CN109880181A - A kind of mould proof hydrophobic type sponge and preparation method thereof - Google Patents
A kind of mould proof hydrophobic type sponge and preparation method thereof Download PDFInfo
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- CN109880181A CN109880181A CN201910233377.4A CN201910233377A CN109880181A CN 109880181 A CN109880181 A CN 109880181A CN 201910233377 A CN201910233377 A CN 201910233377A CN 109880181 A CN109880181 A CN 109880181A
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Abstract
The invention discloses a kind of mould proof hydrophobic type sponges and preparation method thereof, using the nano-cellulose of hydrophobically modified as organism material, for green environmental protection degradable material, with good biocompatibility, prepared sponge has good hydrophobic and waterproof performance, rapid draing can be realized after sponge sucks in water, be chronically at wet environment after preventing sponge from absorbing water and adsorbed the microorganisms such as empty bacterium and generate mildew；Using natural biological mould inhibitor, the use of chemical agent is avoided, toxicity is lower, and anti-mold effect is more preferable.
Description
Technical field
The invention belongs to sponge product technical fields, and in particular to a kind of mould proof hydrophobic type sponge and preparation method thereof.
Background technique
Sponge is a kind of extremely common porous material, has good water imbibition, partially has good elasticity, deformation
Restorative etc. performance can be used in clean article or the seat cushion for producing some comfortable softnesses.
Artificial sponge has existed for the history of decades as a kind of daily necessities.It sells currently on the market
Sponge kind articles, are mainly prepared by polyurethane and polystyrene, and not only its production process pollutes the environment, and it is discarded after
Sponge be difficult to degrade.The raw material of artificial sponge is mainly derived from petroleum, with the continuous reduction of petroleum resources, raw material sources
It will be a serious problem.Into after 21st century, people have further insight to environmental protection, are bound to have a kind of new
Environment-friendly type sponge substituted.
For at present, the manufacturing cost of sponge is positively correlated with sponge density in the market, and density is higher, and cost is also higher, but
The physical property of low-density sponge is often not so good as high-density sponge, especially as in terms of use, thus seek
A kind of low-density of mechanical property standard needed for low-density but has excellent mechanical performances that can meet seat cushion sponge in the world is high-elastic
Property sponge is a great development direction.The pollution produced during the preparation process of sponge is larger at present simultaneously, and sponge is mostly artificial high poly-
Object is difficult to degrade, and foaming agent causes damages to people in foaming process, pollute the environment and one urgently to be resolved is asked
Topic.
Summary of the invention
For the preparation process for solving the problems, such as current sponge, the present invention provides a kind of environmental-friendly and have excellent
The mould proof hydrophobic type sponge of good mechanical property.
To achieve the above object, the invention adopts the following technical scheme:
A kind of mould proof hydrophobic type sponge, the mould proof hydrophobic type sponge prepare the substance that raw material includes following parts by weight: dredging
60~70 parts of nano-cellulose of water modification, 1~10 parts by weight of mould inhibitor, 3~7 parts by weight of modifying agent, guar gum hydroxypropyl three
10~20 parts of ammonio methacrylate, 1~5 part of foaming agent, 1.1~2.5 parts by weight of 2.5~4.5 parts by weight of glycerol and boric acid.
Preferably, the mould proof hydrophobic type sponge prepares the substance that raw material includes following parts by weight: nanofiber
65~70 parts of element, 3~8 parts by weight of mould inhibitor, 4~5 parts by weight of modifying agent, guar hydroxypropyltrimonium ammonium chloride 15~20
Part, 3~5 parts of foaming agent, 1.1~2.5 parts by weight of 2.5~4.5 parts by weight of glycerol and boric acid.
Preferably, the mould inhibitor is natural plants mould inhibitor.
Preferably, the mould inhibitor is made of the raw material of following weight proportion: 2~30 parts of nutgall extractive, garlic
2~5 parts of essential oil, 3~15 parts of tea tree ethereal oil, 15~30 parts of Leonurus extract and 1~3 part of antioxidant.
Preferably, the modifying agent is polyvinyl alcohol and/or polyethylene glycol；
Preferably, the foaming agent is the mixture of liquid carbon dioxide and liquid nitrogen.
Preferably, the hydrophobically modified nano-cellulose is organosilane-modified nano-cellulose, described has
Organic silane preparation be selected from hexamethyldisilazane, butyl trimethyl silane, trimethyl silane, tetramethylsilane and
One of tetrabutyl silane is a variety of；The nano-cellulose be selected from Cellulose nanocrystal body, it is cellulose nano-fibrous, receive
One of rice bamboo fibre is a variety of.
The preparation method of the mould proof hydrophobic type sponge includes following preparation step:
1) a certain amount of nano-cellulose is weighed, is added in reactor, air three times, is then taken out true in nitrogen metathesis reactor
Sky control reactor pressure then passes to organosilan steam in 20~30kpa, is heated to 50~100 DEG C, reaction 2~5 is small
When to get hydrophobically modified nano-cellulose；
2) nano-cellulose of the resulting hydrophobically modified of step 1) is added in sodium hydroxide/thiourea solution, is sufficiently stirred molten
The solution A of solution；
3) solution A for obtaining step 2 is diluted to the solution B that mass fraction is 5~10%, by guar hydroxypropyltrimonium chlorine
Change ammonium powder and be configured to the aqueous solution that mass fraction is 3~5% with deionized water, by a certain percentage with solution B by the aqueous solution
Mould inhibitor, boric acid and glycerol is added in mixing, stirs 1~2 hour, obtains mixed liquor；
4) foaming agent being added into the mixed liquor that step 3) obtains, stirring foaming 2~3 hours, obtains expanding foam solution；
5) expanding foam solution that step 4) obtains is imported in mold and is directly freeze-dried, after freeze-dried 10~20 hours
To the mould proof hydrophobic type sponge.
Preferably, organic-silylation preparation described in step 1) be selected from hexamethyldisilazane, butyl trimethyl silane,
One of trimethyl silane, tetramethylsilane and tetrabutyl silane are a variety of.
Preferably, freeze-drying temperature described in step 5) is -20~-25 DEG C.
Using the nano-cellulose of hydrophobically modified as basis material in the present invention, prepared sponge has good dredge
Water and waterproof performance can realize rapid draing after sponge sucks in water, be chronically at wet environment after preventing sponge from absorbing water and
It adsorbs the microorganisms such as empty bacterium and generates mildew, and will not influence the mechanics of sponge using hydrophobically modified nano-cellulose of the invention
Performance, gained sponge have extremely outstanding performance in terms of elasticity modulus and compression set value two.
The addition of glycerol and boric acid can further promote water imbibition, water retention and the flexibility index of sponge, this be by
It can disperse in glycerol molecule and be embedded in the macromolecular of nano-cellulose Yu guar hydroxypropyltrimonium ammonium chloride mixed system
Between, weaken molecule hydrogen bond, there is certain adjustment effect to the macromolecular structure in mixed system, and after glycerol molecule insertion
The relative length of nano-cellulose macromolecular chain can be increased, form Filamentous tissue, meeting and melon after mixed system is added in boric acid
Your glue hydroxypropyl-trimethyl ammonium chloride, glycerol activity hydroxy generation coordination, further increase the flexibility of sponge.
The present invention compared to the prior art, beneficial effects of the present invention:
1) present invention is green environmental protection degradable material, has good using the nano-cellulose of hydrophobically modified as organism material
Good biocompatibility, prepared sponge have good hydrophobic and waterproof performance, can realize after sponge sucks in water quick
It is dry, wet environment is chronically at after preventing sponge from absorbing water and is adsorbed the microorganisms such as empty bacterium and is generated mildew；
2) natural biological mould inhibitor is used, the use of chemical agent is avoided, due to the toxicity that chemical agent all has, makes
Different in do harm to huamn body, natural biological mould inhibitor toxicity of the invention is low, and anti-mold effect is good.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
[embodiment 1]
1) 30g nano-cellulose is weighed, is added in reactor, air three times, then vacuumizes control in nitrogen metathesis reactor
Reactor pressure processed then passes to hexamethyldisilazane steam 200mL in 25kpa, is heated to 100 DEG C, reacts 5 hours, i.e.,
Obtain the nano-cellulose of hydrophobically modified；
2) the resulting hydrophobic nanofiber of 70g step 1) is added to the sodium hydroxide solution that the 10L concentration of the thiocarbamide containing 5g is 10%
In, the solution A of dissolution is sufficiently stirred；
3) solution A for obtaining step 2 is diluted to the solution B that mass fraction is 10%, by 15g guar hydroxypropyltrimonium chlorine
Change ammonium powder and be configured to the aqueous solution that mass fraction is 5% with deionized water, the aqueous solution is mixed by a certain percentage with solution B
It closes, 8g mould inhibitor, 4g boric acid and 6g glycerol is added, stir 2 hours, obtain mixed liquor；The mould inhibitor is by following weight proportion
Raw material composition: 5 parts of nutgall extractive, 5 parts of galic essential oil, 15 parts of tea tree ethereal oil, 30 parts of Leonurus extract and antioxidant
2 parts.
4) 5g foaming agent is added into the mixed liquor that step 3) obtains, stirring foaming 2 hours obtains expanding foam solution, described
Foaming agent is the mixture of liquid carbon dioxide and liquid nitrogen；
5) expanding foam solution for obtaining step 4) imports in mold, after freeze-drying 10 hours are directly carried out at -20~-25 DEG C,
Obtain the mould proof hydrophobic type sponge.
Detection can be carried out to prepared mould proof hydrophobicity sponginess, wherein Anti-mildew capability presses examination criteria B/T2591-
2003 reach I grades, and water imbibition≤200%, tensile modulus of elasticity >=18Mpa, elongation at break is more than or equal to 300%.
[embodiment 2]
1) 30g nano-cellulose is weighed, is added in reactor, air three times, then vacuumizes control in nitrogen metathesis reactor
Reactor pressure processed then passes to butyl trimethyl silane steam 200mL in 25kpa, is heated to 100 DEG C, reacts 5 hours, i.e.,
Obtain the nano-cellulose of hydrophobically modified；
2) the resulting hydrophobic nanofiber of 65g step 1) is added to the sodium hydroxide solution that the 10L concentration of the thiocarbamide containing 5g is 10%
In, the solution A of dissolution is sufficiently stirred；
3) solution A for obtaining step 2 is diluted to the solution B that mass fraction is 6 %, by 15g guar hydroxypropyltrimonium chlorine
Change ammonium powder and be configured to the aqueous solution that mass fraction is 3~5% with deionized water, by a certain percentage with solution B by the aqueous solution
6g mould inhibitor, 3 boric acid and 6g glycerol is added in mixing, stirs 2 hours, obtains mixed liquor；The mould inhibitor is by following weight proportion
Raw material composition: 14 parts of nutgall extractive, 4 parts of galic essential oil, 12 parts of tea tree ethereal oil, 20 parts of Leonurus extract and antioxidant
2 parts.
4) 4g foaming agent is added into the mixed liquor that step 3) obtains, stirring foaming 3 hours obtains expanding foam solution, described
Foaming agent is the mixture of liquid carbon dioxide and liquid nitrogen；
5) expanding foam solution for obtaining step 4) imports in mold, after freeze-drying 20 hours are directly carried out at -20~-25 DEG C,
Obtain the mould proof hydrophobic type sponge.
Detection can be carried out to prepared mould proof hydrophobicity sponginess, wherein Anti-mildew capability presses examination criteria B/T2591-
2003 reach I grades, and water imbibition≤200%, tensile modulus of elasticity >=18Mpa, elongation at break is more than or equal to 300%.
[embodiment 3]
1) 30g nano-cellulose is weighed, is added in reactor, air three times, then vacuumizes control in nitrogen metathesis reactor
Reactor pressure processed then passes to tetrabutyl silane steam 200mL in 25kpa, is heated to 100 DEG C, reacts 5 hours to get dredging
The modified nano-cellulose of water；
2) hydrophobic nanofiber that 70g step 1) obtains is added to the sodium hydroxide solution that the 10L concentration of the thiocarbamide containing 5g is 10%
In, the solution A of dissolution is sufficiently stirred；The solution A of dissolution is sufficiently stirred；
3) solution A for obtaining step 2 is diluted to the solution B that mass fraction is 10%, by 20g guar hydroxypropyltrimonium chlorine
Change ammonium powder and be configured to the aqueous solution that mass fraction is 5% with deionized water, the aqueous solution is mixed by a certain percentage with solution B
It closes, 3g mould inhibitor, 3g boric acid and 6g glycerol is added, stir 1 hour, obtain mixed liquor；The mould inhibitor is by following weight proportion
Raw material composition: 15 parts of nutgall extractive, 5 parts of galic essential oil, 6 parts of tea tree ethereal oil, 20 parts of Leonurus extract and antioxidant 2
Part.
4) 3g foaming agent is added into the mixed liquor that step 3) obtains, stirring foaming 2 hours obtains expanding foam solution, described
Foaming agent is the mixture of liquid carbon dioxide and liquid nitrogen；
5) expanding foam solution for obtaining step 4) imports in mold, after freeze-drying 10 hours are directly carried out at -20~-25 DEG C,
Obtain the mould proof hydrophobic type sponge.
Detection can be carried out to prepared mould proof hydrophobicity sponginess, wherein Anti-mildew capability presses examination criteria B/T2591-
2003 reach I grades, and water imbibition≤200%, tensile modulus of elasticity >=18Mpa, elongation at break is more than or equal to 300%.
[embodiment 4]
1) 30g nano-cellulose is weighed, is added in reactor, air three times, then vacuumizes control in nitrogen metathesis reactor
Reactor pressure processed then passes to hexamethyldisilazane steam 200mL in 25kpa, is heated to 100 DEG C, reacts 5 hours, i.e.,
Obtain the nano-cellulose of hydrophobically modified；
2) hydrophobic nanofiber that 65g step 1) obtains is added to the sodium hydroxide solution that the 10L concentration of the thiocarbamide containing 5g is 10%
In, the solution A of dissolution is sufficiently stirred；The solution A of dissolution is sufficiently stirred；
3) solution A for obtaining step 2 is diluted to the solution B that mass fraction is 5%, by 20g guar hydroxypropyltrimonium chlorine
Change ammonium powder and be configured to the aqueous solution that mass fraction is 3% with deionized water, the aqueous solution is mixed by a certain percentage with solution B
It closes, 5g mould inhibitor, 3g boric acid and 5g glycerol is added, stir 2 hours, obtain mixed liquor；The mould inhibitor is by following weight proportion
Raw material composition: 15 parts of nutgall extractive, 5 parts of galic essential oil, 6 parts of tea tree ethereal oil, 20 parts of Leonurus extract and antioxidant 2
Part.
4) 4g foaming agent is added into the mixed liquor that step 3) obtains, stirring foaming 1 hour obtains expanding foam solution, described
Foaming agent is the mixture of liquid carbon dioxide and liquid nitrogen；
5) expanding foam solution for obtaining step 4) imports in mold, after freeze-drying 20 hours are directly carried out at -20~-25 DEG C,
Obtain the mould proof hydrophobic type sponge.
Detection can be carried out to prepared mould proof hydrophobicity sponginess, wherein Anti-mildew capability presses examination criteria B/T2591-
2003 reach I grades, and water imbibition≤200%, tensile modulus of elasticity >=18Mpa, elongation at break is more than or equal to 300%.
Above description sufficiently discloses a specific embodiment of the invention.It should be pointed out that being familiar with the field
Range of any change that technical staff does a specific embodiment of the invention all without departing from claims of the present invention.
Correspondingly, the scope of the claims of the invention is also not limited only to previous embodiment.
Claims (10)
1. a kind of mould proof hydrophobic type sponge, it is characterised in that:
The mould proof hydrophobic type sponge prepares the substance that raw material includes following parts by weight: the nano-cellulose 60 of hydrophobically modified
~70 parts, 1~10 parts by weight of mould inhibitor, 3~7 parts by weight of modifying agent, 10~20 parts of guar hydroxypropyltrimonium ammonium chloride, hair
1~5 part of infusion, 1.1~2.5 parts by weight of 2.5~4.5 parts by weight of glycerol and boric acid.
2. mould proof hydrophobic type sponge according to claim 1, it is characterised in that: the preparation of the mould proof hydrophobic type sponge is former
Material includes the substance of following parts by weight: 65~70 parts of nano-cellulose, 3~8 parts by weight of mould inhibitor, and 4~5 weight of modifying agent
Part, 15~20 parts of guar hydroxypropyltrimonium ammonium chloride, 3~5 parts of foaming agent, 2.5~4.5 parts by weight of glycerol and boric acid 1.1
~2.5 parts by weight.
3. mould proof hydrophobic type sponge according to claim 1, which is characterized in that the mould inhibitor is that natural plants are mould proof
Agent.
4. mould proof hydrophobic type sponge according to claim 3, which is characterized in that the mould inhibitor is by following weight proportion
Raw material composition: 2~30 parts of nutgall extractive, 2~5 parts of galic essential oil, 3~15 parts of tea tree ethereal oil, Leonurus extract 15~
30 parts and 1~3 part of antioxidant.
5. mould proof hydrophobic type sponge according to claim 4, which is characterized in that the modifying agent be polyvinyl alcohol and/or
Polyethylene glycol.
6. mould proof hydrophobic type sponge according to claim 1, which is characterized in that the foaming agent is liquid carbon dioxide
With the mixture of liquid nitrogen.
7. mould proof hydrophobic type sponge according to claim 1, which is characterized in that the hydrophobically modified nano-cellulose is
Organosilane-modified nano-cellulose, the organic-silylation preparation are selected from hexamethyldisilazane, butyl trimethyl silicane
One of alkane, trimethyl silane, tetramethylsilane and tetrabutyl silane are a variety of；The nano-cellulose choosing
From one of Cellulose nanocrystal body, cellulose nano-fibrous, nano bamboo fiber or a variety of.
8. the preparation method of mould proof hydrophobic type sponge according to claim 1-7, it is characterised in that: including following
Preparation step:
1) a certain amount of nano-cellulose is weighed, is added in reactor, air three times, is then taken out true in nitrogen metathesis reactor
Sky control reactor pressure then passes to organosilan steam in 20~30kpa, is heated to 50~100 DEG C, reaction 2~5 is small
When to get hydrophobically modified nano-cellulose；
2) nano-cellulose of the resulting hydrophobically modified of step 1) is added in sodium hydroxide/thiourea solution, is sufficiently stirred molten
The solution A of solution；
3) solution A for obtaining step 2 is diluted to the solution B that mass fraction is 5~10%, by guar hydroxypropyltrimonium chlorine
Change ammonium powder and be configured to the aqueous solution that mass fraction is 3~5% with deionized water, by a certain percentage with solution B by the aqueous solution
Mould inhibitor, boric acid and glycerol is added in mixing, stirs 1~2 hour, obtains mixed liquor；
4) foaming agent being added into the mixed liquor that step 3) obtains, stirring foaming 2~3 hours, obtains expanding foam solution；
5) expanding foam solution that step 4) obtains is imported in mold and is directly freeze-dried, after freeze-dried 10~20 hours
To the mould proof hydrophobic type sponge.
9. the preparation method of mould proof hydrophobic type sponge according to claim 8, it is characterised in that: organic described in step 1)
Silanization preparation is selected from hexamethyldisilazane, butyl trimethyl silane, trimethyl silane, tetramethylsilane and four
One of butylsilane is a variety of.
10. the preparation method of mould proof hydrophobic type sponge according to claim 8, it is characterised in that: freezed described in step 5)
Drying temperature is -20~-25 DEG C.
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| CN201910233377.4A CN109880181A (en) | 2019-03-26 | 2019-03-26 | A kind of mould proof hydrophobic type sponge and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111849002A (en) * | 2020-07-20 | 2020-10-30 | 华南理工大学 | High-dimensional-stability cellulose-based transparent waterproof film and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212211A (en) * | 2011-04-15 | 2011-10-12 | 新疆大学 | Method for preparing cellulose sponge |
| CN107189111A (en) * | 2016-11-23 | 2017-09-22 | 浙江美华鼎昌医药科技有限公司 | A kind of preparation method of cellulose composite sponge |
| CN107383435A (en) * | 2017-08-03 | 2017-11-24 | 浙江大学台州研究院 | A kind of fresh-keeping preparation method for carrying medicine sponge of Cellulose/Chitosan base nanometer |
-
2019
- 2019-03-26 CN CN201910233377.4A patent/CN109880181A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102212211A (en) * | 2011-04-15 | 2011-10-12 | 新疆大学 | Method for preparing cellulose sponge |
| CN107189111A (en) * | 2016-11-23 | 2017-09-22 | 浙江美华鼎昌医药科技有限公司 | A kind of preparation method of cellulose composite sponge |
| CN107383435A (en) * | 2017-08-03 | 2017-11-24 | 浙江大学台州研究院 | A kind of fresh-keeping preparation method for carrying medicine sponge of Cellulose/Chitosan base nanometer |
Non-Patent Citations (1)
| Title |
|---|
| 刘洁: "纤维素海绵及其集合相变储能材料的制备及性能研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111849002A (en) * | 2020-07-20 | 2020-10-30 | 华南理工大学 | High-dimensional-stability cellulose-based transparent waterproof film and preparation method thereof |
| CN111849002B (en) * | 2020-07-20 | 2021-08-06 | 华南理工大学 | High-dimensional-stability cellulose-based transparent waterproof film and preparation method thereof |
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