is dissolved in the water of 50mL, and weight ratio w (CTAB): w (AEO)=2: 1 dropwise adds the octamethylcyclotetrasiloxane D of 24mL 4, and high-speed stirring, the amino coupling agent KBM-602 continuation high-speed stirring that the back adds 2.4mL is even, and back homogeneous 15min on clarifixator obtains pre-emulsion.In the 250mL round-bottomed flask, add remaining cationic emulsifier CTAB in a certain amount of water, be warming up to 80 ℃ gradually, add the Me of 0.1mL 25% (w/v) 4NOH dropwise adds pre-emulsion, and is incubated 4 hours, and cooling adds Glacial acetic acid and is neutralized to neutrality.Used cationic emulsifier CTAB is 9% (w/w), and it is 26.9nm that laser particle analyzer is measured particle diameter.Scanning electronic microscope shows that particle diameter is about 20nm, and size distribution is even, amido silicon oil molecular weight M wBe 9.4 * 10 3, the ammonia value is 1.1.
Embodiment 2
With with embodiment 1 identical operations, it is TX-4 and TX-10 that difference is to add nonionic emulsifier, TX-4: the TX-10 weight ratio is 0.01~10: 1.
Embodiment 3
With with embodiment 1 identical operations, difference is temperature is risen to 100 ℃, it is 21.6nm that laser particle analyzer is measured particle diameter, amido silicon oil molecular weight M wBe increased to 2.4 * 10 4
Embodiment 4
With with embodiment 1 identical operations, difference is that monomer ratio is reduced to volume ratio v (D 4)/v (KBM-602) equals 5, and the amido silicon oil ammonia value that obtains increases to 1.7.
Embodiment 5
With with embodiment 1 identical operations, difference is emulsifying agent quality proportioning between 0.3<w (CTAB)/w (AEO)<2, particle diameter is all below 50nm.
Embodiment 6
With with embodiment 1 identical operations, difference is to add the NaOH that catalyzer is 25% (w/w), particle diameter is below 40nm.
Embodiment 7
With with embodiment 1 identical operations, it is γ-divinyl triammonium propyl group methyl dimethoxysilane (HD-106) that difference is to add amino coupling agent, particle diameter is below 40nm.

Claims (7)

1, a kind of preparation method of nano grade amino silicon oil emulsion may further comprise the steps:
● in reaction vessel, cationic emulsifier cetyl trimethylammonium bromide and nonionic emulsifier are dissolved in the suitable quantity of water high-speed stirring, dropwise add octamethylcyclotetrasiloxane, high-speed stirring adds amino coupling agent, reaction is after the clarifixator homogeneous obtains pre-emulsion;
● in reaction vessel, add remaining cationic emulsifier, be warming up to polymerization temperature gradually, add catalyzer, dropwise add pre-emulsion, reflux, cooling adds Glacial acetic acid and is neutralized to neutrality, obtains nano grade amino silicon oil emulsion; The cetyl trimethylammonium bromide of above-mentioned reaction is 0.01~9wt% of the gross weight of emulsion, the non-ionic type compound emulsifying agent is 0.01~2wt% of the gross weight of emulsion, the pre-emulsion dropping time is 0.5~15h, and polymerization temperature is 70~100 ℃, and the emulsion polymerization time is 1~20h.
2, according to the preparation method of the described nano grade amino silicon oil emulsion of claim 1, it is characterized in that described non-ionic type compound emulsifying agent is: AEO-3 and AEO-9, weight ratio is 0.01~10: 1.
3,, it is characterized in that described amino coupling agent is N-β one aminoethyl-γ-aminopropyl methyl dimethoxy oxygen base silicon, γ-divinyl triammonium propyl group methyl dimethoxysilane according to the preparation method of the described nano grade amino silicon oil emulsion of claim 1.
4, according to the preparation method of the described nano grade amino silicon oil emulsion of claim 1, it is characterized in that described non-ionic type compound emulsifying agent is: TX-4 and TX-10, weight ratio is 0.01~10: 1.
5,, it is characterized in that described catalyzer is Me according to the preparation method of the described nano grade amino silicon oil emulsion of claim 1 4NOH or NaOH.
6, according to the preparation method of the described nano grade amino silicon oil emulsion of claim 1, it is characterized in that described clarifixator homogeneous pre-emulsion, the homogeneous number of times is 1~5 time, homogenizing time is 1~22min.
7, the preparation method according to the described nano grade amino silicon oil emulsion of claim 1 makes the nano grade amino silicone oil microemulsion, and the median size that it is characterized in that micelle is at 10~50nm, and the solid content of emulsion is 5~12% (w/w), amido silicon oil molecular weight M w8.0 * 10 3~2.4 * 10 4
CNB2006100520567A 2006-06-20 2006-06-20 A kind of preparation method of nano grade amino silicon oil emulsion Expired - Fee Related CN100543068C (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101434704B (en) * 2008-12-19 2011-09-21 段新峰 Preparation of fluffy soft amino silicon oil emulsion
CN102336912A (en) * 2010-07-21 2012-02-01 宁波晨光纺织助剂有限公司 Silicone oil emulsion with multiple functional groups and preparation method thereof
CN101446038B (en) * 2008-12-31 2012-07-11 嘉兴银城精细化工有限公司 Brightening agent for fabrics and production method thereof
CN102965914A (en) * 2011-09-01 2013-03-13 晋江市德盛制衣织带有限公司 Novel soft hook and loop fastener
CN103321053A (en) * 2013-06-19 2013-09-25 江苏金太阳纺织科技有限公司 Multifunctional softener and preparation method for same
CN103951826A (en) * 2014-03-27 2014-07-30 中科院广州化学有限公司 Method for preparing high molecular weight polysiloxane mini-emulsion from long-chain alkyl polyoxyethelene quaternary ammonium salt emulsifier
CN104358108A (en) * 2014-10-21 2015-02-18 徐维青 Polyurethane oil preparation with general applicability
CN106589385A (en) * 2017-01-05 2017-04-26 佛山市顺德区德美瓦克有机硅有限公司 Low-yellowing quaternary ammonium type hydrophilic amino-modified silicone oil emulsion and preparation method thereof
CN108084440A (en) * 2017-12-28 2018-05-29 上海应用技术大学 A kind of high stable cationoid hydroxyl silicon oil emulsion and preparation method
CN108250454A (en) * 2018-01-05 2018-07-06 芜湖维软新材料有限公司 A kind of preparation method of silicone oil emulsion
CN109400879A (en) * 2018-09-25 2019-03-01 广东万翔宝诚实业有限公司 The method of soothing effect possessed by emulsion polymerization type silicone oil, skin skin care item emollient and enhancing skin care item
CN109537323A (en) * 2018-11-13 2019-03-29 上海纳米技术及应用国家工程研究中心有限公司 Amido silicone oil microemulsion/nano-titanium dioxide compound system preparation method and products thereof and application
CN110511396A (en) * 2019-09-06 2019-11-29 广州宏翼新材料有限公司 A kind of polymerization silicone oil emulsion and its preparation process
CN111334177A (en) * 2020-04-24 2020-06-26 杨建伟 Graphene modified polyurethane super-hydrophobic anticorrosive material and preparation method thereof
CN111501353A (en) * 2020-05-28 2020-08-07 扬州宏远新材料股份有限公司 Novel textile softening agent and preparation method thereof

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101434704B (en) * 2008-12-19 2011-09-21 段新峰 Preparation of fluffy soft amino silicon oil emulsion
CN101446038B (en) * 2008-12-31 2012-07-11 嘉兴银城精细化工有限公司 Brightening agent for fabrics and production method thereof
CN102336912A (en) * 2010-07-21 2012-02-01 宁波晨光纺织助剂有限公司 Silicone oil emulsion with multiple functional groups and preparation method thereof
CN102336912B (en) * 2010-07-21 2013-07-10 宁波晨光纺织助剂有限公司 Silicone oil emulsion with multiple functional groups and preparation method thereof
CN102965914A (en) * 2011-09-01 2013-03-13 晋江市德盛制衣织带有限公司 Novel soft hook and loop fastener
CN103321053B (en) * 2013-06-19 2015-06-10 江苏金太阳纺织科技有限公司 Multifunctional softener and preparation method for same
CN103321053A (en) * 2013-06-19 2013-09-25 江苏金太阳纺织科技有限公司 Multifunctional softener and preparation method for same
CN103951826A (en) * 2014-03-27 2014-07-30 中科院广州化学有限公司 Method for preparing high molecular weight polysiloxane mini-emulsion from long-chain alkyl polyoxyethelene quaternary ammonium salt emulsifier
CN103951826B (en) * 2014-03-27 2017-02-15 中科院广州化学有限公司 Method for preparing high molecular weight polysiloxane mini-emulsion from long-chain alkyl polyoxyethelene quaternary ammonium salt emulsifier
CN104358108A (en) * 2014-10-21 2015-02-18 徐维青 Polyurethane oil preparation with general applicability
CN106589385A (en) * 2017-01-05 2017-04-26 佛山市顺德区德美瓦克有机硅有限公司 Low-yellowing quaternary ammonium type hydrophilic amino-modified silicone oil emulsion and preparation method thereof
CN108084440A (en) * 2017-12-28 2018-05-29 上海应用技术大学 A kind of high stable cationoid hydroxyl silicon oil emulsion and preparation method
CN108250454A (en) * 2018-01-05 2018-07-06 芜湖维软新材料有限公司 A kind of preparation method of silicone oil emulsion
CN109400879A (en) * 2018-09-25 2019-03-01 广东万翔宝诚实业有限公司 The method of soothing effect possessed by emulsion polymerization type silicone oil, skin skin care item emollient and enhancing skin care item
CN109400879B (en) * 2018-09-25 2021-06-18 广东万翔宝诚实业有限公司 Emulsion polymerization type silicone oil, skin care product emollient for skin and method for enhancing emollient effect of skin care product
CN109537323A (en) * 2018-11-13 2019-03-29 上海纳米技术及应用国家工程研究中心有限公司 Amido silicone oil microemulsion/nano-titanium dioxide compound system preparation method and products thereof and application
CN110511396A (en) * 2019-09-06 2019-11-29 广州宏翼新材料有限公司 A kind of polymerization silicone oil emulsion and its preparation process
CN111334177A (en) * 2020-04-24 2020-06-26 杨建伟 Graphene modified polyurethane super-hydrophobic anticorrosive material and preparation method thereof
CN111501353A (en) * 2020-05-28 2020-08-07 扬州宏远新材料股份有限公司 Novel textile softening agent and preparation method thereof

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