CN109826012A - A kind of durable hydrophilic finishing agent and preparation method thereof for non-woven cloth - Google Patents
A kind of durable hydrophilic finishing agent and preparation method thereof for non-woven cloth Download PDFInfo
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- CN109826012A CN109826012A CN201910039441.5A CN201910039441A CN109826012A CN 109826012 A CN109826012 A CN 109826012A CN 201910039441 A CN201910039441 A CN 201910039441A CN 109826012 A CN109826012 A CN 109826012A
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Abstract
The durable hydrophilic finishing agent and preparation method thereof that the invention discloses a kind of for non-woven cloth, the durable hydrophilic finishing agent for non-woven cloth, is prepared as a raw material with decentralized medium, organic monomer, emulsifier, initiator, pH adjusting agent, diluent and aqueous silica solution.The method for preparing the hydrophilic finishing agent, the following steps are included: decentralized medium, organic monomer, emulsifier and pH agent are sequentially added in reaction kettle and are stirred by (1), then initiator is added and starts timing, mixed liquor is poured out after reaction, the component A of hydrophilic finishing agent is obtained after filtering；(2) it is stirred after mixing aqueous silica solution and diluent, B component of the mixed liquor as hydrophilic finishing agent；(3) component A and B component are mixed to get hydrophilic finishing agent.Hydrophilic finishing agent performance prepared by the present invention is stable, cheap, and preparation process is easy to be controllable；Non-woven cloth is after the arrangement of this hydrophilic finishing agent, and hydrophilicity enhances and durability is good.
Description
Technical field
The invention belongs to technical field of polymer materials, it is related to a kind of hydrophilic finishing agent and preparation method thereof, especially relates to
And a kind of durable hydrophilic finishing agent and preparation method thereof for non-woven cloth.
Background technique
Currently, the just thriving development of nonwoven industry, non-woven cloth have play further important in daily life
Role, in medical material, filtering material, take material, ornament materials, amenities wiping material, geotechnique and building etc.
The application in field is very universal.However the requirement of different field or occasion to non-woven cloth used is but not to the utmost.Some
Specialities often require that it has when applying non-woven cloth in water filtering product, amenities and Wiping article etc.
Good hydrophily.
Show that raw material sources are stable, intensity is high, wear-resisting, chemical stability by the non-woven cloth that polypropylene or polyester form
The advantages that good and low in cost, biggish share is occupied in non-woven cloth.However, polypropylene or the equal crystallinity of polyester compared with
Height, molecular structure is more close and itself does not contain hydrophilic radical, causes the polypropylene being made from it or polyester non-woven fabric past
Toward all showing poor hydrophily, water droplet is not easy to sprawl and permeate on cloth cover, and this severely limits it in water filtering, defends
The application in the raw fields such as articles and wiper.
Currently, the mode for carrying out hydrophilic treated to hydrophobic polypropylene/polyester non-woven fabric usually has precursor modification, surface
Graft modification, corona treatment and hydrophilic final finishing etc..In contrast, by applying hydrophilic finiss in nonwoven fabric surface
Agent, then through heat bake processing be attached to hydrophilic agent on fiber obtain hydrophilic final finishing mode show it is easy to operate,
The advantages that low, low in cost, is required to instrument and equipment, causes the extensive concern of researcher.In hydrophilic afterfinish method, apply
It is the most mature and convenient to obtain hydrophilic polypropylene/polyester non-woven fabric to add hydrophilic surfactant, however this side
The usual washing fastness of formula is poor, is not able to maintain the hydrophilic persistence of non-woven cloth, is generally mainly used in some disposable erasings
Product, such as wet tissue, wiper are shown apparent in terms of pursuing the good hydrophilic nonwoven products application of durability
Disadvantage.More pursuit is environmentally friendly and thrifty for current social, how to reduce the consumption of the energy and resource, it is disposable to lower non-degradable
The utilization rate of hydrophilic nonwoven cloth product has become research hotspot, and wherein develops non-woven cloth durable hydrophilic finishing agent
Become extremely urgent.
Summary of the invention
The durable hydrophilic finishing agent and preparation method thereof that the purpose of the present invention is to provide a kind of for non-woven cloth, it is first
The component A as made from decentralized medium, organic monomer, emulsifier, initiator and pH adjusting agent aggregated reaction is first prepared, then will
Diluent and silica carry out mixing as B component, by mixing component A and B component to get to for the resistance to of non-woven cloth
Long property hydrophilic finishing agent.Non-woven cloth is after the arrangement of this hydrophilic finishing agent, and hydrophilicity enhances and durability is good.
In order to solve the above-mentioned technical problem, it adopts the following technical scheme that
A kind of durable hydrophilic finishing agent for non-woven cloth, which is characterized in that by the raw material system of following parts by weight
It is standby to form: 70-90 parts of decentralized medium, 10-30 parts of organic monomer, 0.1-0.3 parts of emulsifier, 0.15-0.45 parts of initiator, pH tune
Agent 0.05-0.15 parts of section, 60-80 parts of diluent, 30-40 parts of silica.
Preferably, the decentralized medium is the mixed liquor of water and isopropanol, wherein the ratio of water and isopropanol is 7:3
Or 8:2.
Preferably, the organic monomer is made of styrene, acrylic acid and butyl acrylate, the wherein ratio of three
For 7:2:1 or 8:1:1.
Preferably, the emulsifier is the mixed liquor of Tween 80 and Span 80, wherein the ratio of the two is 3:2.
Preferably, the initiator is one of ammonium persulfate and potassium peroxydisulfate.
Preferably, the diluent is one of ethyl alcohol and isopropanol.
Preferably, the silica dispersions solid content is 30% and its partial size is less than 100nm.
A kind of preparation method of the durable hydrophilic finishing agent for non-woven cloth, it is characterised in that: the following steps are included:
(1) decentralized medium, organic monomer, emulsifier and pH agent are sequentially added in reaction kettle and is stirred, to reaction kettle
Initiator is added when temperature rises to 85 DEG C and starts timing, pours out mixed liquor from reaction kettle after reacting 7h, is fallen with the screen to filtrate
Component A after a small amount of condensation product i.e. as hydrophilic finishing agent；
(2) it after mixing aqueous silica solution and diluent, is uniformly mixed under 500r/min mechanical stirring, mixed liquor
B component as hydrophilic finishing agent；
(3) component A and B component are mixed to get hydrophilic finishing agent.
A kind of application method of the durable hydrophilic finishing agent for non-woven cloth, it is characterised in that: hydrophilic agent passes through leaching
Roll arrangement of the mode applied to pure PP or pure PET non-woven cloth.
As a result of the above technical solution, the following beneficial effects are obtained:
Due to using above-mentioned technical proposal, compared with prior art, the present invention having an advantage in that the present invention is hydrophilic whole
It is stable, cheap to manage agent performance, preparation process is easy to be controllable；Non-woven cloth is after the arrangement of this hydrophilic finishing agent, hydrophilicity
Enhance and durability is good, is suitable for a variety of occasions and uses.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the FESEM image of pure PP non-woven cloth in embodiment 1；
Fig. 2 be in embodiment 1 pure PP non-woven cloth through hydrophilic finishing agent treated FESEM image；
Fig. 3 is the FESEM image of the hydrophilic pure PP non-woven cloth after washing machine cleans in embodiment 1.
Specific embodiment
Below with reference to specific embodiment, the invention will be further described:
In the following embodiments, unless otherwise instructed, reagent used, material and facility are commercially bought,
Perhaps conventional method is made or the industry is common.
Embodiment 1
(1) preparation of durable hydrophilic finishing agent
1) decentralized medium that is made of 70 parts by 7:3 mass ratio water and isopropanol, 20 parts by styrene, acrylic acid and third
Organic monomer that olefin(e) acid butyl ester is formed by 7:2:1 mass ratio, 0.2 part of cream being made of Tween 80 and Span 80 by 3:2 mass ratio
Agent and 0.1 part of sodium bicarbonate (pH adjusting agent) sequentially add in reaction kettle and are stirred, when temperature of reaction kettle rises to 85 DEG C
0.3 part of initiator ammonium persulfate is added and starts timing, pours out mixed liquor from reaction kettle after reacting 7h, is fallen with the screen to filtrate few
Component A after amount condensation product i.e. as hydrophilic finishing agent；
2) after by 35 parts of solid contents for 30% aqueous silica solution and 70 parts of ethyl alcohol (diluent) mixing, in 500r/
It is uniformly mixed under min mechanical stirring, B component of the mixed liquor as hydrophilic finishing agent；
3) component A and B component are mixed to get durable hydrophilic finishing agent.
(2) non-woven cloth hydrophilic finiss
Pure PP non-woven cloth is impregnated in 30s in gained hydrophilic finishing agent, then the bottom roll Jing Guo 0.3MPa pressure, warp
To get durable hydrophilic PP non-woven cloth after drying.
Through the micro- sem observation of Scanning Electron, the fiber surface in untreated pure PP nonwoven fabric is bright and clean, as shown in Figure 1；Through
Fiber surface in hydrophilic finishing agent treated PP non-woven cloth is coated with the film of one layer of nano particle composition, such as Fig. 2 institute
Show；The fiber surface in PP non-woven cloth after the hydrophilic cleaning of washing machine still preserves more complete nanometer particle film, such as
Shown in Fig. 3.
After tested, wetting time of the water droplet on hydrophily PP non-woven cloth is less than 1s.It will be processed through hydrophilic finishing agent
Non-woven cloth be placed in roller washing machine it is hydrophilic cleaning 10 times, dried after taking-up, the wetting time of water droplet is still less than 1s, shows
Preparation gained hydrophilic finishing agent has durability.
Embodiment 2
(1) preparation of durable hydrophilic finishing agent
1) decentralized medium that is made of 70 parts by 8:2 mass ratio water and isopropanol, 10 parts by styrene, acrylic acid and third
Organic monomer that olefin(e) acid butyl ester is formed by 7:2:1 mass ratio, 0.1 part of cream being made of Tween 80 and Span 80 by 3:2 mass ratio
Agent and 0.05 part of sodium bicarbonate (pH adjusting agent) sequentially add in reaction kettle and are stirred, when temperature of reaction kettle rises to 85 DEG C
0.1 part of initiator potassium persulfate is added and starts timing, pours out mixed liquor from reaction kettle after reacting 7h, is fallen with the screen to filtrate few
Component A after amount condensation product i.e. as hydrophilic finishing agent；
2) after by 30 parts of solid contents for 30% aqueous silica solution and 80 parts of ethyl alcohol (diluent) mixing, in 500r/
It is uniformly mixed under min mechanical stirring, B component of the mixed liquor as hydrophilic finishing agent；
3) component A and B component are mixed to get durable hydrophilic finishing agent.
(2) non-woven cloth hydrophilic finiss
Pure PET non-woven cloth is impregnated in 30s in gained hydrophilic finishing agent, then the bottom roll Jing Guo 0.3MPa pressure,
After drying to get durable hydrophilic PET non-woven cloth.
After tested, wetting time of the water droplet on hydrophily PET non-woven cloth is less than 1s.It will be processed through hydrophilic finishing agent
Non-woven cloth be placed in roller washing machine it is hydrophilic cleaning 10 times, dried after taking-up, the wetting time of water droplet is still less than 1s, shows
Preparation gained hydrophilic finishing agent has durability.
Embodiment 3
(1) preparation of durable hydrophilic finishing agent
1) decentralized medium that is made of 90 parts by 7:3 mass ratio water and isopropanol, 30 parts by styrene, acrylic acid and third
Organic monomer that olefin(e) acid butyl ester is formed by 8:1:1 mass ratio, 0.3 part of cream being made of Tween 80 and Span 80 by 3:2 mass ratio
Agent and 0.15 part of sodium bicarbonate (pH adjusting agent) sequentially add in reaction kettle and are stirred, when temperature of reaction kettle rises to 85 DEG C
0.3 part of initiator potassium persulfate is added and starts timing, pours out mixed liquor from reaction kettle after reacting 7h, is fallen with the screen to filtrate few
Component A after amount condensation product i.e. as hydrophilic finishing agent；
2) after by 40 parts of solid contents for 30% aqueous silica solution and 60 parts of isopropanols (diluent) mixing,
It is uniformly mixed under 500r/min mechanical stirring, B component of the mixed liquor as hydrophilic finishing agent；
3) component A and B component are mixed to get durable hydrophilic finishing agent.
(2) non-woven cloth hydrophilic finiss
Pure PP non-woven cloth is impregnated in 30s in gained hydrophilic finishing agent, then the bottom roll Jing Guo 0.3MPa pressure, warp
To get durable hydrophilic PET non-woven cloth after drying.
After tested, wetting time of the water droplet on hydrophily PET non-woven cloth is less than 1s.It will be processed through hydrophilic finishing agent
Non-woven cloth be placed in roller washing machine it is hydrophilic cleaning 10 times, dried after taking-up, the wetting time of water droplet is still less than 1s, shows
Preparation gained hydrophilic finishing agent has durability.
Embodiment 4
(1) preparation of durable hydrophilic finishing agent
1) decentralized medium that is made of 80 parts by 8:2 mass ratio water and isopropanol, 20 parts by styrene, acrylic acid and third
Organic monomer that olefin(e) acid butyl ester is formed by 8:1:1 mass ratio, 0.2 part of cream being made of Tween 80 and Span 80 by 3:2 mass ratio
Agent and 0.1 part of sodium bicarbonate (pH adjusting agent) sequentially add in reaction kettle and are stirred, when temperature of reaction kettle rises to 85 DEG C
0.2 part of initiator potassium persulfate is added and starts timing, pours out mixed liquor from reaction kettle after reacting 7h, is fallen with the screen to filtrate few
Component A after amount condensation product i.e. as hydrophilic finishing agent；
2) after by 35 parts of solid contents for 30% aqueous silica solution and 70 parts of isopropanols (diluent) mixing,
It is uniformly mixed under 500r/min mechanical stirring, B component of the mixed liquor as hydrophilic finishing agent；
3) component A and B component are mixed to get durable hydrophilic finishing agent.
(2) non-woven cloth hydrophilic finiss
Pure PET non-woven cloth is impregnated in 30s in gained hydrophilic finishing agent, then the bottom roll Jing Guo 0.3MPa pressure,
After drying to get durable hydrophilic PET non-woven cloth.
After tested, wetting time of the water droplet on hydrophily PET non-woven cloth is less than 1s.It will be processed through hydrophilic finishing agent
Non-woven cloth be placed in roller washing machine it is hydrophilic cleaning 10 times, dried after taking-up, the wetting time of water droplet is still less than 1s, shows
Preparation gained hydrophilic finishing agent has durability.
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technical effect is realized, made ground simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (10)
1. a kind of durable hydrophilic finishing agent for non-woven cloth, it is characterised in that: prepared by the raw material of following parts by weight
Form: 70-90 parts of decentralized medium, 10-30 parts of organic monomer, 0.1-0.3 parts of emulsifier, 0.15-0.45 parts of initiator, pH are adjusted
0.05-0.15 parts of agent, 60-80 parts of diluent, 30-40 parts of silica.
2. a kind of durable hydrophilic finishing agent for non-woven cloth according to claim 1, it is characterised in that: described
Decentralized medium is the mixed liquor of water and isopropanol.
3. a kind of durable hydrophilic finishing agent for non-woven cloth according to claim 2, it is characterised in that: water and different
The ratio of propyl alcohol is 7:3 or 8:2.
4. a kind of durable hydrophilic finishing agent for non-woven cloth according to claim 1, it is characterised in that: described
Organic monomer is made of styrene, acrylic acid and butyl acrylate, and wherein the ratio of three is 7:2:1 or 8:1:1.
5. a kind of durable hydrophilic finishing agent for non-woven cloth according to claim 1, it is characterised in that: described
Emulsifier is the mixed liquor of Tween 80 and Span 80, wherein the ratio of the two is 3:2.
6. a kind of durable hydrophilic finishing agent for non-woven cloth according to claim 1, it is characterised in that: described
Initiator is one of ammonium persulfate and potassium peroxydisulfate.
7. a kind of durable hydrophilic finishing agent for non-woven cloth according to claim 1, it is characterised in that: described
Diluent is one of ethyl alcohol and isopropanol.
8. a kind of durable hydrophilic finishing agent for non-woven cloth according to claim 1, it is characterised in that: described
Silica dispersions solid content is 30% and its partial size is less than 100nm.
9. a kind of preparation method of the durable hydrophilic finishing agent for non-woven cloth as described in claim 1, feature exist
In including the following steps:
(1) decentralized medium, organic monomer, emulsifier and pH agent are sequentially added in reaction kettle and is stirred, to temperature of reaction kettle
Initiator is added when rising to 85 DEG C and starts timing, pours out mixed liquor from reaction kettle after reacting 7h, is fallen on a small quantity with the screen to filtrate
Component A after condensation product i.e. as hydrophilic finishing agent；
(2) it after mixing aqueous silica solution and diluent, is uniformly mixed under 500r/min mechanical stirring, mixed liquor conduct
The B component of hydrophilic finishing agent；
(3) component A and B component are mixed to get hydrophilic finishing agent.
10. a kind of application method of the durable hydrophilic finishing agent for non-woven cloth as described in claim 1, feature exist
In: arrangement of the hydrophilic agent by the mode of padding applied to pure PP or pure PET non-woven cloth.
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Cited By (2)
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| CN114351463A (en) * | 2021-12-20 | 2022-04-15 | 滁州天鼎丰非织造布有限公司 | Composite adhesive, application thereof, scour-dispersion-prevention water-filtration non-woven fabric and preparation method thereof |
| CN115418857A (en) * | 2022-08-25 | 2022-12-02 | 浙江恒泽环境科技有限公司 | Durable oil-proof finishing agent for non-woven fabric and preparation method thereof |
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| CN115418857A (en) * | 2022-08-25 | 2022-12-02 | 浙江恒泽环境科技有限公司 | Durable oil-proof finishing agent for non-woven fabric and preparation method thereof |
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