CN110079245A - A kind of binder and its preparation method and application - Google Patents
A kind of binder and its preparation method and application Download PDFInfo
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- CN110079245A CN110079245A CN201910411324.7A CN201910411324A CN110079245A CN 110079245 A CN110079245 A CN 110079245A CN 201910411324 A CN201910411324 A CN 201910411324A CN 110079245 A CN110079245 A CN 110079245A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J127/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Adhesives based on derivatives of such polymers
- C09J127/02—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J127/04—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Adhesives based on derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C09J127/06—Homopolymers or copolymers of vinyl chloride
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Abstract
The invention discloses a kind of binders and its preparation method and application.Binder of the invention is made of 92~96% cyclohexanone and 4~8% PVC powder by mass percentage.Binder viscosity produced by the present invention is suitable, good for the linear stretch separating force after being bonded, and improves bonding quality, convenient for operation, improves operating efficiency when bonding.
Description
Technical field
The present invention relates to adhesive techniques fields more particularly to a kind of binder and its preparation method and application.
Background technique
Interventional medical catheter it is accurate treatment in, on medical catheter all can be furnished with jointing or component, so as to
Corresponding medical apparatus is effectively connected, and is then performed a surgical operation, is administered to patient, drain etc., the final purpose for realizing treatment.
And medical catheter and jointing or component are usually to be combined using technique for sticking, wherein using ring
Hexanone is the most frequently used, inexpensive, efficient bonding agent.But because the outer diameter size of conduit has reasonable fluctuation tolerance, even
The pilot hole size of connector or component also has certain fluctuation tolerance, and the two just will appear when random assembling is bonded
Cross pine or tension or moderate phenomenon.
But cyclohexanone solution at present on the market be it is thin, it is moderate or excessively pine bonding will appear contact area not enough,
Gap can not fill and can not be bonded, and as a result can all cause adhesive strength that pre-provisioning request is not achieved, product quality finally occur and ask
Topic.Therefore, it is necessary to the viscosityes to existing binder to improve, and have reached medical catheter and jointing or adhering components
Stretching separating force afterwards meets the requirements, and convenient for operation.
Medical appliance should be to patient without ill-effect or side effect, therefore carries out in the viscosity to existing binder
When improvement, raw material should be strictly selected, avoid generating secondary injury to patient.
CN103320025A discloses a kind of polyvinyl chloride film adhesive production technology, includes the following steps: 1) to react
32-48 parts by weight 1,2- dichloroethanes, 7-14 parts by weight tetrachloro-ethylene, 8-13 parts by weight cyclohexanone, 12-21 are successively put into pot
CPVC resin is made in weight parts Methylene chloride solvent；2) 22-31 parts by weight superchlorinated polyvinyl chloride resin is put into above-mentioned CPVC resin
Powder stirs 2-3h, finished product at normal temperatures and pressures.The polyvinyl chloride film adhesive production technology that the invention provides, system
The polyvinyl chloride film adhesive adhesive strength obtained is high, and curing rate is fast, easy to use.But it also needs to be added in solvent other
The operating efficiency of multi-solvents, adhesive property and bonding needs to be further increased.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of binder and its preparation method and application,
Binder viscosity obtained is suitable, good for the linear stretch separating force after being bonded, and improves bonding quality, convenient for operating,
Improve operating efficiency when bonding.
One of the objects of the present invention is to provide a kind of binders, to achieve this purpose, the present invention adopts the following technical scheme:
A kind of binder, by mass percentage, the binder is by 92~96% cyclohexanone and 4~8% PVC powder
Composition.
In the present invention, by the way that PVC powder is added in cyclohexanone, cyclohexanone is blended anti-as solvent, PVC powder as filler
It should sufficiently dissolve and blend solution, i.e. bonding agent is made.Bonding agent is brushed to by the surface of adhesive material, in the effect of glue
Lower surface swelling, bonding agent and molecule phase counterdiffusion on adherend interface, the two is interleaved with each other makes their interface disappear together
It loses, becomes a transition zone, finally form the polymer mesh structure mutually penetrated in transition zone, to obtain very high splicing
Intensity；Also, the present invention only needs two kinds of components of cyclohexanone and PVC powder to be used in mixed way, and can make cyclohexanone without adding other substances
Viscosity improved, for medical catheter and jointing or connecting component it is bonding when, can preferably be bonded
Intensity is, it can be achieved that medical catheter and jointing or connecting component rapidly and efficiently bonding.
Preferably, the mass percent of the cyclohexanone is 92%, 93%, 94%, 95%, 96%, the matter of the PVC powder
Measuring percentage is 4%, 5%, 6%, 7%, 8%, and the sum of mass percent of the two is 100%.If PVC powder in cyclohexanone
Dosage is too many, is more than 8%, then the viscosity of binder can be made too high, lead to bad adhesion, be unfavorable for operating；If cyclohexanone
The dosage of middle PVC powder is very little, is less than 4%, then the viscosity of binder can be made too low, cause fillibility bad.
As a preferred solution of the present invention, by mass percentage, the binder by 93~95% cyclohexanone and 5~
7% PVC powder composition.Such as by mass percentage, the binder is made of 93% cyclohexanone and 7% PVC powder；Institute
Binder is stated to be made of 94% cyclohexanone and 6% PVC powder；The binder is by 95% cyclohexanone and 5% PVC powder group
At.
Wherein, the mesh number of the PVC powder be 600~1200 mesh, such as PVC powder mesh number be 600 mesh, 700 mesh, 800 mesh,
900 mesh, 1000 mesh, 1100 mesh, 1200 mesh etc..If PVC powder is too thick, it dissolve PVC powder cannot sufficiently in cyclohexanone, lead
Cause adhesive property bad.
Preferably, the mesh number of the PVC powder is 700~900 mesh.Such as the mesh number of the PVC powder be 700 mesh, 750 mesh,
800 mesh, 850 mesh, 900 mesh etc..
The second object of the present invention is to provide a kind of preparation method of binder described in the first purpose, the preparation side
Method the following steps are included:
1) cyclohexanone and PVC powder are uniformly mixed according to the ratio, obtain mixed liquor；
2) mixed liquor for obtaining step 1) is ultrasonically treated, and obtains the binder.
In step 1) of the invention, the PVC powder is polished before mixing passes through 600 mesh screens.
In step 2), the power of the ultrasonic treatment is 40~60W, and the time of the ultrasonic treatment is 3~7min.
As a preferred solution of the present invention, the binder preparation method the following steps are included:
1) PVC powder is polished by 600 mesh screens, cyclohexanone, the PVC after addition grinding are weighed according to the ratio
Powder is uniformly mixed, obtains mixed liquor；
2) mixed liquor for obtaining step 1) is in supersonic wave cleaning machine service sink, at a temperature of 10~30 DEG C, ultrasonic power
3~7min is handled for 40~60W, obtains the binder after uniform dissolution.
The third object of the present invention is to provide a kind of purposes of binder described in the first purpose, and the binder is used
In the bonding of medical appliance.
Wherein, the bonding of the medical appliance is the bonding or medical catheter and connecting component of medical catheter and jointing
Bonding.
Compared with prior art, the invention has the benefit that
(1) binder of the invention, is added PVC powder in cyclohexanone, it is only necessary to which the two is used in mixed way, without adding other objects
Matter can improve the viscosity of binder, and when bonding for medical apparatus has good adhesive strength, linear stretch separating force
Pulling force is greater than 15N, and without addition benzene class, plasticizer etc. in binder, to user without secondary injury.
(2) preparation method of binder of the invention is easy, and binder obtained also mentions while improving adhesive property
Operating efficiency when high bonding, it is bonding with jointing especially suitable for medical catheter suitable for the bonding of medical apparatus
Or medical catheter is bonding with connecting component.
Specific embodiment
The technical scheme of the invention is further explained by means of specific implementation.
Unless specific instructions, various raw materials of the invention are commercially available buys, or is prepared according to the conventional method of this field
It obtains.
Embodiment 1
The preparation method of the binder of the present embodiment, comprising the following steps:
(1) the 800 mesh PVC powders for being 6% by mass percent are added in the cyclohexanone that mass percent is 94%, set
In glass after mixing, rim of a cup seals；
(2) glass is placed in the service sink of supersonic wave cleaning machine, supersonic wave cleaning machine is set: power 50W, time
It is 5 minutes, tank water room temperature, starting machine operation is sufficiently reacted to the two, is uniformly dissolved；
(3) time stops to rear machine, is cooled to room temperature, takes out glass to get the bonding agent of default stickiness；
By bonding agent made from the present embodiment, the connector (5 groups) of conduit and aperture 2.08 to outer diameter 2.0* internal diameter 1.6 into
Row bonding；After adhesive portion is fully cured, loaded on adhesive strength test is carried out on tensile testing instrument, by GB/T15812.1-2005
Adhesive strength test is carried out, the interconnecting piece that bonding is cured is loaded on tensile testing instrument, with the test speed of 500mm/min
It is applied more than the linear stretch separating force of 15N, examines whether conduit separates with connector.
It measures 5 groups of linear stretch separating force and is respectively as follows: 20N, 19N, 22N, 21N, 24N, the equal > of linear stretch separating force
15N, bonding agent stickiness is suitable when bonding operates, and bonding agent is medical grade, not containing benezene, and adhesive strength is greater than GB/
The pulling tension requirements of T15812.1-2005 product standard defined.
Embodiment 2
The preparation method of the binder of the present embodiment, comprising the following steps:
(1) the 600 mesh PVC powders for being 4% by mass percent are added in the cyclohexanone that mass percent is 96%, set
In glass after mixing, rim of a cup seals；
(2) glass is placed in the service sink of supersonic wave cleaning machine, supersonic wave cleaning machine is set: power 40W, time
It is 7 minutes, tank water room temperature, starting machine operation is sufficiently reacted to the two, is uniformly dissolved；
(3) time stops to rear machine, is cooled to room temperature, takes out glass to get the bonding agent of default stickiness；
By bonding agent made from the present embodiment, the connector (5 groups) of conduit and aperture 2.08 to outer diameter 2.0* internal diameter 1.6 into
Row bonding；After adhesive portion is fully cured, loaded on adhesive strength test is carried out on tensile testing instrument, by GB/T15812.1-2005
Adhesive strength test is carried out, the interconnecting piece that bonding is cured is loaded on tensile testing instrument, with the test speed of 500mm/min
It is applied more than the linear stretch separating force of 15N, examines whether conduit separates with connector.
Measure 5 groups of linear stretch separating force and be respectively as follows: 15N, 18N, 15N, 17N, 16N, linear stretch separating force >=
15N, bonding agent has a small amount of not molten object when bonding operates, and bonding agent is medical grade, not containing benezene, and adhesive strength is greater than GB/
The pulling tension requirements of T15812.1-2005 product standard defined.
Embodiment 3
The preparation method of the binder of the present embodiment, comprising the following steps:
(1) the 900 mesh PVC powders for being 5% by mass percent are added in the cyclohexanone that mass percent is 95%, set
In glass after mixing, rim of a cup seals；
(2) glass is placed in the service sink of supersonic wave cleaning machine, supersonic wave cleaning machine is set: power 60W, time
It is 3 minutes, tank water room temperature, starting machine operation is sufficiently reacted to the two, is uniformly dissolved；
(3) time stops to rear machine, is cooled to room temperature, takes out glass to get the bonding agent of default stickiness；
By bonding agent made from the present embodiment, the connector (5 groups) of conduit and aperture 2.08 to outer diameter 2.0* internal diameter 1.6 into
Row bonding；After adhesive portion is fully cured, loaded on adhesive strength test is carried out on tensile testing instrument, by GB/T15812.1-2005
Adhesive strength test is carried out, the interconnecting piece that bonding is cured is loaded on tensile testing instrument, with the test speed of 500mm/min
It is applied more than the linear stretch separating force of 15N, examines whether conduit separates with connector.
It measures 5 groups of linear stretch separating force and is respectively as follows: 23N, 23N, 24N, 22N, 25N, the equal > of linear stretch separating force
15N, bonding agent stickiness is suitable when bonding operates, and bonding agent is medical grade, not containing benezene, and adhesive strength is greater than GB/
The pulling tension requirements of T15812.1-2005 product standard defined.
Embodiment 4
The preparation method of the binder of the present embodiment, comprising the following steps:
(1) the 1000 mesh PVC powders for being 7% by mass percent are added in the cyclohexanone that mass percent is 93%, set
In glass after mixing, rim of a cup seals；
(2) glass is placed in the service sink of supersonic wave cleaning machine, supersonic wave cleaning machine is set: power 45W, time
It is 6 minutes, tank water room temperature, starting machine operation is sufficiently reacted to the two, is uniformly dissolved；
(3) time stops to rear machine, is cooled to room temperature, takes out glass to get the bonding agent of default stickiness；
By bonding agent made from the present embodiment, the connector (5 groups) of conduit and aperture 2.08 to outer diameter 2.0* internal diameter 1.6 into
Row bonding；After adhesive portion is fully cured, loaded on adhesive strength test is carried out on tensile testing instrument, by GB/T15812.1-2005
Adhesive strength test is carried out, the interconnecting piece that bonding is cured is loaded on tensile testing instrument, with the test speed of 500mm/min
It is applied more than the linear stretch separating force of 15N, examines whether conduit separates with connector.
It measures 5 groups of linear stretch separating force and is respectively as follows: 22N, 24N, 24N, 22N, 24N, the equal > of linear stretch separating force
15N, bonding agent stickiness is suitable when bonding operates, and bonding agent is medical grade, not containing benezene, and adhesive strength is greater than GB/
The pulling tension requirements of T15812.1-2005 product standard defined.
Embodiment 5
The preparation method of the binder of the present embodiment, comprising the following steps:
(1) the 1200 mesh PVC powders for being 8% by mass percent are added in the cyclohexanone that mass percent is 92%, set
In glass after mixing, rim of a cup seals；
(2) glass is placed in the service sink of supersonic wave cleaning machine, supersonic wave cleaning machine is set: power 55W, time
It is 4 minutes, tank water room temperature, starting machine operation is sufficiently reacted to the two, is uniformly dissolved；
(3) time stops to rear machine, is cooled to room temperature, takes out glass to get the bonding agent of default stickiness；
By bonding agent made from the present embodiment, the connector (5 groups) of conduit and aperture 2.08 to outer diameter 2.0* internal diameter 1.6 into
Row bonding；After adhesive portion is fully cured, loaded on adhesive strength test is carried out on tensile testing instrument, by GB/T15812.1-2005
Adhesive strength test is carried out, the interconnecting piece that bonding is cured is loaded on tensile testing instrument, with the test speed of 500mm/min
It is applied more than the linear stretch separating force of 15N, examines whether conduit separates with connector.
It measures 5 groups of linear stretch separating force and is respectively as follows: 22N, 20N, 23N, 25N, 23N, the equal > of linear stretch separating force
15N, bonding agent stickiness is suitable when bonding operates, and bonding agent is medical grade, not containing benezene, and adhesive strength is greater than GB/
The pulling tension requirements of T15812.1-2005 product standard defined.
Embodiment 6
The preparation method of the binder of the present embodiment, comprising the following steps:
(1) the 800 mesh PVC powders for being 6% by mass percent are added in the cyclohexanone that mass percent is 94%, set
In glass after mixing, rim of a cup seals；
(2) glass is placed in the service sink of supersonic wave cleaning machine, supersonic wave cleaning machine is set: power 40W, time
It is 5 minutes, tank water room temperature, starting machine operation is sufficiently reacted to the two, is uniformly dissolved；
(3) time stops to rear machine, is cooled to room temperature, takes out glass to get the bonding agent of default stickiness；
By bonding agent made from the present embodiment, the connector (5 groups) of conduit and aperture 2.08 to outer diameter 2.0* internal diameter 1.6 into
Row bonding；After adhesive portion is fully cured, loaded on adhesive strength test is carried out on tensile testing instrument, by GB/T15812.1-2005
Adhesive strength test is carried out, the interconnecting piece that bonding is cured is loaded on tensile testing instrument, with the test speed of 500mm/min
It is applied more than the linear stretch separating force of 15N, examines whether conduit separates with connector.
It measures 5 groups of linear stretch separating force and is respectively as follows: 20N, 19N, 22N, 21N, 24N, the equal > of linear stretch separating force
15N, bonding agent stickiness is suitable when bonding operates, and bonding agent is medical grade, not containing benezene, and adhesive strength is greater than GB/
The pulling tension requirements of T15812.1-2005 product standard defined.
Embodiment 7
The preparation method of the binder of the present embodiment, comprising the following steps:
(1) the 300 mesh PVC powders for being 6% by mass percent are added in the cyclohexanone that mass percent is 94%, set
In glass after mixing, rim of a cup seals；
(2) glass is placed in the service sink of supersonic wave cleaning machine, supersonic wave cleaning machine is set: power 40W, time
It is 5 minutes, tank water room temperature, starting machine operation is sufficiently reacted to the two, is uniformly dissolved；
(3) time stops to rear machine, is cooled to room temperature, takes out glass to get the bonding agent of default stickiness；
By bonding agent made from the present embodiment, the connector (5 groups) of conduit and aperture 2.08 to outer diameter 2.0* internal diameter 1.6 into
Row bonding；After adhesive portion is fully cured, loaded on adhesive strength test is carried out on tensile testing instrument, by GB/T15812.1-2005
Adhesive strength test is carried out, the interconnecting piece that bonding is cured is loaded on tensile testing instrument, with the test speed of 500mm/min
It is applied more than the linear stretch separating force of 15N, examines whether conduit separates with connector.
It measures 5 groups of linear stretch separating force and is respectively as follows: 13N, 11N, 12N, 13N, 10N, the equal < of linear stretch separating force
15N, bonding agent has a large amount of not molten objects when bonding operates.
The mesh number for being PVC powder in place of the difference of the present embodiment and embodiment 1 is 300 mesh, and PVC powder is too thick, in cyclohexanone
Middle dissolution is not complete, and the adhesive property of binder obtained does not have the good of embodiment 1.
Comparative example 1
The preparation method of the binder of this comparative example, comprising the following steps:
(1) the 800 mesh PVC powders for being 3% by mass percent are added in the cyclohexanone that mass percent is 97%, set
In glass after mixing, rim of a cup seals；
(2) glass is placed in the service sink of supersonic wave cleaning machine, supersonic wave cleaning machine is set: power 50W, time
It is 5 minutes, tank water room temperature, starting machine operation is sufficiently reacted to the two, is uniformly dissolved；
(3) time stops to rear machine, is cooled to room temperature, takes out glass to get the bonding agent of default stickiness；
By bonding agent made from this comparative example, the connector (5 groups) of conduit and aperture 2.08 to outer diameter 2.0* internal diameter 1.6 into
Row bonding；After adhesive portion is fully cured, loaded on progress adhesive strength test on tensile testing instrument.
It measures 5 groups of linear stretch separating force and is respectively as follows: 9N, 11N, 10N, 11N, 12N, linear stretch separating force pulling force is equal
< 15N, bonding agent stickiness is slightly dilute when bonding operates.
It is that the additive amount of PVC powder is very little in place of this comparative example and the difference of embodiment 1, bonding agent stickiness is slightly dilute, glues
Tie performance decline.
Comparative example 2
The preparation method of the binder of this comparative example, comprising the following steps:
(1) the 800 mesh PVC powders for being 9% by mass percent are added in the cyclohexanone that mass percent is 91%, set
In glass after mixing, rim of a cup seals；
(2) glass is placed in the service sink of supersonic wave cleaning machine, supersonic wave cleaning machine is set: power 50W, time
It is 5 minutes, tank water room temperature, starting machine operation is sufficiently reacted to the two, is uniformly dissolved；
(3) time stops to rear machine, is cooled to room temperature, takes out glass to get the bonding agent of default stickiness；
By bonding agent made from this comparative example, the connector (5 groups) of conduit and aperture 2.08 to outer diameter 2.0* internal diameter 1.6 into
Row bonding；After adhesive portion is fully cured, loaded on progress adhesive strength test on tensile testing instrument.
It measures 5 groups of linear stretch separating force and is respectively as follows: 21N, 20N, 24N, 23N, 21N, the equal > of linear stretch separating force
15N, bonding agent stickiness is slightly thick when bonding operation, and when bonding is inconvenient.
It is that the additive amount of PVC powder is too many in place of this comparative example and the difference of embodiment 1, bonding agent stickiness is slightly thick, though
Right adhesive property is improved, but inconvenient when bonding, reduces operating efficiency.
Comparative example 3
This comparative example is common stirring and dissolving, with 2 glass the difference from embodiment 1 is that without ultrasonic treatment
Stick insertion bottom of a cup stirs 3 minutes along clockwise direction, then stirs 3 minutes in the counterclockwise direction again.It will be made from this comparative example
The connector (5 groups) of bonding agent, conduit and aperture 2.08 to outer diameter 2.0* internal diameter 1.6 is bonded；After adhesive portion is fully cured,
Loaded on progress adhesive strength test on tensile testing instrument.
It measures 5 groups of linear stretch separating force and is respectively as follows: 12N, 10N, 12N, 13N, 14N, the equal < of linear stretch separating force
15N, bonding agent has not molten object when bonding operates.
It is in place of this comparative example and the difference of embodiment 1, it is not sonicated, even if rationally stirring is for quite a long time,
Still there is not sufficiently dissolved object, there are the risks of bonding quality.Separately there is normal agitation, rim of a cup is unlimited, and can not only be accelerated in this way
The volatilization of cyclohexanone reduces the mass ratio of cyclohexanone naturally, also the penetrating odor of total solution can be discharged into air, to work
Industry environment and atmosphere pollute.
Comparative example 4
This comparative example the difference from embodiment 1 is that, PVC powder is replaced with into TPU powder, it is other homogeneous with embodiment 1
Together.
By bonding agent made from this comparative example, the connector (5 groups) of conduit and aperture 2.08 to outer diameter 2.0* internal diameter 1.6 into
Row bonding；After adhesive portion is fully cured, loaded on progress adhesive strength test on tensile testing instrument.
It measures 5 groups of linear stretch separating force and is respectively as follows: 6N, 5N, 9N, 8N, 7N, the equal < 15N of linear stretch separating force glues
Bonding agent has a large amount of not molten objects when connecing operation.
It is in place of this comparative example and the difference of embodiment 1, PVC powder is replaced with into TPU powder, TPU cannot sufficiently dissolve, nothing
Suitable bonding agent is made in method.
Comparative example 5
This comparative example the difference from embodiment 1 is that, cyclohexanone is replaced with into dichloroethanes, it is other with embodiment 1
It is all the same.
By bonding agent made from this comparative example, the connector (5 groups) of conduit and aperture 2.08 to outer diameter 2.0* internal diameter 1.6 into
Row bonding；After adhesive portion is fully cured, loaded on progress adhesive strength test on tensile testing instrument.
It measures 5 groups of linear stretch separating force and is respectively as follows: 20N, 23N, 21N, 20N, 22N, the equal > of linear stretch separating force
15N, bonding agent stickiness is suitable when bonding operates, and adhesive strength is greater than the drawing of GB/T15812.1-2005 product standard defined
Force request.
It is in place of this comparative example and the difference of embodiment 1, cyclohexanone powder is replaced with into dichloroethanes, dichloroethanes is in room
It is the colourless liquid for having similar chloroform smell under temperature, although using dichloroethanes that can also obtain preferable linear stretch as solvent
Separating force, but dichloroethanes is toxic, there are potential carcinogenicities, are not suitable for the processing preparation of medical appliance.
Detailed process equipment and process flow of the invention that the present invention is explained by the above embodiments, but the present invention is not
It is confined to above-mentioned detailed process equipment and process flow, that is, does not mean that the present invention must rely on above-mentioned detailed process equipment and work
Skill process could be implemented.It should be clear to those skilled in the art, any improvement in the present invention, to product of the present invention
The equivalence replacement of each raw material and addition, the selection of concrete mode of auxiliary element etc., all fall within protection scope of the present invention and public affairs
Within the scope of opening.
Claims (10)
1. a kind of binder, which is characterized in that by mass percentage, the binder by 92~96% cyclohexanone and 4~
8% PVC powder composition.
2. binder according to claim 1, which is characterized in that by mass percentage, the binder by 93~
95% cyclohexanone and 5~7% PVC powder composition.
3. binder according to claim 1 or 2, which is characterized in that the mesh number of the PVC powder is 600~1200 mesh.
4. binder described in one of -3 according to claim 1, which is characterized in that the mesh number of the PVC powder is 700~900 mesh.
5. a kind of preparation method of the binder as described in one of claim 1-4, which is characterized in that the preparation method includes
Following steps:
1) cyclohexanone and PVC powder are uniformly mixed according to the ratio, obtain mixed liquor；
2) mixed liquor for obtaining step 1) is ultrasonically treated, and obtains the binder.
6. preparation method according to claim 5, which is characterized in that in step 1), the PVC powder is polished before mixing
Pass through 600 mesh screens.
7. preparation method according to claim 5 or 6, which is characterized in that in step 2), the power of the ultrasonic treatment is
40~60W, the time of the ultrasonic treatment are 3~7min.
8. the preparation method according to one of claim 5-7, which is characterized in that the preparation method comprises the following steps:
1) PVC powder is polished by 600 mesh screens, cyclohexanone is weighed according to the ratio, and the PVC powder after grinding is added is mixed
It closes uniformly, obtains mixed liquor；
2) mixed liquor for obtaining step 1) is in supersonic wave cleaning machine service sink, at a temperature of 10~30 DEG C, ultrasonic power 40
~60W handles 3~7min, obtains the binder after uniform dissolution.
9. a kind of purposes of the binder as described in one of claim 1-4, which is characterized in that be used for the binder medical
The bonding of utensil.
10. purposes according to claim 9, which is characterized in that the bonding of the medical appliance be medical catheter with connect
The bonding or medical catheter of connector are bonding with connecting component.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278394A (en) * | 2021-04-20 | 2021-08-20 | 江苏康进医疗器材有限公司 | Medical catheter bonding glue and preparation method thereof |
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