CN110183582A - A kind of hydrophilically modified material can be used for medical grade and its preparation process - Google Patents
A kind of hydrophilically modified material can be used for medical grade and its preparation process Download PDFInfo
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- CN110183582A CN110183582A CN201910303043.XA CN201910303043A CN110183582A CN 110183582 A CN110183582 A CN 110183582A CN 201910303043 A CN201910303043 A CN 201910303043A CN 110183582 A CN110183582 A CN 110183582A
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- Prior art keywords
- medical grade
- modified material
- hydrophilically modified
- initiator
- solubilizer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/02—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of acids, salts or anhydrides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
Abstract
The invention discloses a kind of hydrophilically modified material that can be used for medical grade and its preparation process, methyl methacrylate, vinyl acetate, sodium acrylate, diolefinic monomer, crosslinking agent, initiator, catalyst, solubilizer, defoaming agents；The component proportion of above-mentioned raw materials is, methyl methacrylate 20 ~ 40%, vinyl acetate 10 ~ 20%, sodium acrylate 10 ~ 30%, diolefinic monomer 3 ~ 6%, crosslinking agent 4 ~ 12%, initiator 1 ~ 5%, catalyst 2 ~ 5%, solubilizer 1 ~ 2%, defoaming agent 0.5 ~ 1%, preparation process is the following steps are included: step 1, raw material are chosen；Step 2 is mixed；Step 3, ultrasonic reaction；Step 4, copolyreaction；Step 5, cross-linking reaction；Step 6 eliminates foam；Step 7, ultraviolet light irradiation；The invention is easy to operate, securely and reliably, can effectively reduce the hydrophilically modified material angle of water droplet Yu the medical grade, and hydrophily is high, is suitable for medical treatment, while only needing room temperature that can react and being made.
Description
Technical field
The present invention relates to hydrophilically modified field of material technology, specially a kind of hydrophilically modified material that can be used for medical grade
Material and its preparation process.
Background technique
Hydrophilically modified material is usually to be made of polyurethane material, since polyurethane material is containing highly polar carbamic acid
Ester group does not dissolve in non-polar group, has good hydrophily, resistance to ag(e)ing and adhesiveness, and polyurethane elastomer is used as synthesis
Leather, wire and cable and medical artificial organ etc.；The hydrophilically modified material of tradition is heated anti-in production using high-power electric appliance
It should be made, extremely waste of resource, and traditional water wetted material cost of manufacture is high, is unfavorable for economizing on resources, therefore, design a kind of available
In the hydrophilically modified material and its preparation process of medical grade be necessary.
Summary of the invention
The purpose of the present invention is to provide a kind of hydrophilically modified material that can be used for medical grade and its preparation processes, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme: a kind of hydrophilically modified material that can be used for medical grade
Material, methyl methacrylate, sodium acrylate, diolefinic monomer, crosslinking agent, initiator, catalyst, solubilizer, disappear at vinyl acetate
Infusion；The component proportion of above-mentioned raw materials is, methyl methacrylate 20 ~ 40%, vinyl acetate 10 ~ 20%, sodium acrylate 10 ~
30%, diolefinic monomer 3 ~ 6%, crosslinking agent 4 ~ 12%, initiator 1 ~ 5%, catalyst 2 ~ 5%, solubilizer 1 ~ 2%, defoaming agent
0.5 ~ 1%.
A kind of preparation method for the hydrophilically modified material can be used for medical grade includes the following steps: step 1, raw material choosing
It takes；Step 2 is mixed；Step 3, ultrasonic reaction；Step 4, copolyreaction；Step 5, cross-linking reaction；Step 6 disappears
Foam-expelling；Step 7, ultraviolet light irradiation；
Wherein in above-mentioned steps one, it is respectively according to the mass percentage of each component: methyl methacrylate 20 ~ 40%, vinegar
Sour ethylene 10 ~ 20%, sodium acrylate 10 ~ 30%, diolefinic monomer 3 ~ 6%, crosslinking agent 4 ~ 12%, initiator 1 ~ 5%, catalyst
2 ~ 5%, solubilizer 1 ~ 2%, defoaming agent 0.5 ~ 1% are chosen, and are weighed according to the sum of weight percent for 1；
Wherein in above-mentioned step two, be mixed the following steps are included:
1) methyl methacrylate is added after being cleaned reaction kettle, is warming up to 20-30 DEG C；
2) sodium acrylate and vinyl acetate are successively put into reaction kettle, is stirred；
3) pressurized hydrolysis obtains super absorbent resin after dry；
Wherein in above-mentioned step three, diolefinic monomer is added in super absorbent resin, passes through ultrasonic reaction 2h；
Wherein in above-mentioned step four, initiator copolymerization is added in mixture obtained in step 3, obtains low crosslinking degree
Sodium Polyacrylate；
Wherein in above-mentioned step five, the Sodium Polyacrylate of low crosslinking degree is added crosslinking agent and catalyst, normal-temperature reaction 1h,
Obtain high water absorbency polymer；
Wherein in above-mentioned step six, high water absorbency polymer is added into solubilizer and defoaming agent, reacts 2h- in a kettle
4h eliminates foam, obtains water wetted material；
Wherein in above-mentioned step seven, water wetted material is irradiated under ultraviolet light, the parent of medical grade can be obtained in natural coagulation
Watersoluble modified material.
According to the above technical scheme, the catalyst is using aluminium oxide as carrier.
According to the above technical scheme, the solubilizer uses tween, and defoaming agent uses silica.
According to the above technical scheme, the initiator uses radical initiator.
According to the above technical scheme, the step 2 2) in, mechanical stirring is used when reaction kettle stirs, and is passed through inert gas
Empty reaction kettle inner air.
According to the above technical scheme, in the step 3, constant temperature and pressure when ultrasonic reaction, the power of ultrasonic reaction is
1200W。
According to the above technical scheme, in the step 7, ultraviolet light irradiates 4-6h, UV power 30W.
Compared with prior art, the beneficial effects of the present invention are: the invention is easy to operate, securely and reliably, water is effectively reduced
The hydrophilically modified material angle of drop and the medical grade, hydrophily is high, and does not add noxious material, is suitable for medical treatment, simultaneously
It only needing room temperature that can react to be made, raw material are cheap, and it is at low cost, be conducive to save the cost and resource, and use and shine under ultraviolet light
Processing is penetrated, the hydrophily of the material is greatly promoted, it is user-friendly.
Detailed description of the invention
Fig. 1 is preparation technology flow chart of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution:
Embodiment 1:
A kind of hydrophilically modified material can be used for medical grade, it is characterised in that: formula includes: methyl methacrylate, acetic acid
Ethylene, sodium acrylate, diolefinic monomer, crosslinking agent, initiator, catalyst, solubilizer, defoaming agent；The group of above-mentioned raw materials is distributed
Than for methyl methacrylate 30%, sodium acrylate 30%, diolefinic monomer 6%, crosslinking agent 12%, draws vinyl acetate 10%
Send out agent 4%, catalyst 5%, solubilizer 2%, defoaming agent 1%.
A kind of preparation method for the hydrophilically modified material can be used for medical grade includes the following steps: step 1, raw material choosing
It takes；Step 2 is mixed；Step 3, ultrasonic reaction；Step 4, copolyreaction；Step 5, cross-linking reaction；Step 6 disappears
Foam-expelling；Step 7, ultraviolet light irradiation；
Wherein in above-mentioned steps one, it is respectively according to the mass percentage of each component: methyl methacrylate 30%, acetic acid second
Alkene 10%, diolefinic monomer 6%, crosslinking agent 12%, initiator 4%, catalyst 5%, solubilizer 2%, disappears at sodium acrylate 30%
Infusion 1% is weighed；
Wherein in above-mentioned step two, be mixed the following steps are included:
1) methyl methacrylate is added after being cleaned reaction kettle, is warming up to 20-30 DEG C；
2) sodium acrylate and vinyl acetate are successively put into reaction kettle, is stirred；
3) pressurized hydrolysis obtains super absorbent resin after dry；
Wherein in above-mentioned step three, diolefinic monomer is added in super absorbent resin, passes through ultrasonic reaction 2h；
Wherein in above-mentioned step four, initiator copolymerization is added in mixture obtained in step 3, obtains low crosslinking degree
Sodium Polyacrylate；
Wherein in above-mentioned step five, the Sodium Polyacrylate of low crosslinking degree is added crosslinking agent and catalyst, normal-temperature reaction 1h,
Obtain high water absorbency polymer；
Wherein in above-mentioned step six, high water absorbency polymer is added into solubilizer and defoaming agent, reacts 2h- in a kettle
4h eliminates foam, obtains water wetted material；
Wherein in above-mentioned step seven, water wetted material is irradiated under ultraviolet light, the parent of medical grade can be obtained in natural coagulation
Watersoluble modified material.
Embodiment 2:
A kind of hydrophilically modified material can be used for medical grade, it is characterised in that: formula includes: methyl methacrylate, acetic acid
Ethylene, sodium acrylate, diolefinic monomer, crosslinking agent, initiator, catalyst, solubilizer, defoaming agent；The group of above-mentioned raw materials is distributed
Than for methyl methacrylate 30%, sodium acrylate 25%, diolefinic monomer 6%, crosslinking agent 12%, draws vinyl acetate 15%
Send out agent 4%, catalyst 5%, solubilizer 2%, defoaming agent 1%.
A kind of preparation method for the hydrophilically modified material can be used for medical grade includes the following steps: step 1, raw material choosing
It takes；Step 2 is mixed；Step 3, ultrasonic reaction；Step 4, copolyreaction；Step 5, cross-linking reaction；Step 6 disappears
Foam-expelling；Step 7, ultraviolet light irradiation；
Wherein in above-mentioned steps one, it is respectively according to the mass percentage of each component: methyl methacrylate 30%, acetic acid second
Alkene 15%, diolefinic monomer 6%, crosslinking agent 12%, initiator 4%, catalyst 5%, solubilizer 2%, disappears at sodium acrylate 25%
Infusion 1% is weighed；
Wherein in above-mentioned step two, be mixed the following steps are included:
1) methyl methacrylate is added after being cleaned reaction kettle, is warming up to 20-30 DEG C；
2) sodium acrylate and vinyl acetate are successively put into reaction kettle, is stirred；
3) pressurized hydrolysis obtains super absorbent resin after dry；
Wherein in above-mentioned step three, diolefinic monomer is added in super absorbent resin, passes through ultrasonic reaction 2h；
Wherein in above-mentioned step four, initiator copolymerization is added in mixture obtained in step 3, obtains low crosslinking degree
Sodium Polyacrylate；
Wherein in above-mentioned step five, the Sodium Polyacrylate of low crosslinking degree is added crosslinking agent and catalyst, normal-temperature reaction 1h,
Obtain high water absorbency polymer；
Wherein in above-mentioned step six, high water absorbency polymer is added into solubilizer and defoaming agent, reacts 2h- in a kettle
4h eliminates foam, obtains water wetted material；
Wherein in above-mentioned step seven, water wetted material is irradiated under ultraviolet light, the parent of medical grade can be obtained in natural coagulation
Watersoluble modified material.
Embodiment 3:
A kind of hydrophilically modified material can be used for medical grade, it is characterised in that: formula includes: methyl methacrylate, acetic acid
Ethylene, sodium acrylate, diolefinic monomer, crosslinking agent, initiator, catalyst, solubilizer, defoaming agent；The group of above-mentioned raw materials is distributed
Than for methyl methacrylate 30%, sodium acrylate 20%, diolefinic monomer 6%, crosslinking agent 12%, draws vinyl acetate 20%
Send out agent 4%, catalyst 5%, solubilizer 2%, defoaming agent 1%.
A kind of preparation method for the hydrophilically modified material can be used for medical grade includes the following steps: step 1, raw material choosing
It takes；Step 2 is mixed；Step 3, ultrasonic reaction；Step 4, copolyreaction；Step 5, cross-linking reaction；Step 6 disappears
Foam-expelling；Step 7, ultraviolet light irradiation；
Wherein in above-mentioned step two, be mixed the following steps are included:
1) methyl methacrylate is added after being cleaned reaction kettle, is warming up to 20-30 DEG C；
2) sodium acrylate and vinyl acetate are successively put into reaction kettle, is stirred；
3) pressurized hydrolysis obtains super absorbent resin after dry；
Wherein in above-mentioned step three, diolefinic monomer is added in super absorbent resin, passes through ultrasonic reaction 2h；
Wherein in above-mentioned step four, initiator copolymerization is added in mixture obtained in step 3, obtains low crosslinking degree
Sodium Polyacrylate；
Wherein in above-mentioned step five, the Sodium Polyacrylate of low crosslinking degree is added crosslinking agent and catalyst, normal-temperature reaction 1h,
Obtain high water absorbency polymer；
Wherein in above-mentioned step six, high water absorbency polymer is added into solubilizer and defoaming agent, reacts 2h- in a kettle
4h eliminates foam, obtains water wetted material；
Wherein in above-mentioned step seven, water wetted material is irradiated under ultraviolet light, the parent of medical grade can be obtained in natural coagulation
Watersoluble modified material.
Each embodiment property comparison is as follows:
| Light transmittance/% | Water droplet and material surface angle/° | Material surface humidity/% | Appearance | |
| Embodiment 1 | 92 | 40 | 80 | Milky jelly |
| Embodiment 2 | 93 | 44 | 80 | Milky jelly |
| Embodiment 3 | 94 | 47 | 80 | Milky jelly |
| Contrast groups | 96 | 60 | 50 | Milky jelly |
Based on above-mentioned, it is an advantage of the current invention that the invention is easy to operate, securely and reliably, water droplet and the medical grade are effectively reduced
Hydrophilically modified material angle, hydrophily is high, and does not add noxious material, be suitable for medical treatment, while only need room temperature is sufficient
Reaction is made, and raw material are cheap, at low cost, is conducive to save the cost and resource, and using processing is irradiated under ultraviolet light, mentions significantly
The hydrophily of the material is risen, it is user-friendly.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of hydrophilically modified material that can be used for medical grade, it is characterised in that: formula includes: methyl methacrylate, vinegar
Sour ethylene, sodium acrylate, diolefinic monomer, crosslinking agent, initiator, catalyst, solubilizer, defoaming agent；The component of above-mentioned raw materials
Proportion is, methyl methacrylate 20 ~ 40%, vinyl acetate 10 ~ 20%, sodium acrylate 10 ~ 30%, diolefinic monomer 3 ~ 6%,
Crosslinking agent 4 ~ 12%, initiator 1 ~ 5%, catalyst 2 ~ 5%, solubilizer 1 ~ 2%, defoaming agent 0.5 ~ 1%.
2. a kind of preparation method for the hydrophilically modified material that can be used for medical grade includes the following steps: step 1, raw material choosing
It takes；Step 2 is mixed；Step 3, ultrasonic reaction；Step 4, copolyreaction；Step 5, cross-linking reaction；Step 6 disappears
Foam-expelling；Step 7, ultraviolet light irradiation；It is characterized by:
Wherein in above-mentioned steps one, it is respectively according to the mass percentage of each component: methyl methacrylate 20 ~ 40%, vinegar
Sour ethylene 10 ~ 20%, sodium acrylate 10 ~ 30%, diolefinic monomer 3 ~ 6%, crosslinking agent 4 ~ 12%, initiator 1 ~ 5%, catalyst
2 ~ 5%, solubilizer 1 ~ 2%, defoaming agent 0.5 ~ 1% are chosen, and are weighed according to the sum of weight percent for 1；
Wherein in above-mentioned step two, be mixed the following steps are included:
1) methyl methacrylate is added after being cleaned reaction kettle, is warming up to 20-30 DEG C；
2) sodium acrylate and vinyl acetate are successively put into reaction kettle, is stirred；
3) pressurized hydrolysis obtains super absorbent resin after dry；
Wherein in above-mentioned step three, diolefinic monomer is added in super absorbent resin, passes through ultrasonic reaction 2h；
Wherein in above-mentioned step four, initiator copolymerization is added in mixture obtained in step 3, obtains low crosslinking degree
Sodium Polyacrylate；
Wherein in above-mentioned step five, the Sodium Polyacrylate of low crosslinking degree is added crosslinking agent and catalyst, normal-temperature reaction 1h,
Obtain high water absorbency polymer；
Wherein in above-mentioned step six, high water absorbency polymer is added into solubilizer and defoaming agent, reacts 2h- in a kettle
4h eliminates foam, obtains water wetted material；
Wherein in above-mentioned step seven, water wetted material is irradiated under ultraviolet light, the parent of medical grade can be obtained in natural coagulation
Watersoluble modified material.
3. a kind of hydrophilically modified material that can be used for medical grade according to claim 1, it is characterised in that: the catalysis
Agent is using aluminium oxide as carrier.
4. a kind of hydrophilically modified material that can be used for medical grade according to claim 1, it is characterised in that: the solubilising
Agent uses tween, and defoaming agent uses silica.
5. a kind of hydrophilically modified material that can be used for medical grade according to claim 1, it is characterised in that: the initiation
Agent uses radical initiator.
6. a kind of preparation process of hydrophilically modified material that can be used for medical grade according to claim 2, feature exist
In: the step 2 2) in, mechanical stirring is used when reaction kettle stirs, and is passed through inert gas emptying reaction kettle inner air.
7. a kind of preparation process of hydrophilically modified material that can be used for medical grade according to claim 2, feature exist
In: in the step 3, constant temperature and pressure when ultrasonic reaction, the power of ultrasonic reaction is 1200W.
8. a kind of hydrophilically modified material that can be used for medical grade according to claim 2 and its preparation process, feature
Be: in the step 7, ultraviolet light irradiates 4-6h, UV power 30W.
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| CN201910303043.XA CN110183582A (en) | 2019-04-16 | 2019-04-16 | A kind of hydrophilically modified material can be used for medical grade and its preparation process |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336861A (en) * | 2011-07-01 | 2012-02-01 | 东莞市赛璞实业有限公司 | Polyacrylate super absorbent resin and preparation method thereof |
| CN102504466A (en) * | 2011-10-17 | 2012-06-20 | 常熟市星源金属涂层厂 | Method for preparing modified zeolite-sodium acrylate moisture-absorbing composite material |
| CN108017751A (en) * | 2016-10-31 | 2018-05-11 | 中国石油化工股份有限公司 | A kind of high intensity intercrossed network type water-absorbing resin and preparation method thereof |
-
2019
- 2019-04-16 CN CN201910303043.XA patent/CN110183582A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336861A (en) * | 2011-07-01 | 2012-02-01 | 东莞市赛璞实业有限公司 | Polyacrylate super absorbent resin and preparation method thereof |
| CN102504466A (en) * | 2011-10-17 | 2012-06-20 | 常熟市星源金属涂层厂 | Method for preparing modified zeolite-sodium acrylate moisture-absorbing composite material |
| CN108017751A (en) * | 2016-10-31 | 2018-05-11 | 中国石油化工股份有限公司 | A kind of high intensity intercrossed network type water-absorbing resin and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 杨俊华: "国内外高吸水性树脂发展概况", 《化工新型材料》 * |
| 薛峰，王芳平，修国华，金革: "高吸水树脂的制备、应用及发展前景", 《沈阳化工》 * |
| 赵亚奇著: "《高分子自由基合成技术研究》", 31 December 2017, 中央民族大学出版社 * |
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