CN1903147A - Condom and its prepn. method - Google Patents
Condom and its prepn. method Download PDFInfo
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- CN1903147A CN1903147A CN 200510083480 CN200510083480A CN1903147A CN 1903147 A CN1903147 A CN 1903147A CN 200510083480 CN200510083480 CN 200510083480 CN 200510083480 A CN200510083480 A CN 200510083480A CN 1903147 A CN1903147 A CN 1903147A
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Abstract
A condom is composed of a basic film made of natural rubber when it is used for man or made of polyurethane when it is used for woman, and two additional films containing antibacterial substance and attached respectively to the outer and inner surfaces of said basic film for deactivating bacteria and virus. Its preparing process is also disclosed.
Description
Technical field
The present invention relates to birth control necessities, particularly relate to a kind of condom.
Background technology
It is current because spread of sexually transmitted diseases, especially spreading of AIDS make countries in the world all the more pay attention to the sexual life of safety.Use condom to become the important means of avoiding spread of sexually transmitted diseases.
Yet there are many problems in current widely used condom, and user health is had tangible harmful effect.
At first, present widely used condom itself is harmful.Use more condom to be made by natural rubber, this kind condom contains the carcinogen nitrosamine.As the additive of producing condom, nitrosamine can be softened natural rubber, makes its richer ductility, does not also have succedaneum at present.Therefore, the condom under the prior art obviously influences the health of user.
What is more important, present employed condom are also dangerous aspect prevention of STD.
Condom more and more comes into one's own as a kind of instrument that prevents spread of sexually transmitted diseases.National governments are prevention of STD, especially spreading of AIDS, all extensively propagate the meaning of using condom in sexual life.But according to July 20 calendar year 2001, the report of U.S. Department of Health and Human Service (HHS) claims: do not have scientific evidence to show that condom can prevent most of sexually transmitted disease (STD).The science special group that this report is made of jointly NIH (NIH), Food and Drug Administration (FDA), CDC (CDC) and Agency for International Development (US-AID) finishes.This special group has checked acquired immune deficiency syndrome (AIDS), gonorrhea, chlamydia, syphilis, chancroid, lymphogranuloma venereum, genital herpes and 8 kinds of sexually transmitted disease (STD) of condyloma acuminatum, finds that present widely used condom can not generally prevent any spread of sexually transmitted diseases.Even correctly use under the situation of condom adhering to, still have the risk of 15% aids infection.This failure ratio can not be ignored, moreover individually, once failure is exactly 100% utter failure.
Summary of the invention
At the problems referred to above, the technical problem that the present invention solves is: novel condom is provided, can reduces that user is propagated, the risk of spreading venereal diseases, and avoid undesirable substances such as nitrosamine contained in the condom to the user health affected.
Condom provided by the invention comprises basement membrane (3), also comprises one deck supplement film at least.
Preferably, described basement membrane (3) is made by natural rubber, and this condom is a condom.
Preferably, described basement membrane (3) is made by polyurethane, and this condom is a female condom, has the opening of V-type, and columniform blind end.
Preferably, described basement membrane (3) is bonded as one with described supplement film.
Preferably, described supplement film comprises inner membrance (2), adventitia (4), is bonded in inside, the outside of described basement membrane (3) respectively.
Preferably, comprise antibiotic substance in the described supplement film.
Preferably, the antibiotic substance that comprises in the described supplement film comprises one or more of following material: mustard extract, south of the River bamboo extract, Fructus Cucumidis sativi extract, 5 core extracts, sulfuric acid ester.
Preferably, described supplement film is main component with chitosan.
Preferably, the top of the blind end of described female condom has spongy body, the immersion of one or more of the following several plant liquid extracts of this spongy body process: mustard extract, south of the River bamboo extract, Fructus Cucumidis sativi extract, 5 core extracts.
The present invention also provides a kind of manufacture method of condom, it is characterized in that, comprising:
101) the clavate mould is immersed the acetic acid solution that is dissolved with the chitosan raw material;
102) solvent is waved in the mould taking-up evaporation of above-mentioned immersion, formed thin film at die surface;
103) above-mentioned heavily the steaming at goods immersion dipping by lye or with ammonia solidified;
104) the above-mentioned immersion in the fused natural rubber at goods soaked latex;
105) above-mentioned process is soaked the air-dry at goods of latex.
Preferably, described step 104) also comprise before:
111) antibiotic substance is added the chitosan acetic acid solution and obtain medicinal liquid;
112) described medicinal liquid is mixed with gelatin, glycerol;
113) with step 103) obtain immerse above-mentioned steps 112 at goods together with mould) soak in the solution that obtains;
114) with step 113) obtain air-dry at goods.
Preferably, described step 105) afterwards, use obtain at goods repeating step 101 once more) to 103).
Preferably, described repeating step once more 101) to step 103) after, repeating step 111) to step 114).
The present invention also provides the manufacture method of another kind of condom, and this method is used to make female condom, comprising:
141) be V-type with the top, the lower end is that the mould of clavate immerses the acetic acid solution that is dissolved with the chitosan raw material;
142) solvent is waved in the mould taking-up evaporation of above-mentioned immersion, formed thin film at die surface;
143) with above-mentioned steps 142) obtain immerse dipping by lye or heavily steam at goods and solidify with ammonia;
144) with above-mentioned steps 143) obtain put the body that the polyurethane of molding is made at goods together with its mould;
145) with above-mentioned steps 144) obtain carry out hot pressing at goods.
146) with above-mentioned steps 145) being wrapped on the implantation device of obtaining in the goods upset.
Preferably, described step 144) also comprise before:
151) antibiotic substance is added the chitosan acetic acid solution and obtain medicinal liquid;
152) described medicinal liquid is mixed with gelatin, glycerol;
153) with step 143) obtain immerse described step 152 together with mould at goods) soak in the solution that obtains;
154) with step 153) obtain air-dry at goods.
Preferably, described step 144) afterwards, use obtain at goods repeating step 141 once more) to 143).
Preferably, described repeating step once more 141) to step 143) after, repeating step 151) to step 154).
Preferably, described step 102) and 142) described evaporation waves solvent and carries out under 40 °-90 °.
Preferably, air-dryly described in the above method under 40 °-90 ° Celsius, carry out.
Preferably, described step 111) and step 151) the antibiotic substance ratio that adds the chitosan acetic acid solution be 5%-25%.
Preferably, described step 112) and step 152) ratio of medicinal liquid, gelatin, glycerol is 1: 1: 0.5.
Preferably, described step 111) and step 151) antibiotic substance comprise one or more of following material: mustard extract, south of the River bamboo extract, Fructus Cucumidis sativi extract, 5 core extracts, sulfuric acid ester.
With respect to prior art, the invention has the beneficial effects as follows:
At first, compared with prior art, condom provided by the invention has inner membrance 2, adventitia 4.For condom, this two-layer supplement film makes the natural rubber part of condom not contact with human body, avoids nitrosamine in the natural rubber to the influence of human body.Simultaneously, do not influence the percentage elongation of condom.
Secondly, the present invention is a pharmaceutical film for the inside and outside two membranes that condom increases, can active to virus adsorb, separation, deactivation.Be the active elimination virus thereby make condom become passive virus-isolating, improve the preventive effect of condom sexually transmitted disease (STD).
Description of drawings
Fig. 1 is the front view and the profile of first embodiment of the invention condom;
Fig. 2 is the front view and the profile of second embodiment of the invention female condom
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are described.
With reference to the accompanying drawings 1, be example explanation embodiments of the present invention with the condom.This figure is the front view and the profile of condom of the present invention.
This condom 1 is divided into three layers, is followed successively by inner membrance 2, basement membrane 3, adventitia 4 from inside to outside.
Described basement membrane 3 is made with traditional natural rubber condom.The effect of basement membrane 3 is: make inner membrance 2, adventitia 4 that the place of adhering to be arranged, make condom have elasticity, ductility.
Inner membrance 2, adventitia 4 are collectively referred to as supplement film, and its composition is identical, all be the chitin made with chitosan as carrier, comprised plant liquid extract and mix the gel that forms with the sulfuric ester of hot gel and make.Described Chinese herbal medicine comprises mustard extract, south of the River bamboo extract, Fructus Cucumidis sativi extract, 5 core extracts etc.
Above-mentioned three-layer thin-film adopts the composite crosslinking mode to combine together altogether.
Inner membrance 2, adventitia 4 are positioned at the surfaces externally and internally of natural rubber, and have the basement membrane of avoiding 3 and directly contact with human body, and to the effect of microbial disinfection, deactivation.
Described basement membrane 3 is to be made by natural rubber, and nitrosamine wherein has the effect that strengthens natural rubber ductility, does not still have succedaneum at present.But nitrosamine is a kind of carcinogen, and the contact people knows from experience the generation ill effect.Condom provided by the invention, its inner membrance 2, adventitia 4 stick on the basement membrane 3, and the basement membrane 3 of avoiding human body and natural rubber to make contacts, and makes the nitrosamine in the basement membrane 3 can not injure user.
Chitosan as carrier in inner membrance 2, the adventitia 4 has good, soft, the transparent characteristics of mechanical strength, and with human body the effect of good self-lubricating is arranged, and use is more comfortable.
Simultaneously, the plant liquid extract that comprises in inner membrance 2, the adventitia 4 has bactericidal action.The effect that various bacteria, viruses such as hepatitis B virus, HIV (human immunodeficiency virus), staphylococcus, gonorrhea bacterium, Candida albicans is had inhibition, deactivation.
The gel networks of the sulfuric ester of hot gel can play the effect of medicinal slow release agent in inner membrance 2, the adventitia 4, and the sulfuric ester of hot gel has entered clinical experimental stage in the world as a kind of medicine for the treatment of acquired immune deficiency syndrome (AIDS).
The germ-resistant principle of this condom is: the inner membrance 2 of this condom, the chitin molecule of adventitia 4, can be penetrated in the seminal fluid, and the interaction by positive and negative charge, and be adsorbed on the surface of virus or pathogenic bacteria.At this moment, it discharges its medicinal herb components that comprises, and suppresses or microorganisms such as deactivation antibacterial, virus.
Common condom adopts simple obstruct mode to virus and pathogenic bacteria, and condom provided by the invention to pathogenic bacteria virus can adsorb on one's own initiative, separation, deactivation.Therefore, can more effectively prevent sexually transmitted disease (STD), especially spreading of AIDS, reduce the propagation probability of sexually transmitted disease (STD).
In addition, the equal nonirritant of material that comprises in the inner membrance 2 of this condom, the adventitia 4, have no side effect the safety and comfort in can guaranteeing to use.
The present invention provides the manufacture method of above-mentioned condom simultaneously.
Step S11 dissolves the chitosan raw material with acetic acid solution, become high concentration chitosan acetic acid solution.The concentration of acetic acid solution for example is 0.5%-5%.
Step S12 filters above-mentioned chitosan acetic acid solution, removes impurity.
Step S13 immerses above-mentioned chitosan acetic acid solution with the mould of a clavate and soaks, and mould was constantly rotated 1-5 minute, dries through 1-5 minute after the taking-up, repeats to soak 3-4 time again.
Step S14 will propose from the chitosan acetic acid solution through the mould that soaks, 40 °-90 ° down evaporation wave solvent, form thin film at die surface, this layer film be described condom at goods.
Step S15, with above-mentioned immerse together with mould to soak in the alkali liquor or heavily steam at goods with ammonia solidify.
Step S16 adds the sulfuric ester of mustard extract, south of the River bamboo extract, Fructus Cucumidis sativi extract, 5 core extracts and the hot gel ratio with 5%-25% in the described chitosan acetic acid solution, obtains medicinal liquid.
Step S17 mixes the described medicinal liquid of step S16 with gelatin, glycerol.Three's mixed proportion is roughly 1: 1: 0.5.
Step S18 immerses the solution that step S17 obtains with what described step S15 obtained at goods, can soak 3-4 time repeatedly.
Step S19, what in 40 °-90 ° hot blast above-mentioned steps S18 is obtained is air-dry at goods.Final acquisition chitosan is the medicine film of carrier.This medicine film is exactly the inner membrance of this condom.
Step S20 with moving in the natural rubber that dissolves together with its mould at goods that step S19 obtains, soaks latex.
Step 21 was soaked the dry under hot blast at goods of latex with described step S19, and the temperature of this hot blast for example is 40 °-90 °.Through above-mentioned latex and the drying of soaking, form the basement membrane of this condom.
Step S22 immerses the dried of step S21 acquisition in the chitosan acetic acid solution of step S12 acquisition together with mould at goods, and repeating step S13 forms the adventitia of this condom to step S19.
Step S23 deviates from described stainless steel mould, obtains the condom of molding.
See also Fig. 2, be second embodiment of the invention, the front view of female condom 5 and profile.
As shown in the figure, these female condom 5 openings are V-type, and blind end is cylindrical, and is equipped with spongy body on the top of blind end.
Identical with first embodiment, on the section of this female condom, comprise inner membrance 6, basement membrane 7, adventitia 8.According to the characteristic of female condom, described basement membrane is made by polyurethane.In addition, the front end of female condom 5 is equipped with spongy body, and this spongy body soaked plant liquid extracts such as the described mustard extract of first embodiment, south of the River bamboo extract, Fructus Cucumidis sativi extract, 5 core extracts, to strengthen bactericidal effect.Described inner membrance 6, adventitia 8 are identical with inner membrance 2, the adventitia 4 of first embodiment, for being the medicine film of carrier with the chitosan, have bactericidal action equally.Different is, above-mentioned inner membrance 6, adventitia 8 and described basement membrane 7 dissolve each other with high temperature, and to be cross-linked to form be one.
This female condom adopts special implantation device to put into female sex organs, to keep away the unhygienic sensation that manual-free is placed.
Because this female condom has inner membrance 6, adventitia 8, the basement membrane that polyurethane is made does not directly contact the sound that is discord of avoiding human body and condom friction to cause with human body.Simultaneously, have good adhesiveness, can reduce women's sense of discomfort owing to form the chitosan and the female skin of adventitia 8.
The sterilization mechanism of this female condom is identical with the condom of above-mentioned first embodiment, can reduce the effect of spread of sexually transmitted diseases probability equally.
The present invention provides the manufacture method of above-mentioned condom simultaneously.
Step S31 dissolves the chitosan raw material with acetic acid solution, become high concentration chitosan acetic acid solution.The concentration of acetic acid solution for example is 0.5%-5%.
Step S32 filters above-mentioned chitosan acetic acid solution, removes impurity.
Step S33 is a V-type with a upper end, and the lower end is that the mould of clavate immerses above-mentioned chitosan acetic acid solution immersion, and mould was constantly rotated 1-5 minute, dries through 1-5 minute after the taking-up, repeats to soak 3-4 time again.
Step S34 will propose from the chitosan acetic acid solution through the mould that soaks, 40 °-90 ° down evaporation wave solvent, form thin film at die surface, this layer film be described female condom at goods.
Step S35, with above-mentioned immerse together with mould to soak in the alkali liquor or heavily steam at goods with ammonia solidify.
Step S36 adds the sulfuric ester of mustard extract, south of the River bamboo extract, Fructus Cucumidis sativi extract, 5 core extracts and the hot gel ratio with 5%-25% in the described chitosan acetic acid solution, obtains medicinal liquid.
Step S37 mixes the described medicinal liquid of step S36 with gelatin, glycerol.Three's mixed proportion is roughly 1: 1: 0.5.
Step S38 immerses the solution that step S37 obtains with what described step S35 obtained at goods, can soak 3-4 time repeatedly.
Step S39, what in 40 °-90 ° hot blast above-mentioned steps S38 is obtained is air-dry at goods.Final acquisition chitosan is the medicine film of carrier.This medicine film is exactly the adventitia of this female condom.
Step S40 puts body that the polyurethane of molding make at goods together with its mould with what step S39 obtained, and the body of this polyurethane is exactly the basement membrane of this female condom.
Step S41, with immersing in the chitosan acetic acid solution of step S12 acquisition together with mould at goods that step S40 obtains, repeating step S33 forms the adventitia of this female condom to step S39.
Step S42 carries out hot pressing at goods with what step S41 obtained under 50 °-150 °, it is crosslinked that three-layer-material is dissolved each other through high temperature, forms one.
Step S43 places the spongy body that soaked mustard extract, south of the River bamboo extract, Fructus Cucumidis sativi extract, 5 core extracts what step S42 obtained on the goods top.
Step S44 with overturning at goods that above-mentioned steps S43 obtains, swathes on implantation device, obtains final finished product.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (22)
1. a condom comprises basement membrane (3), it is characterized in that, also comprises one deck supplement film at least.
2, condom according to claim 1 is characterized in that, described basement membrane (3) is made by natural rubber, and this condom is a condom.
3, condom according to claim 1 is characterized in that, described basement membrane (3) is made by polyurethane, and this condom is a female condom, has the opening of V-type, and columniform blind end.
4, condom according to claim 1 is characterized in that, described basement membrane (3) is bonded as one with described supplement film.
5, condom according to claim 1 is characterized in that:
Described supplement film comprises inner membrance (2), adventitia (4), is bonded in inside, the outside of described basement membrane (3) respectively.
6, condom according to claim 1 is characterized in that, comprises antibiotic substance in the described supplement film.
7, condom according to claim 6 is characterized in that, the antibiotic substance that comprises in the described supplement film comprises one or more of following material: mustard extract, south of the River bamboo extract, Fructus Cucumidis sativi extract, 5 core extracts, sulfuric acid ester.
8, condom according to claim 1 is characterized in that, described supplement film is main component with chitosan.
9, condom according to claim 3, it is characterized in that, the top of the blind end of described condom has spongy body, the immersion of one or more of the following several plant liquid extracts of this spongy body process: mustard extract, south of the River bamboo extract, Fructus Cucumidis sativi extract, 5 core extracts.
10, a kind of manufacture method of condom is characterized in that, comprising:
101) the clavate mould is immersed the acetic acid solution that is dissolved with the chitosan raw material;
102) solvent is waved in the mould taking-up evaporation of above-mentioned immersion, formed thin film at die surface;
103) above-mentioned heavily the steaming at goods immersion dipping by lye or with ammonia solidified;
104) the above-mentioned immersion in the fused natural rubber at goods soaked latex;
105) above-mentioned process is soaked the air-dry at goods of latex.
11, manufacture method according to claim 10 is characterized in that, described step 104) also comprise before:
111) antibiotic substance is added the chitosan acetic acid solution and obtain medicinal liquid;
112) described medicinal liquid is mixed with gelatin, glycerol;
113) with step 103) obtain immerse above-mentioned steps 112 at goods together with mould) soak in the solution that obtains;
114) with step 113) obtain air-dry at goods.
12, according to claim 10 or 11 described methods, it is characterized in that described step 105) afterwards, use to obtain at goods repeating step 101 once more) to 103).
13, method according to claim 12 is characterized in that, described repeating step once more 101) to step 103) after, repeating step 111) to step 114).
14, a kind of manufacture method of condom is characterized in that, comprising:
141) be V-type with the top, the lower end is that the mould of clavate immerses the acetic acid solution that is dissolved with the chitosan raw material;
142) solvent is waved in the mould taking-up evaporation of above-mentioned immersion, formed thin film at die surface;
143) with above-mentioned steps 142) obtain immerse dipping by lye or heavily steam at goods and solidify with ammonia;
144) with above-mentioned steps 143) obtain put the body that the polyurethane of molding is made at goods together with its mould;
145) with above-mentioned steps 144) obtain carry out hot pressing at goods.
146) with above-mentioned steps 145) being wrapped on the implantation device of obtaining in the goods upset.
15, manufacture method according to claim 14 is characterized in that, described step 144) also comprise before:
151) antibiotic substance is added the chitosan acetic acid solution and obtain medicinal liquid;
152) described medicinal liquid is mixed with gelatin, glycerol;
153) with step 143) obtain immerse described step 152 together with mould at goods) soak in the solution that obtains;
154) with step 153) obtain air-dry at goods.
16, method according to claim 14 is characterized in that, described step 144) afterwards, use to obtain at goods repeating step 141 once more) to 143).
17, method according to claim 16 is characterized in that, described repeating step once more 141) to step 143) after, repeating step 151) to step 154).
18, according to claim 10 or 14 described methods, it is characterized in that described step 102) and 142) described evaporation waves solvent and carry out under 40 °-90 °.
19, according to each described method in the claim 10,11,14 or 15, it is characterized in that described air-dryly under 40 °-90 ° Celsius, carry out.
20, according to claim 11 or 15 described methods, it is characterized in that described step 111) and step 151) the antibiotic substance ratio that adds the chitosan acetic acid solution be 5%-25%.
21, according to claim 11 or 15 described methods, it is characterized in that described step 112) and step 152) ratio of medicinal liquid, gelatin, glycerol is 1: 1: 0.5.
22, according to claim 11 or 15 described methods, it is characterized in that described step 111) and step 151) antibiotic substance comprise one or more of following material: mustard extract, south of the River bamboo extract, Fructus Cucumidis sativi extract, 5 core extracts, sulfuric acid ester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510083480 CN1903147A (en) | 2005-07-27 | 2005-07-27 | Condom and its prepn. method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510083480 CN1903147A (en) | 2005-07-27 | 2005-07-27 | Condom and its prepn. method |
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| Publication Number | Publication Date |
|---|---|
| CN1903147A true CN1903147A (en) | 2007-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510083480 Pending CN1903147A (en) | 2005-07-27 | 2005-07-27 | Condom and its prepn. method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961279A (en) * | 2010-11-05 | 2011-02-02 | 胡智强 | Double-layer sandwich or multi-layer sandwich multi-latex condom and preparation method thereof |
| CN102078233A (en) * | 2011-03-10 | 2011-06-01 | 中国化工橡胶株洲研究设计院 | Condom and preparation method thereof |
| CN104807718A (en) * | 2015-04-15 | 2015-07-29 | 天津市计划生育药具管理中心 | Method for detecting total quantity of lubricants of female condoms |
| CN107214893A (en) * | 2017-06-01 | 2017-09-29 | 李博 | A kind of method that use high polymer material mixture prepares Novel condom |
-
2005
- 2005-07-27 CN CN 200510083480 patent/CN1903147A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961279A (en) * | 2010-11-05 | 2011-02-02 | 胡智强 | Double-layer sandwich or multi-layer sandwich multi-latex condom and preparation method thereof |
| CN102078233A (en) * | 2011-03-10 | 2011-06-01 | 中国化工橡胶株洲研究设计院 | Condom and preparation method thereof |
| CN104807718A (en) * | 2015-04-15 | 2015-07-29 | 天津市计划生育药具管理中心 | Method for detecting total quantity of lubricants of female condoms |
| CN107214893A (en) * | 2017-06-01 | 2017-09-29 | 李博 | A kind of method that use high polymer material mixture prepares Novel condom |
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Open date: 20070131 |