CN104744719A - Condom containing nano-scale material and manufacturing method for condom - Google Patents
Condom containing nano-scale material and manufacturing method for condom Download PDFInfo
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- CN104744719A CN104744719A CN201510130827.9A CN201510130827A CN104744719A CN 104744719 A CN104744719 A CN 104744719A CN 201510130827 A CN201510130827 A CN 201510130827A CN 104744719 A CN104744719 A CN 104744719A
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- fluorochemical
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Abstract
The invention discloses a condom containing a nano-scale material and a manufacturing method for the condom. The manufacturing method comprises the following steps: S1, placing a condom base body into a plasma environment to pre-process; S2, forming a layer of fluoride with a nano-scale grain size on the surface of the condom base body. The condom with a nano-scale fluoride outer layer is small in bore diameter and can be used for blocking virus with a diameter of tens of nanometers. The polytetrafluoroethylene PTFE has a friction coefficient of only 0.04 and high self-lubrication, so that physical lubricating oil is not required to be especially added to a condom body.
Description
[technical field]
The present invention relates to condom, particularly relate to a kind of condom containing nanometer materials and manufacture method thereof.
[background technology]
The preparation method of current commercially available condom is main mainly with single-material and single impregnation technology.No matter be latex, polyisoprene, urethane, or silica gel, the aperture between these macromolecular material groups is large, and porosity is high, also exists from the natural void between hundreds if not thousands of nanometers.The human sperm of wide about 3000 nanometers of such as head of obstruct Large stone, when namely practising contraception, be significantly effective.But intercepting the virus that particle diameter is less in body fluid, the hepatitis B virus of such as diameter 42 nanometer, the human papillomavirus of 50 ~ 55 nanometers, the virus of AIDS of 120 nanometers, during even more small particle size viral, just so do not protecting and leaned on.According to the Testing Guidance for MaleCondoms Made from New Material (June 29 that U.S. FDA is promulgated, 1995) result of the pressurized conditions Imitating 27 nanometer diameter virus breakthrough experiment listed in shows, the condom of latex, polyisoprene, urethane, silica gel material all can penetrate by 27 nanometer diameters viruses.Even if so when normal and proper use of ordinary condom, still there is the risk be infected with by property contact and body fluid and caught.
[summary of the invention]
In order to reduce the probability that some nano level virus is passed, the invention provides a kind of condom containing nanometer materials and manufacture method thereof.
Containing a manufacture method for the condom of nanometer materials, comprise the steps:
S1, is placed in plasma environment by condom matrix and carries out pre-treatment;
S2, forms the fluorochemical of one deck Nano Particle on the surface of described condom matrix.
In one embodiment,
In described step S2, form described fluorochemical at the outside surface of described condom matrix;
Also comprise the steps: upon step s 2
S3, shapes to the described condom matrix with fluorochemical at 100 DEG C to 200 DEG C temperature, forms condom;
S4, utilizes and ultrasonicly to clean described condom.
In one embodiment,
Described fluorochemical is tetrafluoroethylene.
In one embodiment,
The molecular weight of described tetrafluoroethylene is no more than 100,000 grades of molecular weight.
Present invention also offers a kind of condom containing nanometer materials adopting described manufacture method to obtain, comprise condom matrix, the fluorochemical of surface attachment one deck Nano Particle of described condom matrix.
In one embodiment,
Described fluorochemical is formed at the outside surface of described condom matrix.
In one embodiment,
The thickness of described fluorochemical is between 0.1 to 1000000 nanometer.
In one embodiment,
The material of described condom matrix is latex, polyisoprene, urethane or silica gel.
In one embodiment,
Along the radial direction of described condom matrix, inside described condom matrix or outside is provided with banded annulus, and multiple described banded annulus arranges along the length direction of described condom matrix.
In one embodiment,
Have stop member in the opening end periphery of described condom matrix, described stop member is erected in the outside surface of condom matrix, and the thickness of described stop member successively decreases along the inner side of described condom matrix gradually to direction, outer.
The invention has the beneficial effects as follows:
With plasma body, pre-treatment and surface modification are carried out to the condom body material after shaping, the conjugation of fluoride layer and base material can be improved.
Described fluorochemical preferably polytetrafluoroethylene PTFE, because polytetrafluoroethylene PTFE has erosion resistance, physiological inertia and high lubricity, is applicable to contacting with human body mucous membrane even having no adverse reaction as medicine equipment part implant into body.
Preferred relative molecular weight is less, the polytetrafluoroethylene PTFE material of such as 100,000 grades of molecular weight, and such finished product aperture is little, can intercept the virus of tens nanometer diameter.The frictional coefficient of tetrafluoroethylene is only 0.04, and high lubricity makes to there is no need especially on body, to add physiology lubricating oil.
The temperature of high-temperature shaping between 50 DEG C to 350 DEG C, preferably between 100 DEG C to 200 DEG C.Too high temperature may cause polytetrafluoroethylene PTFE cracking and produce toxic substance.
The thickness of fluoride layer ensure that its elasticity and pliability, otherwise blocked up meeting causes body to lose elasticity and pliability.
Stop member perpendicular to body can completely cut off being infected with of body fluid further, makes both sides safer.
Vertical direction along body fore-and-aft direction has multiple banded annulus, at least inside opening end and body inside middle portion, has banded annulus.The internal diameter of the inside banded annulus of body root and middle part is more smaller than penis external diameter, dorsal nerve of penis is applied to the external force impact of slightly tightening, the cerebripetal transmission of delay exciting signal, reduce the susceptibility of dorsal nerve of penis, improve ejaculation stimulus threshold, thus prolongation ejaculation latency, reach the object of prolonging sexual action time, so banded annulus is also time delay ring.In addition, after the annulus in the middle part of body can also overturn doubling overlapping inside and outside, as the initial axle of the nestable body of volume.
Within the preferred 140mm of maximum diameter of the outer of peltate annulus, sufficient bridging effect can be provided, long, peltate annulus can be caused to be difficult to be erected in the outside of condom matrix.The thickness of described peltate annulus successively decreases along the inner side of body gradually to direction, outer, makes peltate annulus be erected to more stablize on described condom matrix.
[embodiment]
Below the preferred embodiment of invention is described in further detail.
Condom comprises men's and female condom.In view of sexual behaviour is dominated, based on condom on market mainly with the male sex.As typically used, following examples refer to condom for man, unless some place has special explanation to be female condom.
A manufacture method for the condom containing nanometer materials of embodiment, comprises the steps:
S1, is placed in plasma environment to condom matrix, plasma body is fully contacted with condom matrix, thus carries out pre-treatment to condom matrix.
The material of the condom matrix after shaping is carried out plasma body pre-treatment and surface modification, thus the conjugation of the material of fluorochemical and condom matrix can be improved.
S2, forms the fluorochemical of one deck Nano Particle on the surface of described condom matrix.
Formed method that one deck has a fluorochemical of Nano Particle can be condom matrix plated surface or be covered with the fluorochemical of Nano Particle, such as adopt physical deposition methods, chemical vapor coating method, Prepared by Unbalanced Magnetron Sputtering Method method, magnetic filtering cathode arc plasma sedimentation, dynamically dual ion beam deposition method, plasma body soaks ion implantation sedimentation, radio-frequency plasma strengthens chemical Vapor deposition process, micro-wave parameter method, pulsed-laser-arc sedimentation, self-assembled monolayer embrane method, etc.In a word, selection can make fluoride layer fine and close, smooth and even as far as possible, and make efficiency is high.In the present embodiment, the particle diameter of fluorochemical can between 20-150nm.
One deck fluorochemical can be formed at the internal surface of condom matrix or outside surface, form one deck fluorochemical at the outside surface of condom matrix better.
Described fluorochemical can be polytetrafluoroethylene PTFE, the polytetrafluoroethylene PTFE that preferred relative molecular weight is less, such as the PTFE of 100,000 grades of molecular weight.
The thickness of fluoride layer 0.1 to 1,000, between 000 nanometer, preferably between 50 to 20,000 nanometer.In the present embodiment, the polytetrafluoroethylene PTFE of 100 nanometer thickness can be adopted.
S3, at high temperature shapes to the described condom matrix with fluorochemical, forms condom; The temperature of described high-temperature shaping between 50 DEG C to 350 DEG C, preferably between 100 DEG C to 200 DEG C, as 120 DEG C, 140 DEG C, 160 DEG C.Shape at 180 DEG C in the present embodiment.
S4, utilizes and ultrasonicly to clean described condom, remove the impurity that condom adheres to, then can dry in an oven.
In one embodiment, for condom for man, have stop member in the opening end periphery of condom matrix, this stop member is erected in the outside surface of condom matrix, for reducing the probability of the bioresorbable of both sides in use procedure.Stop member and condom matrix can be the angle (0-180 °) of an acute angle, and angle is preferably 90 °.In one embodiment, stop member can be the peltate annulus of standing upright voluntarily, if publication number is the enlarging cover shown in 2822570Y.
The thickness of stop member can between 0 to 20mm, preferably between 0.05 to 1mm.
The thickness of described stop member successively decreases along the inner side of body gradually to direction, outer, makes stop member be erected to more stablize on described condom matrix.
In certain embodiments, along the radial direction of described condom matrix, be provided with banded annulus inside described condom matrix, multiple described banded annulus arranges along the length direction of described condom matrix.
Described banded annulus is solid; The thickness of described banded annulus between 0.01 to 10mm, preferably between 0.01 to 0.5mm.
In one embodiment, then contrary with condom for man for female condom, along the radial direction of described condom matrix, be provided with banded annulus outside described condom matrix, multiple described banded annulus arranges along the length direction of described condom matrix.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to the scope of patent protection that the present invention is determined by submitted to claims.
Claims (10)
1., containing a manufacture method for the condom of nanometer materials, it is characterized in that, comprise the steps:
S1, is placed in plasma environment by condom matrix and carries out pre-treatment;
S2, forms the fluorochemical of one deck Nano Particle on the surface of described condom matrix.
2. the manufacture method of the condom containing nanometer materials as claimed in claim 1, is characterized in that,
In described step S2, form described fluorochemical at the outside surface of described condom matrix;
Also comprise the steps: upon step s 2
S3, shapes to the described condom matrix with fluorochemical at 100 DEG C to 200 DEG C temperature, forms condom;
S4, utilizes and ultrasonicly to clean described condom.
3. the manufacture method of the condom containing nanometer materials as claimed in claim 1, it is characterized in that, described fluorochemical is tetrafluoroethylene.
4. the manufacture method of the condom containing nanometer materials as claimed in claim 3, is characterized in that,
The molecular weight of described tetrafluoroethylene is no more than 100,000 grades of molecular weight.
5. the condom containing nanometer materials adopting manufacture method as claimed in claim 1 to obtain, comprises condom matrix, it is characterized in that: the fluorochemical of surface attachment one deck Nano Particle of described condom matrix.
6. the condom containing nanometer materials as claimed in claim 5, is characterized in that:
Described fluorochemical is formed at the outside surface of described condom matrix.
7. the condom containing nanometer materials as claimed in claim 5, is characterized in that:
The thickness of described fluorochemical is between 0.1 to 1000000 nanometer.
8. the condom containing nanometer materials as claimed in claim 5, is characterized in that:
The material of described condom matrix is latex, polyisoprene, urethane or silica gel.
9. the condom containing nanometer materials as claimed in claim 6, is characterized in that:
Along the radial direction of described condom matrix, inside described condom matrix or outside is provided with banded annulus, and multiple described banded annulus arranges along the length direction of described condom matrix.
10. the condom containing nanometer materials as claimed in claim 6, it is characterized in that: in the opening end periphery of described condom matrix, there is stop member, described stop member is erected in the outside surface of condom matrix, and the thickness of described stop member successively decreases along the inner side of described condom matrix gradually to direction, outer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510130827.9A CN104744719B (en) | 2015-03-23 | 2015-03-23 | Sheath containing nanometer materials and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510130827.9A CN104744719B (en) | 2015-03-23 | 2015-03-23 | Sheath containing nanometer materials and its manufacturing method |
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| Publication Number | Publication Date |
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| CN104744719A true CN104744719A (en) | 2015-07-01 |
| CN104744719B CN104744719B (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510130827.9A Active CN104744719B (en) | 2015-03-23 | 2015-03-23 | Sheath containing nanometer materials and its manufacturing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963807A (en) * | 2016-06-21 | 2016-09-28 | 浙江相伴乳胶制品有限公司 | Condom with antisepsis and anti-inflammation functions and preparation method thereof |
| CN117447748A (en) * | 2023-12-21 | 2024-01-26 | 广州双一乳胶制品有限公司 | Anti-aging ice-fire condom and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102641169A (en) * | 2012-04-26 | 2012-08-22 | 中南大学 | Condom capable of deactivating microorganism infectivity, and preparation method thereof |
| WO2013079975A1 (en) * | 2011-12-01 | 2013-06-06 | Lrc Products Limited | Coated condom |
-
2015
- 2015-03-23 CN CN201510130827.9A patent/CN104744719B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013079975A1 (en) * | 2011-12-01 | 2013-06-06 | Lrc Products Limited | Coated condom |
| CN102641169A (en) * | 2012-04-26 | 2012-08-22 | 中南大学 | Condom capable of deactivating microorganism infectivity, and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 胡志彪等: ""低摩擦系数固体润滑涂层研究进展"", 《材料工程》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963807A (en) * | 2016-06-21 | 2016-09-28 | 浙江相伴乳胶制品有限公司 | Condom with antisepsis and anti-inflammation functions and preparation method thereof |
| CN117447748A (en) * | 2023-12-21 | 2024-01-26 | 广州双一乳胶制品有限公司 | Anti-aging ice-fire condom and preparation method thereof |
| CN117447748B (en) * | 2023-12-21 | 2024-03-29 | 广州双一乳胶制品有限公司 | Anti-aging ice-fire condom and preparation method thereof |
Also Published As
| Publication number | Publication date |
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| CN104744719B (en) | 2018-09-18 |
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