WO2021164241A1 - 一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料及制备方法 - Google Patents

一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料及制备方法 Download PDF

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WO2021164241A1
WO2021164241A1 PCT/CN2020/114662 CN2020114662W WO2021164241A1 WO 2021164241 A1 WO2021164241 A1 WO 2021164241A1 CN 2020114662 W CN2020114662 W CN 2020114662W WO 2021164241 A1 WO2021164241 A1 WO 2021164241A1
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sio
general formula
component
organic silicon
filter material
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PCT/CN2020/114662
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English (en)
French (fr)
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蒋路谣
华永军
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苏州桐力光电股份有限公司
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0001—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0442—Antimicrobial, antibacterial, antifungal additives

Definitions

  • the invention relates to an organic silicon porous, breathable, disinfecting and sterilizing nano filter material for masks and a preparation method thereof, and belongs to the technical field of organic silicon materials.
  • a medical mask is composed of a mask face and a tension belt.
  • the face of the mask is divided into three layers: inner, middle and outer.
  • Meltblown material layer the outer layer is a special material antibacterial layer (non-woven fabric or ultra-thin polypropylene meltblown material layer).
  • medical masks can be divided into medical protective masks, medical surgical masks and ordinary medical masks.
  • medical protective masks include N95 and KN95 masks) have the highest protection level and are a kind of adhesive self-priming filter medical Protective equipment can filter airborne particles, block droplets, blood, body fluids, secretion droplets and most bacteria, viruses and other pathogens.
  • the purpose of the present invention is to provide an organic silicon porous, breathable, disinfecting and sterilizing nano filter material for masks and a preparation method thereof.
  • the technical solution provided by the present invention is: an organic silicon porous, breathable, disinfecting and sterilizing nano filter material for masks.
  • the raw material formula includes component A and component B:
  • the component A includes the following materials in mass percentage:
  • the component B includes the following materials in mass percentage:
  • methyl vinyl polysiloxane is at least one of the compounds in accordance with the general formula A, the general formula B, the general formula C and the general formula D:
  • Me is methyl
  • Vi is vinyl
  • m 1-10
  • the kinematic viscosity is 1000-50000 cps
  • the mass fraction of vinyl functional groups is 0.05-5%
  • Me is methyl
  • Vi is vinyl
  • n 10-1000; at 25° C., the kinematic viscosity is 1000-1000000 cps, and the mass fraction of vinyl functional groups is 0.01-5%.
  • methyl hydrogen-containing polysiloxane is at least one of the compounds conforming to the general formula A, the general formula B, the general formula C and the general formula D:
  • x 1-5
  • y 0-5
  • m 1-5
  • n 0-5;
  • x 1-5
  • y 0-5
  • m 1-5
  • n 0-5;
  • R 1 , R 2 and R 3 each independently represent isobutyl triethoxy, vinyl tert-butyl triperoxide, butadienyl triethoxy, hydrogen groups and hydrogen-containing active functional groups.
  • the chain extender is at least one of the compounds in accordance with the general formula A and the general formula B:
  • the blowing agent is N,N-dinitrosopentamethylenetetramine, benzoic acid, diphenylsulfonyl hydrazide ether, diazoaminobenzene, p-toluenesulfonyl hydrazide, At least one of azodiisobutyronitrile, sodium bicarbonate, zinc oxide, ammonium bicarbonate, and alum.
  • the alkylene group is a substituted or unsubstituted alkylene group having 2 to 20 carbon atoms.
  • the hydrolyzable group refers to a group that can be separated from the main skeleton of the compound by a hydrolysis reaction.
  • -OR, -OCOR, -ON CR 2 , -NR 2 , -NHR, halogen
  • R represents a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms, etc., preferably -OR( Namely alkoxy).
  • R include unsubstituted alkyl groups such as methyl, ethyl, propyl, isopropyl, n-butyl, and isobutyl; substituted alkyl groups such as chloromethyl.
  • an alkyl group especially an unsubstituted alkyl group is preferable, and a methyl group or an ethyl group is more preferable.
  • the hydroxyl group is not particularly limited, and may be a hydroxyl group generated by hydrolyzing a hydrolyzable group.
  • the acetylenic alcohol inhibitor is at least one of 3-(trimethylsilyl)propynol, 1-ethynyl-1-cyclohexanol and 1-ethynylcyclohexanol.
  • the disinfectant is at least one of nano-silver, calcium propionate, p-hydroxybenzoate, phenol, aminobenzene sulfonic acid, dichloronaphthoquinone or stable chlorine dioxide solid powder .
  • the anti-structuring agent is at least one of diphenylsiliconediol, hexamethyldisilazane, and hydroxysilicone oil.
  • the weak reinforcing agent is at least one of vapor-phase method white carbon black or precipitation method white carbon black.
  • the foam stabilizer is hydroxyethyl cellulose, hydroxymethyl methyl cellulose, allyl-terminated polyether, methyl cellulose ether, hydroxynyl methyl cellulose and dimethyl cellulose. At least one of silicone oil.
  • the platinum catalyst is castor platinum catalyst, chloroplatinic acid-ketone, chloroplatinic acid-ene, chloroplatinic acid-ester, chloroplatinic acid-alcohol, chloroplatinic acid-ether or silicone At least one of the alkane complex platinum catalysts, wherein the concentration of platinum metal is within 500-100000 ppm.
  • the technical solution provided by the present invention is: a method for preparing a porous, breathable, sterilizing, and sterilizing organic silicon filter material for masks.
  • a method for preparing a porous, breathable, sterilizing, and sterilizing organic silicon filter material for masks Use the above-mentioned raw material formula; after the preparation method package, it includes the preparation method of component A and the preparation method of component B;
  • the preparation method of component A includes: mixing foaming agent, acetylenic alcohol inhibitor and disinfectant under vacuum and negative pressure and under circulating water cooling condition by stirring and dispersing in methyl vinyl polysiloxane. , In the mixed system composed of methyl hydrogen-containing polysiloxane, chain extender and tackifier, make component A;
  • the preparation method of component B includes: the weak reinforcing agent, foam stabilizer and platinum catalyst are dispersed in a mixture composed of methyl vinyl polysiloxane and anti-structuring agent under vacuum and negative pressure. In the system, make component B.
  • the vacuum negative pressure is -0.08 ⁇ -0.1MPa
  • the rotation speed of the stirring paddle during stirring is 15 ⁇ 70r/min
  • the rotation speed of the dispersing disc is 1000 ⁇ 2000r/min.
  • the main chain of the organosilicon material of the present invention is composed of silicon-oxygen chain links, and the side chain is composed of organic groups connected with main chain silicon atoms.
  • the unique structure enables the organosilicon material to have the properties of both inorganic and organic materials, and has high gas permeability.
  • the flexibility, high elasticity, compressibility and excellent waterproof and moisture-proof function of silicone materials continue to expand in the field of medical applications.
  • silicone foamed porous silicone gel as the carrier of disinfection and sterilization factors, it can resist moisture, dirt and other atmospheric components, reduce mechanical stress and tension caused by machinery, impact and vibration, and has good self-repairing ability and more Self-repair of secondary damage, etc.
  • Medical protective masks are made by processes such as melt-blown, spunbond, hot air or acupuncture.
  • the organic silicon porous, breathable, sterilizing and sterilizing nano-filter material of the mask has fine and uniform cross-sectional cells, and it is tortuous and transparent, which not only ensures sufficient breathing channels for the mask.
  • the surface area is huge, the surface is full of stickiness and anti-virus and bacteria-killing factors, which can effectively adhere to and kill viruses and bacteria, ensuring that the mask remains safe and hygienic during long-term use.
  • the mask s organic silicon porous ventilating disinfection and sterilization nano filter material can successfully complete the task of capturing and adhering to viruses and bacteria, and has excellent antivirus and sterilization functions, which solves the problem of virus and bacteria pollution during use of the mask. Lead to the problem of reduced efficiency and safety factor.
  • the cross-sectional cells are fine and uniform, and the tortuous and transparent, which not only ensures enough breathing channels for the mask, but also has a huge surface area, and the surface is full of viscous and anti-virus and sterilizing factors. Effectively adhere to and kill viruses and bacteria, ensuring that the mask remains safe and hygienic during long-term use.
  • the mask s organic silicon porous ventilating disinfection and sterilization nano filter material can successfully complete the task of capturing and adhering to viruses and bacteria, and has excellent antivirus and sterilization functions, which solves the problem of virus and bacteria pollution during use of the mask. Lead to the problem of reduced efficiency and safety factor.
  • Embodiment one a kind of organic silicon porous, breathable, disinfecting and sterilizing nano filter material for masks and its preparation method
  • An organic silicon porous, breathable, disinfecting and sterilizing nano filter material for masks which is synthesized from component A and component B in the same mass ratio;
  • said component A includes the following components: methyl vinyl polysiloxane, methyl Hydrogen-containing polysiloxane, chain extender, foaming agent, tackifier, acetylenic alcohol inhibitor and disinfectant, the weight percentage of each component is as follows: methyl vinyl polysiloxane 30%, methyl 56.95% of hydrogen-containing polysiloxane, 5% of chain extender, 5% of foaming agent, 0.5% of thickener, 0.05% of acetylenic alcohol inhibitor and 2.5% of disinfectant;
  • the component B includes the following components: methyl vinyl polysiloxane, anti-structuring agent, weak reinforcing agent, foam stabilizer and platinum catalyst, wherein the weight percentage of each component is as follows: methyl vinyl polysiloxane Silicone 74.92%, anti-structuring agent 5%, weak reinforcing agent 10%, foam stabilizer 10% and platinum catalyst 0.08%.
  • a preferred embodiment is: the structural formula of the methyl vinyl polysiloxane is a mixture of the following compounds in equal proportions:
  • [SiO 4/2 ] c is the Q structure
  • M:Q value [ie (a+b)/c] In the range of 0.5-1, the specific value of this embodiment is 0.8, the kinematic viscosity is 5000-1000000 cps at 25°C, and the mass fraction of vinyl functional groups is within 0.1%-1%; the specific embodiment of this embodiment The kinematic viscosity is 105000cps, and the mass fraction of vinyl functional groups is 0.6%.
  • ⁇ B>(ViMe 2 SiO 1/2 )(Me 2 SiO) m (MeSiO 3/2 ) n , where Me is a methyl group, Vi is a vinyl group, m/n 2, the kinematic viscosity is 1000 at 25°C -100000 cps, the mass fraction of vinyl functional groups is within 0.5%-2%, the specific kinematic viscosity in this embodiment is 5000 cps, and the mass fraction of vinyl functional groups is 1.2%.
  • kinematic viscosity 1000-50000cps at 25°C
  • vinyl functional group mass fraction It is between 0.05% and 5%; in this embodiment, the kinematic viscosity is 20000 cps, and the mass fraction of vinyl functional groups is 0.2%.
  • ⁇ D>(ViMe 3 SiO 1/2 ) 2 (Me 2 SiO) n ; where Me is methyl, Vi is vinyl, n 1500, kinematic viscosity is 1000-1000000cps at 25°C, vinyl functional group mass fraction It is between 0.01% and 5%; in this embodiment, the kinematic viscosity is 130,000 cps, and the mass fraction of vinyl functional groups is 0.5%.
  • R 1 is isobutyl triethoxy
  • R 2 is a hydrogen group.
  • R 1 is vinyl tert-butyl triperoxide
  • R 3 isobutyl triethoxy .
  • R 1 , R 2 and R 3 are one of isobutyl triethoxy, vinyl tert-butyl triperoxide, butadienyl triethoxy, hydrogen group and hydrogen-containing active functional group or
  • the kinematic viscosity is 10-100 cps at 25°C, and the mass fraction of functional groups is within 0.001%-0.5%; in this embodiment, the kinematic viscosity is 50 cps and the mass fraction of functional groups is 0.02%.
  • the kinematic viscosity at 25°C is 100-50000 cps, and the mass fraction of functional groups is within 0.005% -1%; in this embodiment, the kinematic viscosity is 23000 cps and the mass fraction of functional groups is 0.06%. .
  • blowing agent is N,N-dinitrosopentamethylenetetramine
  • a preferred technical solution is that the acetylenic alcohol inhibitor 3-(trimethylsilyl)propynol.
  • the preferred technical solution is that the disinfectant is calcium propionate.
  • the anti-structuring agent is diphenyl silicon diol.
  • the weak reinforcing agent is fumed silica.
  • the foam stabilizer is hydroxyethyl cellulose.
  • the platinum catalyst is a Castel platinum catalyst, wherein the concentration of platinum metal is within 10000 ppm.
  • the preparation method includes the preparation method of component A and the preparation method of component B, wherein the preparation method of component A is as follows: the foaming agent, acetylenic alcohol inhibitor and disinfectant under vacuum and negative pressure Under circulating water cooling condition, stir and disperse in the mixed system of methyl vinyl polysiloxane, methyl hydrogen-containing polysiloxane, chain extender and tackifier by high-speed stirring to form component A;
  • component B The preparation method of component B is as follows: Weak reinforcing agent, foam stabilizer and platinum catalyst are dispersed in a mixed system of methyl vinyl polysiloxane and anti-structuring agent under vacuum and negative pressure. , Make component B.
  • the vacuum negative pressure is -0.08 ⁇ -0.1Mpa, the rotation speed of the stirring paddle is 15 ⁇ 70r/min; the rotation speed of the dispersing disc is 1000 ⁇ 2000 r/min;
  • Embodiment two a kind of organic silicon porous, breathable, disinfecting and sterilizing nano filter material for masks and its preparation method
  • the raw material formula includes component A and component B:
  • the component A includes the following materials in mass percentage:
  • the component B includes the following materials in mass percentage:
  • the mass ratio between the component A and the component B is 1:1.
  • methyl vinyl polysiloxane is a mixture of compounds conforming to the general formula B and the general formula D in a mass ratio of 1:1:
  • Me is a methyl group
  • Vi is a vinyl group
  • n 600; at 25° C., the kinematic viscosity is 800,000 cps, and the mass fraction of vinyl functional groups is 4%.
  • methyl hydrogen-containing polysiloxane is a mixture of compounds conforming to general formula A and general formula C in a mass ratio of 1:1:
  • R 1 vinyl triperoxide tert-butyl; R 2 hydrogen group.
  • the chain extender is a compound in accordance with the general formula A:
  • the blowing agent is N,N-dinitrosopentamethylenetetramine.
  • a preferred embodiment is: the acetylenic alcohol inhibitor is 1-ethynyl-1-cyclohexanol.
  • a preferred embodiment is that the disinfectant is dichlornaphthoquinone.
  • the anti-structuring agent is diphenyl silicon diol
  • a preferred embodiment is that the weak reinforcing agent is precipitation method silica.
  • foam stabilizer is allyl-terminated polyether.
  • the platinum catalyst is a polysiloxane complex platinum catalyst, wherein the concentration of platinum metal is within 75000 ppm.
  • the preparation method the raw material formula of the organic silicon porous air-permeable disinfection and sterilization nano filter material for the mask adopts the above-mentioned raw material formula;
  • the preparation method includes the preparation method of component A and the preparation method of component B;
  • the preparation method of component A includes: mixing foaming agent, acetylenic alcohol inhibitor and disinfectant under vacuum and negative pressure and under circulating water cooling condition by stirring and dispersing in methyl vinyl polysiloxane. , In the mixed system composed of methyl hydrogen-containing polysiloxane, chain extender and tackifier, make component A;
  • the preparation method of component B includes: the weak reinforcing agent, foam stabilizer and platinum catalyst are dispersed in a mixture composed of methyl vinyl polysiloxane and anti-structuring agent under vacuum and negative pressure. In the system, make component B.
  • the preferred embodiment is: the vacuum negative pressure is -0.08MPa; the rotating speed of the stirring paddle during stirring is 15r/min; and the rotating speed of the dispersing disc is 1000r/min.
  • Embodiment three a kind of organic silicon porous, breathable, disinfecting and sterilizing nano filter material for masks and its preparation method
  • the raw material formula includes component A and component B:
  • the component A includes the following materials in mass percentage:
  • the component B includes the following materials in mass percentage:
  • [SiO4/2]c is the Q structure
  • the MQ value is (a+b)/c ] Is 0.5-1; at 25°C, the kinematic viscosity is 5000 cps, and the mass fraction of vinyl functional groups is 0.2%.
  • R 1 represents isobutyl triethoxy.
  • the foaming agent is a mixture of benzoic acid and diphenylsulfonyl hydrazide ether in a mass ratio of 1:2.
  • the acetylenic alcohol inhibitor is 3-(trimethylsilyl)propynol, 1-ethynyl-1-cyclohexanol and 1-ethynylcyclohexanol according to 1:2:2 A mixture of mass ratios.
  • a preferred embodiment is that the disinfectant is a mixture of nano silver, paraben and phenol in a mass ratio of 1:1:5.
  • the anti-structuring agent is a mixture composed of diphenylsiliconediol and hexamethyldisilazane in a mass ratio of 1:1.
  • the weak reinforcing agent is a mixture composed of gas phase method white carbon black or precipitation method white carbon black in a mass ratio of 1:5.
  • foam stabilizer is a mixture of hydroxyethyl cellulose, allyl-terminated polyether, and methyl cellulose ether in a mass ratio of 1:1:3.
  • the platinum catalyst is chloroplatinic acid-alcohol, wherein the concentration of platinum metal is within 100,000 ppm. Chloroplatinic acid is dissolved in isopropanol or ethanol to obtain an alcohol solution of chloroplatinic acid, which is chloroplatinic acid-alcohol.
  • the technical solution provided by the present invention is: a method for preparing a porous, breathable, sterilizing, and sterilizing organic silicon filter material for masks.
  • a method for preparing a porous, breathable, sterilizing, and sterilizing organic silicon filter material for masks Use the above-mentioned raw material formula; after the preparation method package, it includes the preparation method of component A and the preparation method of component B;
  • the preparation method of component A includes: mixing foaming agent, acetylenic alcohol inhibitor and disinfectant under vacuum and negative pressure and under circulating water cooling condition by stirring and dispersing in methyl vinyl polysiloxane. , In the mixed system composed of methyl hydrogen-containing polysiloxane, chain extender and tackifier, make component A;
  • the preparation method of component B includes: the weak reinforcing agent, foam stabilizer and platinum catalyst are stirred and dispersed in a mixture composed of methyl vinyl polysiloxane and anti-structuring agent under vacuum and negative pressure. In the system, make component B.
  • the preferred embodiment is: the vacuum negative pressure is -0.09MPa; the rotating speed of the stirring paddle during stirring is 50r/min; and the rotating speed of the dispersing disc is 1500r/min.
  • Embodiment four a kind of organic silicon porous, breathable, disinfecting and sterilizing nano filter material for masks and its preparation method
  • the raw material formula includes component A and component B:
  • the component A includes the following materials in mass percentage:
  • the component B includes the following materials in mass percentage:
  • methyl vinyl polysiloxane is a mixture of compounds conforming to the general formula C and the general formula D in a mass ratio of 1:2:
  • Me is a methyl group
  • Vi is a vinyl group
  • m 10; at 25°C, the kinematic viscosity is 45000 cps, and the mass fraction of vinyl functional groups is 4.5%;
  • Me is a methyl group
  • Vi is a vinyl group
  • n 1000; at 25° C., the kinematic viscosity is 900,000 cps, and the mass fraction of vinyl functional groups is 3%.
  • R 1 hydrogen group and R 2 vinyl tert-butyl triperoxide are examples of R 1 and R 2 vinyl tert-butyl triperoxide.
  • the blowing agent is azobisisobutyronitrile.
  • Y represents a vinyl group, an amino group, an epoxy group, a methylacryloyloxy group or a mercapto group
  • R represents an alkylene group
  • X represents a hydrolyzable group
  • n 0 or 1.
  • the alkylene group is a substituted or unsubstituted alkylene group having 2 to 20 carbon atoms.
  • the acetylenic alcohol inhibitor is 1-ethynyl cyclohexanol.
  • the preferred technical solution is that the disinfectant is stable solid chlorine dioxide powder.
  • the anti-structuring agent is hexamethyldisilazane.
  • the weak reinforcing agent is precipitation method white carbon black.
  • the foam stabilizer is hydroxymethyl methyl cellulose.
  • the platinum catalyst is chloroplatinic acid-ketone, wherein the concentration of platinum metal is 2000 ppm.
  • the technical solution provided by the present invention is: a method for preparing a porous, breathable, sterilizing, and sterilizing organic silicon filter material for masks.
  • a method for preparing a porous, breathable, sterilizing, and sterilizing organic silicon filter material for masks Use the above-mentioned raw material formula; after the preparation method package, it includes the preparation method of component A and the preparation method of component B;
  • the preparation method of component A includes: mixing foaming agent, acetylenic alcohol inhibitor and disinfectant under vacuum and negative pressure and under circulating water cooling condition by stirring and dispersing in methyl vinyl polysiloxane. , In the mixed system composed of methyl hydrogen-containing polysiloxane, chain extender and tackifier, make component A;
  • the preparation method of component B includes: the weak reinforcing agent, foam stabilizer and platinum catalyst are dispersed in a mixture composed of methyl vinyl polysiloxane and anti-structuring agent under vacuum and negative pressure. In the system, make component B.
  • the vacuum negative pressure is -0.08MPa
  • the rotating speed of the stirring paddle during stirring is 15r/min
  • the rotating speed of the dispersing disc is 1000r/min.

Abstract

一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料，由组份A和组份B合成，组份A包括以下各组分：甲基乙烯基聚硅氧烷、甲基含氢聚硅氧烷、扩链剂、发泡剂、增粘剂、炔醇类抑制剂和消毒杀菌剂；组份B包括以下各组分：甲基乙烯基聚硅氧烷、抗结构化剂、弱补强剂、匀泡剂和铂金催化剂；该口罩用有机硅多孔透气消毒杀菌纳米过滤材料混合固化后截面泡孔细密均匀，曲折通透，不仅保证了口罩足够的呼吸用通道，而且表面积巨大，表面充满粘性和杀毒除菌因子，能够有效粘附与杀灭病毒和细菌，确保口罩在长时间使用过程中保持安全卫生。

Description

一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料及制备方法 技术领域
本发明涉及一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料及制备方法，属于有机硅材料技术领域。
背景技术
医用口罩由口罩面体和拉紧带组成，其中口罩面体分为内、中、外三层，内层为亲肤(普通卫生纱布或无纺布)，中层为隔离过滤层(超细聚丙烯纤维熔喷材料层)，外层为特殊材料抑菌层(无纺布或超薄聚丙烯熔喷材料层)。按照性能特点及适用范围，医用口罩可分为医用防护口罩、医用外科口罩和普通医用口罩，其中医用防护口罩(包括N95和KN95口罩)防护等级最高，是一种密合性自吸过滤式医用防护用品，可滤过空气中的微粒，阻隔飞沫、血液、体液、分泌物微滴和大部分细菌、病毒等病原体，适用于医务人员和相关工作人员对经空气传播的呼吸道传染病的防护，尤其适用于诊疗活动中接触经空气传播或近距离经飞沫传播的呼吸道感染疾病患者时佩戴。但是，现在医用防护口罩在医疗操作和重大卫生防护中的使用效率和安全系数还未达到理想的预期，主要原因有以下四点：1，非油性颗粒物过滤效率不能达到100％，只达到≥95％，且长时间使用，过滤效率逐渐降低；2，只能阻隔大部分细菌、病毒等病原体，不具备消毒杀菌和完全阻隔体液喷溅穿透功能，不能应用于新型冠状病毒等重大卫生事故的医疗操作中，特别是气管切开、气管插管等有可能喷溅的高危操作；3，透气性低，对某些体弱或有心肺系统疾病者不适用，对呼吸困难的呼吸道疾病患者也不太适用；4，抗湿性差，长时间佩戴医用防护口罩，由于口腔内有水蒸气，口罩很容易潮湿，导致过滤效率和安全系数严重降低。因此应继续深入研究，突破现在材料和工艺的限制，提高口罩的使用效率和安全系数。
发明内容
本发明的目的在于提供一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料及制备方法。
为实现上述目的及其他相关目的，本发明提供的技术方案是：一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料，原料配方包括组份A和组份B：
所述组份A包括下列质量百分比的材料：
Figure PCTCN2020114662-appb-000001
Figure PCTCN2020114662-appb-000002
所述组份B包括下列质量百分比的材料：
Figure PCTCN2020114662-appb-000003
优选的技术方案为：所述甲基乙烯基聚硅氧烷为符合通式A、通式B、通式C和通式D的化合物中的至少一种：
[(CH 3) 2(CH 2＝CH)SiO 1/2] a[(CH 3) 3SiO 1/2] b[SiO 4/2] c      通式A；
其中，[(CH 3) 2(CH 2＝CH)SiO 1/2] a[CH 3) 3SiO 1/2] b为M结构，[SiO 4/2] c为Q结构，MQ值为0.5-1；在25℃时，运动粘度为5000-1000000cps，乙烯基官能团质量分数为0.1-1％；
(ViMe 2SiO 1/2)(Me 2SiO) m(MeSiO 3/2) n        通式B；
其中，Me为甲基，Vi为乙烯基；m/n＝1-5；在25℃时，运动粘度为1000-100000cps，乙烯基官能团质量分数为0.5-2％；
(ViMe 2SiO 1/2)(MeSiO 3/2) m        通式C；
其中，Me为甲基，Vi为乙烯基，m＝1-10；在25℃时，运动粘度为1000-50000cps，乙烯基官能团质量分数为0.05-5％；
(ViMe 3SiO 1/2)2(Me 2SiO) n         通式D；
其中Me为甲基，Vi为乙烯基，n＝10-1000；在25℃时，运动粘度为1000-1000000cps，乙烯基官能团质量分数为0.01-5％。
优选的技术方案为：所述甲基含氢聚硅氧烷为符合通式A、通式B、通式C和通式D的化合物中的至少一种：
[(CH 3) 2R 1SiO 1/2][(CH 3) 3SiO 2/2]       通式A；
[(CH 3) 2R 1SiO 1/2][(CH 3) 2SiO 2/2] x[R 2SiO 3/2] y      通式B；
其中，x＝1-5，y＝1-5；
[(CH 3) 3SiO 1/2] x(CH 3)R 1SiO 2/2] y[R 2SiO 3/2] m[SiO 4/2] n   通式C；
其中，x＝1-5，y＝0-5，m＝1-5，n＝0-5；
[(CH 3) 2R 1SiO 1/2] x[(CH 3)R 2SiO 2/2] y[R 3SiO 3/2] m[SiO 4/2] n   通式D；
其中，x＝1-5，y＝0-5，m＝1-5，n＝0-5；
其中，R 1、R 2和R 3各自独立地代表异丁基三乙氧基、乙烯基三过氧化叔丁基、丁二烯 基三乙氧基、氢基和含氢基活泼官能团。
优选的技术方案为：所述扩链剂为符合通式A和通式B的化合物中的至少一种：
(HMe 2SiO 1/2) x(MeSiO 3/2) y       通式A；
其中，x＝1～10，y＝1～10；
[HMe 2SiO 1/2][Me 2SiO 2/2] x[HSiO 3/2] y      通式B；
其中，x＝1～10，y＝1～10；
其中，Me为甲基，y/x＝1～5。
优选的技术方案为：所述发泡剂为N,N-二亚硝基五次甲基四胺、苯甲酸、二苯磺酰肼醚、二偶氮氨基苯、对甲苯磺酰肼、偶氮二异丁腈、碳酸氢钠、氧化锌、碳酸氢铵和明矾中的至少一种。
优选的技术方案为：所述增粘剂符合结构通式YR nSiX 3-n的化合物中的至少一种；其中，Y代表乙烯基、氨基、环氧基、甲基丙乙烯酰氧基或巯基；R代表亚烷基，X代表能够水解的基团，n＝0或1。其中Y代表乙烯基、氨基、环氧基、甲基丙乙烯酰氧基或巯基，R代表亚烷基，X代表能够水解的基团，n＝0或1。亚烷基为碳原子数2～20的取代或非取代的亚烷基。能够水解的基团是指能够通过水解反应从化合物的主骨架上脱离的基团。例如：-OR、-OCOR、-O-N＝CR 2、-NR 2、-NHR、卤素，这些式中，R表示取代或非取代的碳原子数1～4的烷基等，优选为-OR(即烷氧基)。R的例子包括甲基、乙基、丙基、异丙基、正丁基、异丁基等非取代烷基；氯甲基等取代烷基。这些之中，优选烷基、特别是非取代烷基，更优选为甲基或乙基。羟基没有特别限定，可以为能够水解的基团发生水解而生成的羟基。
优选的技术方案为：所述炔醇抑制剂为3-(三甲基硅基)丙炔醇、1-乙炔基-1-环己醇和1-乙炔基环己醇中的至少一种。
优选的技术方案为：所述消毒杀菌剂为纳米银、丙酸钙、对羟基苯甲酸酯、苯酚、氨基苯磺酸、二氯萘醌或稳定态二氧化氯固体粉末中的至少一种。
优选的技术方案为：所述抗结构化剂为二苯基硅二醇、六甲基二硅氨烷和羟基硅油中的至少一种。
优选的技术方案为：所述弱补强剂为气相法白炭黑或沉淀法白炭黑中的至少一种。
优选的技术方案为：所述匀泡剂为羟乙基纤维素、羟甲基甲基纤维素、端烯丙基聚醚、甲基纤维素醚、羟内基甲基纤维素和二甲基硅油中的至少一种。
优选的技术方案为：所述铂金催化剂为卡斯特铂金催化剂、氯铂酸-酮、氯铂酸-烯、氯铂酸-酯、氯铂酸-醇、氯铂酸-醚或者聚硅氧烷络合物铂金催化剂中的至少一种，其中铂金属的浓度在500～100000ppm以内。
为实现上述目的及其他相关目的，本发明提供的技术方案是：一种口罩用有机硅多孔透 气消毒杀菌纳米过滤材料的制备方法，所述口罩用有机硅多孔透气消毒杀菌纳米过滤材料的原料配方采用上述的原料配方；制备方法包后包括组分A的制备方法和组分B的制备方法；
组份A的制备方法包括：将发泡剂、炔醇类抑制剂和消毒杀菌剂在真空负压的条件下和在循环水冷却条件下分次搅拌分散在由甲基乙烯基聚硅氧烷、甲基含氢聚硅氧烷、扩链剂和增粘剂所组成的混合体系中，制成组份A；
组份B的制备方法包括：将弱补强剂、匀泡剂和铂金催化剂在真空负压的条件下分次搅拌分散在由甲基乙烯基聚硅氧烷和抗结构化剂所组成的混合体系中，制成组份B。
优选的技术方案为：所述真空负压为-0.08～-0.1MPa；搅拌时的搅拌桨转速为15～70r/min；分散盘转速为1000～2000r/min。
由于上述技术方案运用，本发明与现有技术相比具有的优点是：
1、本发明的有机硅材料主链由硅-氧链节构成，侧链由有机基团与主链硅原子连接构成，独特的结构使有机硅材料兼备无机与有机材料的性能，高气体渗透性、高弹性以及压缩性和优秀的防水防潮功能等使有机硅材料在医疗应用领域不断拓宽。以有机硅发泡多孔硅凝胶作为消毒杀菌因子的载体，可以抵抗湿气、污物和其他大气组分，减轻机械、冲击和震动引起的机械应力和张力，良好的自修复能力以及可多次破损自修复等。通过熔喷、纺粘、热风或者针刺等工艺制成医用防护口罩，该口罩的有机硅多孔透气消毒杀菌纳米过滤材料截面泡孔细密均匀，曲折通透，不仅保证了口罩足够的呼吸用通道，而且表面积巨大，表面充满粘性和杀毒除菌因子，能够有效粘附与杀灭病毒细菌，确保口罩在长时间使用过程中保持安全卫生。通过多次试验，该口罩用有机硅多孔透气消毒杀菌纳米过滤材料均能圆满完成捕捉与粘附病毒和细菌的任务，且杀毒消菌功能优秀，解决了口罩在使用过程中因病毒和细菌污染导致使用效率和安全系数降低的问题。
2、口罩用有机硅多孔透气消毒杀菌纳米过滤材料混合固化后截面泡孔细密均匀，曲折通透，不仅保证了口罩足够的呼吸用通道，而且表面积巨大，表面充满粘性和杀毒除菌因子，能够有效粘附与杀灭病毒和细菌，确保口罩在长时间使用过程中保持安全卫生。通过多次试验，该口罩用有机硅多孔透气消毒杀菌纳米过滤材料均能圆满完成捕捉与粘附病毒和细菌的任务，且杀毒消菌功能优秀，解决了口罩在使用过程中因病毒和细菌污染导致使用效率和安全系数降低的问题。
具体实施方式
以下由特定的具体实施例说明本发明的实施方式，熟悉此技术的人士可由本实施例所揭露的内容轻易地了解本发明的其他优点及功效。
本文中使用的术语的目的仅在于说明特别实施例，并不意图对本发明做限制。除非上下文明确显示，否则本文中使用的单数形式“一”、“一个”亦包括复数形式。
在说明较佳实施例时，可能基于清楚的目的而使用特别的术语；然而，本说明书所揭露者并不意图被限制在所选择的该特别术语；并且应当理解，每一个特定元件包括具有相同功能、以相似方式操作并达成相似效果的所有等效技术。
实施例一：一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料及制备方法
一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料，由相同质量比的组份A和组份B合成；所述的组份A包括以下各组分：甲基乙烯基聚硅氧烷、甲基含氢聚硅氧烷、扩链剂、发泡剂、增粘剂、炔醇类抑制剂和消毒杀菌剂，其中各成分重量百分数如下：甲基乙烯基聚硅氧烷30％、甲基含氢聚硅氧烷56.95％、扩链剂5％、发泡剂5％、增粘剂0.5％、炔醇类抑制剂0.05％％和消毒杀菌剂2.5％；
所述的组份B包括以下各组分：甲基乙烯基聚硅氧烷、抗结构化剂、弱补强剂、匀泡剂和铂金催化剂，其中各成分重量百分数如下：甲基乙烯基聚硅氧烷74.92％、抗结构化剂5％、弱补强剂10％、匀泡剂10％和铂金催化剂0.08％。
优选的实施方式为：所述甲基乙烯基聚硅氧烷的结构式符合下列中的化合物按照等比例构成的混合物：
<A>[(CH 3) 2(CH 2＝CH)SiO 1/2] a[(CH 3) 3SiO 1/2] b[SiO 4/2] c
其中[(CH 3) 2(CH 2＝CH)SiO 1/2] a[(CH3)3SiO 1/2] b为M结构，[SiO 4/2] c为Q结构，M:Q值[即(a+b)/c]在0.5～1范围内，本实施例具体为0.8，在25℃时运动粘度在5000-1000000cps，乙烯基官能团质量分数在0.1％-1％以内；本实施例具体为运动粘度为105000cps，乙烯基官能团质量分数在0.6％。
<B>(ViMe 2SiO 1/2)(Me 2SiO) m(MeSiO 3/2) n，其中Me为甲基，Vi为乙烯基，m/n＝2,在25℃时运动粘度在1000-100000cps，乙烯基官能团质量分数在0.5％-2％以内，本实施例具体为运动粘度在5000cps，乙烯基官能团质量分数在1.2％。
<C>(ViMe 2SiO 1/2)(MeSiO 3/2) m，其中Me为甲基，Vi为乙烯基，m＝4，在25℃时运动粘度在1000-50000cps，乙烯基官能团质量分数在0.05％-5％；本实施例具体为运动粘度在20000cps，乙烯基官能团质量分数在0.2％。
<D>(ViMe 3SiO 1/2) 2(Me 2SiO) n；其中Me为甲基，Vi为乙烯基，n＝1500，在25℃时运动粘度在1000-1000000cps，乙烯基官能团质量分数在0.01％-5％；本实施例具体为运动粘度在130000cps，乙烯基官能团质量分数在0.5％。
优选的技术方案为，所述的甲基含氢聚硅氧烷的结构式符合下列中的化合物按照等比例构成的混合物：
<A>[(CH 3) 2R 1SiO 1/2][(CH 3) 3SiO 2/2]；R 1丁二烯基三乙氧基。
<B>[(CH 3) 2R 1SiO 1/2][(CH 3) 2SiO 2/2]x[R 2SiO 3/2]y；
其中，x＝3，y＝2。R 1乙烯基三过氧化叔丁基；R 2氢基。
<C>[(CH 3) 3SiO 1/2] x[(CH 3)R 1SiO 2/2] y[R 2SiO 3/2] m[SiO 4/2] n；
x＝2，y＝3，m＝2，n＝1；R 1为异丁基三乙氧基；R 2氢基。
<D>[(CH 3) 2R 1SiO 1/2] x[(CH 3)R 2SiO 2/2] y[R 3SiO 3/2] m[SiO 4/2] n；
其中，x＝3，y＝2，m＝3，n＝1；R 1为乙烯基三过氧化叔丁基；R 2丁二烯基三乙氧基；R 3异丁基三乙氧基。
其中，R 1、R 2和R 3为异丁基三乙氧基、乙烯基三过氧化叔丁基、丁二烯基三乙氧基、氢基和含氢基活泼官能团中的一种或几种，在25℃时运动粘度在10～100cps,官能团质量分数在0.001％-0.5％以内；本实施例具体为运动粘度在50cps,官能团质量分数在0.02％。
优选的技术方案为，所述扩链剂结构式符合下列中的化合物按照等比例构成的混合物：
<A>(HMe 2SiO 1/2) x(MeSiO 3/2) y；其中，x＝5，y＝3；
<B>[HMe2SiO 1/2][Me2SiO 2/2]x[HSiO 3/2] y；
其中，x＝7，y＝3；
其中Me为甲基，y/x＝3，在25℃时运动粘度在100～50000cps，官能团质量分数在0.005％-1％以内；本实施例具体为运动粘度在23000cps，官能团质量分数在0.06％。
优选的技术方案为，所述的发泡剂为N,N-二亚硝基五次甲基四胺
优选的技术方案为，所述的增粘剂符合结构通式YR nSiX 3-n；其中，R代表亚甲基，X代表-OCH 3，n＝0或1，Y为乙烯基。
优选的技术方案为，所述炔醇抑制剂3-(三甲基硅基)丙炔醇。
优选的技术方案为，所述的消毒杀菌剂为丙酸钙。
优选的技术方案为，所述的抗结构化剂为二苯基硅二醇。
优选的技术方案为，所述的弱补强剂为气相法白炭黑。
优选的技术方案为，所述的匀泡剂为羟乙基纤维素。
优选的技术方案为，所述铂金催化剂为卡斯特铂金催化剂，其中铂金属的浓度在10000ppm以内。
制备方法，包括组分A的制备方法和组分B的制备方法，其中组份A的制备方法如下：将发泡剂、炔醇类抑制剂和消毒杀菌剂在真空负压的条件下和在循环水冷却条件下分次高速搅拌分散在甲基乙烯基聚硅氧烷、甲基含氢聚硅氧烷、扩链剂和增粘剂混合体系中，制成组份A；
其中组份B的制备方法如下：将弱补强剂、匀泡剂和铂金催化剂在真空负压的条件下分次高速搅拌分散在甲基乙烯基聚硅氧烷和抗结构化剂混合体系中，制成组份B。
所述的真空负压为-0.08～-0.1Mpa，搅拌桨转速为15～70r/min；分散盘转速为1000～2000 r/min；
实施例二：一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料及制备方法
一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料，原料配方包括组份A和组份B：
所述组份A包括下列质量百分比的材料：
Figure PCTCN2020114662-appb-000004
所述组份B包括下列质量百分比的材料：
Figure PCTCN2020114662-appb-000005
所述组份A和组份B之间的质量比例为1：1。
优选的技术方案为：所述甲基乙烯基聚硅氧烷为符合通式B和通式D的化合物按照1：1的质量比例构成的混合物：
(ViMe 2SiO 1/2)(Me 2SiO) m(MeSiO 3/2) n        通式B；
其中，Me为甲基，Vi为乙烯基；m/n＝1；在25℃时，运动粘度为1000cps，乙烯基官能团质量分数为0.5％；
(ViMe 3SiO 1/2)2(Me 2SiO) n         通式D；
其中Me为甲基，Vi为乙烯基，n＝600；在25℃时，运动粘度为800000cps，乙烯基官能团质量分数为4％。
优选的技术方案为：所述甲基含氢聚硅氧烷为符合通式A、和通式C的化合物按照1：1的质量比例构成的混合物：
[(CH 3) 2R 1SiO 1/2][(CH 3) 3SiO 2/2]       通式A；
R 1乙烯基三过氧化叔丁基。
[(CH 3) 3SiO 1/2] x(CH 3)R 1SiO 2/2] y[R 2SiO 3/2] m[SiO 4/2] n      通式C；
其中，x＝5，y＝0，m＝2，n＝5；
R 1乙烯基三过氧化叔丁基；R 2氢基。
优选的技术方案为：所述扩链剂为符合通式A化合物：
[HMe 2SiO 1/2][Me 2SiO 2/2] x[HSiO 3/2] y    通式B；
其中，x＝5，y＝10；
其中，Me为甲基，y/x＝2。
优选的实施方式为：所述发泡剂为N,N-二亚硝基五次甲基四胺。
优选的实施方式为：所述增粘剂符合结构通式YR nSiX 3-n的化合物中的至少一种；其中，Y代表巯基；R代表亚丁基，X代表-OCOCH 3，n＝1。
优选的实施方式为：所述炔醇抑制剂为1-乙炔基-1-环己醇。
优选的实施方式为：所述消毒杀菌剂为二氯萘醌。
优选的实施方式为：所述抗结构化剂为二苯基硅二醇
优选的实施方式为：所述弱补强剂为沉淀法白炭黑。
优选的实施方式为：所述匀泡剂为端烯丙基聚醚。
优选的实施方式为：所述铂金催化剂为聚硅氧烷络合物铂金催化剂，其中铂金属的浓度在75000ppm以内。
制备方法，所述口罩用有机硅多孔透气消毒杀菌纳米过滤材料的原料配方采用上述的原料配方；制备方法包后包括组分A的制备方法和组分B的制备方法；
组份A的制备方法包括：将发泡剂、炔醇类抑制剂和消毒杀菌剂在真空负压的条件下和在循环水冷却条件下分次搅拌分散在由甲基乙烯基聚硅氧烷、甲基含氢聚硅氧烷、扩链剂和增粘剂所组成的混合体系中，制成组份A；
组份B的制备方法包括：将弱补强剂、匀泡剂和铂金催化剂在真空负压的条件下分次搅拌分散在由甲基乙烯基聚硅氧烷和抗结构化剂所组成的混合体系中，制成组份B。
优选的实施方式为：所述真空负压为-0.08MPa；搅拌时的搅拌桨转速为15r/min；分散盘转速为1000r/min。
实施例三：一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料及制备方法
一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料，原料配方包括组份A和组份B：
所述组份A包括下列质量百分比的材料：
Figure PCTCN2020114662-appb-000006
Figure PCTCN2020114662-appb-000007
所述组份B包括下列质量百分比的材料：
Figure PCTCN2020114662-appb-000008
优选的实施方式为：所述甲基乙烯基聚硅氧烷为符合通式A的化合物：
[(CH 3) 2(CH 2＝CH)SiO 1/2] a[(CH 3) 3SiO 1/2] b[SiO 4/2] c   通式A；
其中，[(CH3)2(CH2＝CH)SiO1/2] a[CH3)3SiO1/2] b为M结构，[SiO4/2]c为Q结构，MQ值，即(a+b)/c]为0.5-1；在25℃时，运动粘度为5000cps，乙烯基官能团质量分数为0.2％。
优选的实施方式为：所述甲基含氢聚硅氧烷为符合通式A的化合物：
[(CH 3) 2R 1SiO 1/2][(CH 3) 3SiO 2/2]         通式A；
其中，R 1代表异丁基三乙氧基。
优选的实施方式为：所述扩链剂为符合通式A的化合物：
(HMe 2SiO 1/2) x(MeSiO 3/2) y       通式A；
其中，x＝2，y＝8；
其中，Me为甲基，y/x＝4。
优选的实施方式为：所述发泡剂为苯甲酸、二苯磺酰肼醚按照1：2的质量比例构成的混合物。
优选的实施方式为：所述增粘剂符合结构通式YR nSiX 3-n的化合物中的至少一种；其中，Y代表乙烯基；R代表亚丙基，X代表Cl，n＝1。
优选的实施方式为：所述炔醇抑制剂为3-(三甲基硅基)丙炔醇、1-乙炔基-1-环己醇和1-乙炔基环己醇按照1：2：2的质量比例构成的混合物。
优选的实施方式为：所述消毒杀菌剂为纳米银、对羟基苯甲酸酯和苯酚按照1：1：5的质量比例构成的混合物。
优选的实施方式为：所述抗结构化剂为二苯基硅二醇、六甲基二硅氨烷按照1：1的质量比例构成的混合物。
优选的实施方式为：所述弱补强剂为气相法白炭黑或沉淀法白炭黑按照1：5的质量比例构成的混合物。
优选的实施方式为：所述匀泡剂为羟乙基纤维素、端烯丙基聚醚、甲基纤维素醚按照1：1：3的质量比例构成的混合物。
优选的实施方式为：所述铂金催化剂为氯铂酸-醇，其中铂金属的浓度在100000ppm以内。氯铂酸用异丙醇或乙醇溶解，得到氯铂酸的醇溶液，即为氯铂酸-醇。
为实现上述目的及其他相关目的，本发明提供的技术方案是：一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料的制备方法，所述口罩用有机硅多孔透气消毒杀菌纳米过滤材料的原料配方采用上述的原料配方；制备方法包后包括组分A的制备方法和组分B的制备方法；
组份A的制备方法包括：将发泡剂、炔醇类抑制剂和消毒杀菌剂在真空负压的条件下和在循环水冷却条件下分次搅拌分散在由甲基乙烯基聚硅氧烷、甲基含氢聚硅氧烷、扩链剂和增粘剂所组成的混合体系中，制成组份A；
组份B的制备方法包括：将弱补强剂、匀泡剂和铂金催化剂在真空负压的条件下分次搅拌分散在由甲基乙烯基聚硅氧烷和抗结构化剂所组成的混合体系中，制成组份B。
优选的实施方式为：所述真空负压为-0.09MPa；搅拌时的搅拌桨转速为50r/min；分散盘转速为1500r/min。
实施例四：一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料及制备方法
一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料，原料配方包括组份A和组份B：
所述组份A包括下列质量百分比的材料：
Figure PCTCN2020114662-appb-000009
所述组份B包括下列质量百分比的材料：
Figure PCTCN2020114662-appb-000010
优选的技术方案为：所述甲基乙烯基聚硅氧烷为符合通式C和通式D的化合物按照1：2 的质量比例构成的混合物：
(ViMe 2SiO 1/2)(MeSiO 3/2) m      通式C；
其中，Me为甲基，Vi为乙烯基，m＝10；在25℃时，运动粘度为45000cps，乙烯基官能团质量分数为4.5％；
(ViMe 3SiO 1/2)2(Me 2SiO) n       通式D；
其中Me为甲基，Vi为乙烯基，n＝1000；在25℃时，运动粘度为900000cps，乙烯基官能团质量分数为3％。
优选的技术方案为：所述甲基含氢聚硅氧烷为符合通式B的化合物：
[(CH 3) 2R 1SiO 1/2][(CH 3) 2SiO 2/2] x[R 2SiO 3/2] y     通式B；
其中，x＝55，y＝5；
其中，R 1氢基，R 2乙烯基三过氧化叔丁基。
优选的技术方案为：所述扩链剂为符合通式B的化合物：
[HMe 2SiO 1/2][Me 2SiO 2/2] x[HSiO 3/2] y      通式B；
其中，x＝2，y＝4；
其中，Me为甲基，y/x＝2。
优选的技术方案为：所述发泡剂为偶氮二异丁腈。
优选的技术方案为：所述增粘剂符合结构通式YR nSiX 3-n的化合物中的至少一种；其中，Y代表氨基；R代表亚甲基，X代表-O-N＝CCH 2CH 3，n＝1。其中Y代表乙烯基、氨基、环氧基、甲基丙乙烯酰氧基或巯基，R代表亚烷基，X代表能够水解的基团，n＝0或1。亚烷基为碳原子数2～20的取代或非取代的亚烷基。
优选的技术方案为：所述炔醇抑制剂为1-乙炔基环己醇。
优选的技术方案为：所述消毒杀菌剂为稳定态二氧化氯固体粉末。
优选的技术方案为：所述抗结构化剂为六甲基二硅氨烷。
优选的技术方案为：所述弱补强剂为沉淀法白炭黑。
优选的技术方案为：所述匀泡剂为羟甲基甲基纤维素。
优选的技术方案为：所述铂金催化剂为氯铂酸-酮，其中铂金属的浓度在2000ppm。
为实现上述目的及其他相关目的，本发明提供的技术方案是：一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料的制备方法，所述口罩用有机硅多孔透气消毒杀菌纳米过滤材料的原料配方采用上述的原料配方；制备方法包后包括组分A的制备方法和组分B的制备方法；
组份A的制备方法包括：将发泡剂、炔醇类抑制剂和消毒杀菌剂在真空负压的条件下和在循环水冷却条件下分次搅拌分散在由甲基乙烯基聚硅氧烷、甲基含氢聚硅氧烷、扩链剂和增粘剂所组成的混合体系中，制成组份A；
组份B的制备方法包括：将弱补强剂、匀泡剂和铂金催化剂在真空负压的条件下分次搅拌分散在由甲基乙烯基聚硅氧烷和抗结构化剂所组成的混合体系中，制成组份B。
优选的技术方案为：所述真空负压为-0.08MPa；搅拌时的搅拌桨转速为15r/min；分散盘转速为1000r/min。
以上所述者仅为用以解释本发明之较佳实施例，并非企图具以对本发明做任何形式上之限制，是以，凡有在相同之发明精神下所作有关本发明之任何修饰或变更，皆仍应包括在本发明意图保护之范畴。

Claims (14)

  1. 一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料，其特征在于：原料配方包括组份A和组份B：
    所述组份A包括下列质量百分比的材料：
    Figure PCTCN2020114662-appb-100001
    所述组份B包括下列质量百分比的材料：
    Figure PCTCN2020114662-appb-100002
  2. 根据权利要求1所述的口罩用有机硅多孔透气消毒杀菌纳米过滤材料，其特征在于：所述甲基乙烯基聚硅氧烷为符合通式A、通式B、通式C和通式D的化合物中的至少一种：
    [(CH 3) 2(CH 2＝CH)SiO 1/2] a[(CH 3) 3SiO 1/2] b[SiO 4/2] c  通式A；
    其中，[(CH 3) 2(CH 2＝CH)SiO 1/2] a[CH 3) 3SiO 1/2] b为M结构，[SiO 4/2] c为Q结构，MQ值为0.5-1；在25℃时，运动粘度为5000-1000000cps，乙烯基官能团质量分数为0.1-1％；
    (ViMe 2SiO 1/2)(Me 2SiO) m(MeSiO 3/2) n  通式B；
    其中，Me为甲基，Vi为乙烯基；m/n＝1-5；在25℃时，运动粘度为1000-100000cps，乙烯基官能团质量分数为0.5-2％；
    (ViMe 2SiO 1/2)(MeSiO 3/2) m  通式C；
    其中，Me为甲基，Vi为乙烯基，m＝1-10；在25℃时，运动粘度为1000-50000cps，乙烯基官能团质量分数为0.05-5％；
    (ViMe 3SiO 1/2)2(Me 2SiO) n  通式D；
    其中Me为甲基，Vi为乙烯基，n＝10-1000；在25℃时，运动粘度为1000-1000000cps，乙烯基官能团质量分数为0.01-5％。
  3. 根据权利要求1所述的口罩用有机硅多孔透气消毒杀菌纳米过滤材料，其特征在于： 所述甲基含氢聚硅氧烷为符合通式A、通式B、通式C和通式D的化合物中的至少一种：
    [(CH 3) 2R 1SiO 1/2][(CH 3) 3SiO 2/2]  通式A；
    [(CH 3) 2R 1SiO 1/2][(CH 3) 2SiO 2/2] x[R 2SiO 3/2] y  通式B；
    其中，x＝1-5，y＝1-5；
    [(CH 3) 3SiO 1/2] x(CH 3)R 1SiO 2/2] y[R 2SiO 3/2] m[SiO 4/2] n  通式C；
    其中，x＝1-5，y＝0-5，m＝1-5，n＝0-5；
    [(CH 3) 2R 1SiO 1/2] x[(CH 3)R 2SiO 2/2] y[R 3SiO 3/2] m[SiO 4/2] n  通式D；
    其中，x＝1-5，y＝0-5，m＝1-5，n＝0-5；
    其中，R 1、R 2和R 3各自独立地代表异丁基三乙氧基、乙烯基三过氧化叔丁基、丁二烯基三乙氧基、氢基和含氢基活泼官能团。
  4. 根据权利要求1所述的口罩用有机硅多孔透气消毒杀菌纳米过滤材料，其特征在于：所述扩链剂为符合通式A和通式B的化合物中的至少一种：
    (HMe 2SiO 1/2) x(MeSiO 3/2) y  通式A；
    其中，x＝1～10，y＝1～10；
    [HMe 2SiO 1/2][Me 2SiO 2/2] x[HSiO 3/2] y  通式B；
    其中，x＝1～10，y＝1～10；
    其中，Me为甲基，y/x＝1～5。
  5. 根据权利要求1所述的口罩用有机硅多孔透气消毒杀菌纳米过滤材料，其特征在于：所述发泡剂为N,N-二亚硝基五次甲基四胺、苯甲酸、二苯磺酰肼醚、二偶氮氨基苯、对甲苯磺酰肼、偶氮二异丁腈、碳酸氢钠、氧化锌、碳酸氢铵和明矾中的至少一种。
  6. 根据权利要求1所述的口罩用有机硅多孔透气消毒杀菌纳米过滤材料，其特征在于：所述增粘剂符合结构通式YR nSiX 3-n的化合物中的至少一种；其中，Y代表乙烯基、氨基、环氧基、甲基丙乙烯酰氧基或巯基；R代表亚烷基，X代表能够水解的基团，n＝0或1。
  7. 根据权利要求1所述的口罩用有机硅多孔透气消毒杀菌纳米过滤材料，其特征在于：所述炔醇抑制剂为3-(三甲基硅基)丙炔醇、1-乙炔基-1-环己醇和1-乙炔基环己醇中的至少一种。
  8. 根据权利要求1所述的口罩用有机硅多孔透气消毒杀菌纳米过滤材料，其特征在于：所述消毒杀菌剂为纳米银、丙酸钙、对羟基苯甲酸酯、苯酚、氨基苯磺酸、二氯萘醌或稳定态二氧化氯固体粉末中的至少一种。
  9. 根据权利要求1所述的口罩用有机硅多孔透气消毒杀菌纳米过滤材料，其特征在于：所述抗结构化剂为二苯基硅二醇、六甲基二硅氨烷和羟基硅油中的至少一种。
  10. 根据权利要求1所述的口罩用有机硅多孔透气消毒杀菌纳米过滤材料，其特征在于： 所述弱补强剂为气相法白炭黑或沉淀法白炭黑中的至少一种。
  11. 根据权利要求1所述的口罩用有机硅多孔透气消毒杀菌纳米过滤材料，其特征在于：所述匀泡剂为羟乙基纤维素、羟甲基甲基纤维素、端烯丙基聚醚、甲基纤维素醚、羟内基甲基纤维素和二甲基硅油中的至少一种。
  12. 根据权利要求1所述的口罩用有机硅多孔透气消毒杀菌纳米过滤材料，其特征在于：所述铂金催化剂为卡斯特铂金催化剂、氯铂酸-酮、氯铂酸-烯、氯铂酸-酯、氯铂酸-醇、氯铂酸-醚或者聚硅氧烷络合物铂金催化剂中的至少一种，其中铂金属的浓度在500～100000ppm以内。
  13. 一种口罩用有机硅多孔透气消毒杀菌纳米过滤材料的制备方法，其特征在于：所述口罩用有机硅多孔透气消毒杀菌纳米过滤材料的原料配方采用权利要求1-13任一权利要求所述的原料配方；制备方法包后包括组分A的制备方法和组分B的制备方法；
    组份A的制备方法包括：将发泡剂、炔醇类抑制剂和消毒杀菌剂在真空负压的条件下和在循环水冷却条件下分次搅拌分散在由甲基乙烯基聚硅氧烷、甲基含氢聚硅氧烷、扩链剂和增粘剂所组成的混合体系中，制成组份A；
    组份B的制备方法包括：将弱补强剂、匀泡剂和铂金催化剂在真空负压的条件下分次搅拌分散在由甲基乙烯基聚硅氧烷和抗结构化剂所组成的混合体系中，制成组份B。
  14. 根据权利要求13所述的口罩用有机硅多孔透气消毒杀菌纳米过滤材料的制备方法，其特征在于：所述真空负压为-0.08～-0.1MPa；搅拌时的搅拌桨转速为15～70r/min；分散盘转速为1000～2000r/min。
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