WO2015014091A1 - 苯乙烯系树脂的新结构产品、制备方法及其用途 - Google Patents

苯乙烯系树脂的新结构产品、制备方法及其用途 Download PDF

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WO2015014091A1
WO2015014091A1 PCT/CN2014/000203 CN2014000203W WO2015014091A1 WO 2015014091 A1 WO2015014091 A1 WO 2015014091A1 CN 2014000203 W CN2014000203 W CN 2014000203W WO 2015014091 A1 WO2015014091 A1 WO 2015014091A1
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resin
catalyst
styrene
add
temperature
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PCT/CN2014/000203
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English (en)
French (fr)
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于杰
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Yu Jie
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00Chemical modification by after-treatment
    • C08F8/42Introducing metal atoms or metal-containing groups
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P13/00Drugs for disorders of the urinary system
    • A61P13/12Drugs for disorders of the urinary system of the kidneys
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P15/00Drugs for genital or sexual disorders; Contraceptives
    • A61P15/10Drugs for genital or sexual disorders; Contraceptives for impotence
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/18Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/30Drugs for disorders of the nervous system for treating abuse or dependence
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P27/00Drugs for disorders of the senses
    • A61P27/02Ophthalmic agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00Drugs for disorders of the metabolism
    • A61P3/06Antihyperlipidemics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04Antibacterial agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • A61P31/14Antivirals for RNA viruses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • A61P31/14Antivirals for RNA viruses
    • A61P31/18Antivirals for RNA viruses for HIV
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/12Antivirals
    • A61P31/20Antivirals for DNA viruses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00Drugs for immunological or allergic disorders
    • A61P37/02Immunomodulators
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P39/00General protective or antinoxious agents
    • A61P39/02Antidotes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P7/00Drugs for disorders of the blood or the extracellular fluid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00Drugs for disorders of the cardiovascular system
    • A61P9/12Antihypertensives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J39/00Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/08Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/16Organic material
    • B01J39/18Macromolecular compounds
    • B01J39/19Macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds

Definitions

  • the present invention relates to a styrenic resin, particularly a modified product comprising styrene-divinylbenzene, a styrene anion exchange resin, a process for the preparation of the product and use thereof.
  • styrene-based resins including styrene-divinylbenzene, styrene anion exchange resins and the like, have been widely used as adsorbents and ion exchangers.
  • An object of the present invention is to provide a technical solution for a novel structural product of a styrenic resin, a preparation method and use thereof.
  • the styrene resin including: styrene-divinylbenzene resin, and the structure of the styrene macroporous anion exchange resin and the gel type anion exchange resin, making it more suitable for use as a blood purification adsorbent New features for live blood purification and dynamic sampling from live blood. ' detailed description
  • the invention comprises three parts:
  • the first is: a new structural product of styrene resin, namely modified styrene-divinylbenzene macroporous adsorption resin, and a preparation method thereof.
  • the new structural product is a metal element X embedded in the carbon chain of the styrene-divinylbenzene resin skeleton of the network structure, and its structural formula is C-X-C; wherein C is a carbon element, and the X element may have a positive divalent or The above metal elements.
  • the embedded metal element X is a ferric iron element or a trivalent aluminum element, and its structural formula is C-Fe ⁇ C or C-A1-C; wherein the third valence of Fe or aluminum A1 is the active site Y; Sexual strength, the Y site can be element F (fluorine), or element C1 (chlorine), or element Br (bromine), or I (iodine); in the presence of 0H- (hydrogen), it can also be 0H-; or a functional group with a valence state.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the embedded metal element X may also be a divalent zinc element; or the metal element X is a divalent copper element.
  • the divalent zinc element or the divalent copper element has no Y site.
  • the preparation method of the new structural product of the styrene resin a method for preparing a modified styrene-divinylbenzene macroporous adsorption resin in which a metal element X is embedded in a skeleton; specifically, a large pore in styrene-divinylbenzene
  • the disulfide or liquid alcohol is used as a swelling agent
  • the metal element X compound solution is used as a catalyst
  • the resin is heated to the boiling point of the swelling agent, and then Adding the catalyst solution to continue to raise the temperature to the boiling point of the catalyst solution, and then adding NaOH; the solution is suddenly heated by several tens of degrees, so that the fully swollen resin is added to the reaction under the condition that the swelling liquid and the boiling point of the catalyst are tens of degrees and the boiling is intense.
  • the particles of the metal element X in the catalyst are embedded in the carbon chain of the resin skeleton almost instantaneously; the amount of the catalyst added is related to the amount of the metal element X embedded in the carbon chain, and is not limited by the intercalation reaction.
  • the first step. ⁇ The macroporous resin is soaked in the swelling agent to make it fully swell; the ratio of the resin to the swelling agent is the resin mass ratio swelling agent volume, ie K g /L, the ratio can be 1:3 Choose between 1:30; soak time can be selected between 12 hours and 120 hours;
  • Step 2 Filter the fully immersed resin off the free swelling solution, add to the reactor, and then add
  • the third step adding the catalyst again to increase the temperature, and continuing to stir; when the temperature rises to the boiling point of the catalyst, the addition is stopped;
  • Fourth ⁇ continue to stir while maintaining the temperature for about two hours, then add sodium hydroxide (NaOH).
  • NaOH sodium hydroxide
  • Step 5 Rinse the reacted resin.
  • a ferric chloride solvent or an aluminum trichloride solvent is used as a catalyst;
  • the metal element X is a metal element iron or a metal element aluminum.
  • the resin skeleton obtained by using the ferric chloride catalyst is embedded with iron, and the resin is red or dark red; in the case of excess sodium hydroxide, the resin is also black.
  • copper chloride or a zinc chloride solvent may be used as a catalyst.
  • the copper and zinc elements have no Y sites in the resin backbone.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the preparation method of the new structural product of the above styrene resin may also be:
  • the third step adding the catalyst containing the trivalent metal element again until the temperature rises to ere
  • the fourth step continue to stir, the time is two hours, and then add sodium hydroxide (NaOH), at 5 ° C, add edible iodized salt and / or sugar to stop boiling, the amount of the catalyst is 0.5 to 1.5 times;
  • NaOH sodium hydroxide
  • the temperature of the reactants suddenly rises again.
  • the temperature rises to 13 CTC the addition of sodium hydroxide is stopped, water is added to cool, and the reaction material is discharged from the bottom of the reaction vessel;
  • Step 5 Rinse the reacted resin.
  • the Y site of the metal element in the resin prepared by this method can be occupied by I (iodine), monosaccharide, monosaccharide chain and 0H-root, and the present invention has a strong polarity and affinity for water.
  • the novel structural product of the styrene resin according to the second part of the present invention is a modified styrene anion exchange resin, comprising a modified macroporous anion exchange resin, and a modified gel type anion exchange resin, and a preparation method thereof .
  • the metal element X is embedded in the carbon chain of the styrene anion exchange resin skeleton of the network structure, and has a structural formula of C-X-C; wherein the X element may be a metal element having a positive divalent or higher.
  • the embedded metal element X is a ferric iron element, or a trivalent aluminum element, and its structural formula is C-Fe C, or C-Al- C; wherein the third valence of iron Fe or aluminum A1 is the active site Y; The activity is strong and weak, and the Y site may be element F (fluorine), or element C1 (chlorine), or element Br (bromine), or element I (iodine); in the presence of 0H-(hydroxide), It can also be 0H-; or a functional group with a paired valence state.
  • the embedded metal element X may also be a divalent zinc element; or a divalent copper element. Its structural formula is: C-Zn-C, or: C-Cu- (: Zinc and copper have no Y site in the skeleton.
  • a method for preparing a modified styrene-based macroporous anion exchange resin in which a metal element X is embedded in a skeleton - the method is similar to the above-described method of embedding a metal element X in a styrene-divinylbenzene resin skeleton.
  • dichloroacetic acid or liquid alcohol is used as a swelling agent, and a metal element X compound solution is used as a catalyst; heating is performed under conditions of sufficient swelling to raise the temperature to a swelling agent.
  • the first step the resin is immersed in the swelling agent to fully swell;
  • the ratio of the resin to the swelling agent is the resin mass ratio swelling agent volume, that is, Kg / L, the ratio can be 1: 6 to (j 1 : Choice between 60: Soaking time can be selected between 8 hours and 120 hours;
  • Step 2 Filter the free swelling solution from the fully soaked resin, add it to the reactor, add 1/2 soaked resin volume of new swelling liquid, stir evenly and then warm to raise the temperature to the swelling agent. The boiling point, adding the catalyst, and maintaining the boiling temperature of the swelling agent, stirring is continued for two hours;
  • the third step adding the catalyst solution again, raising the temperature to the boiling point of the catalyst, and continuing to stir for about two hours;
  • the fourth step then adding sodium hydroxide (NaOH), the reactants suddenly heat up, until the temperature rises above the boiling point of the catalyst 25-35 ⁇ , stop adding sodium hydroxide, and quickly cool;
  • Step 5 Rinse the reacted resin.
  • a ferric chloride solvent or an aluminum trichloride solution may be used as the catalyst in the above method. It is also possible to use a zinc chloride solution or a copper chloride solvent as a catalyst.
  • dichloroethane or liquid alcohol is used as a resin swelling agent, and ferric chloride or aluminum trichloride solvent is used as a catalyst; 5 ⁇ 1. 5 ⁇ 5 times. 5 times. 5 times. ;
  • Step 4 Continue stirring for two hours, then add sodium hydroxide (NaOH), the temperature of the reaction suddenly rises, stop adding sodium hydroxide when the temperature rises about 30 degrees, add water to cool, and the reactants Released from the bottom of the reaction vessel;
  • NaOH sodium hydroxide
  • Step 5 The resin after the reaction is rinsed off.
  • the resin obtained by using the ferric chloride solvent as a catalyst is red and dark red; when the sodium hydroxide is excessive, it may be black.
  • the Y site of the metal element in the resin prepared by this method can be occupied by I (iodine), monosaccharide, monosaccharide chain and 0H-root, and the present invention has a strong polarity and affinity for water.
  • Preparation method of embedding metal element X in styrene gel type anion exchange resin skeleton In the post-crosslinking reaction process of styrene gel type anion exchange resin, dichloroethane or liquid alcohol is used as a swelling agent, The metal element iron compound or the metal element aluminum compound as a catalyst can be used in the form of a solution.
  • the first step the swelling agent fully swells the resin at normal temperature, and the ratio of the amount of the resin to the swelling agent is the mass of the resin: the volume of the swelling agent, that is, the ratio of Kg/L, the ratio may be 1:6 to 1:60; soaking The time can be from 8 hours to 120 hours;
  • the second step the swelling agent is heated to the boiling point, the catalyst is added, and after maintaining the temperature for four hours, sodium hydroxide (NaOH) is added to cause the resin to suddenly heat up to 92 to 96 Torr to generate intense boiling, and the metal element X is heated and the boiling process is intense.
  • NaOH sodium hydroxide
  • water is added to cool down to normal temperature.
  • the added catalyst accounts for 1/10 of the swelling resin and is thoroughly mixed.
  • the heating is stopped, the temperature is maintained for four hours, and then 20% by volume of the resin reactant is added to make the resin.
  • the temperature rises to a vigorous boiling of the reactants (about 92 to % C) the edible iodized salt which accounts for 20% of the volume of the resin reactant and/or the sugar which accounts for 20% of the volume of the resin reactant is quickly added, and the boiling, cooling, and reaction are quickly stopped. Released in the device.
  • the Y site of the metal element in the resin prepared by this method can be occupied by I (iodine), monosaccharide chain and 0H-root, and the present invention has a strong polarity and affinity for water.
  • a copper chloride solution or a zinc chloride solution may also be used as a reminder.
  • the embedded metal element X is a divalent zinc element; or a divalent copper element. Its structural formula is: C-Zn-C, or: C-Cu-C. Zinc and copper have no Y sites in the resin backbone.
  • the styrene-based anion exchange resin tends to disappear after the modification by the method of the present invention, and the polar adsorption property is produced and remarkable. Upgrade.
  • the gel-type resin produced pores during the modification process, and the specific surface area of the gel-type resin after modification in the actual test could reach 1900 m7 gram.
  • the third part of the invention is the use of a new structural product of styrene resin:
  • the styrene-based new structural resin used may have a pore size ranging from 0 to 200, and the pore volume and specific surface area are not limited; the Y site of the trivalent metal element embedded in the skeleton is 0H-occupied and/or
  • the sugar ring chain occupies and/or is occupied by a functional group having a paravalent valence state, and is used as a medical adsorbent for a blood perfusion device; or as an oral resin adsorbent; or as a living blood.
  • the resin pore size is prepared during the polymerization of the resin and is related to the porogen material employed.
  • the method of the present invention has an expanding effect on the pore diameter of the resin when the metal catalyst participates in the intercalation reaction.
  • the gel-type anion resin originally has no pores, but pores are generated during the reaction, and pores having a specific surface area of 1900 m 2 /g are formed by treatment.
  • the new structural products of medical styrene resin can be distinguished according to the pore diameter range as follows:
  • the styrene-based new structural resin has a pore diameter of 0-20, wherein the resin having a particle diameter of 5-20 nm is not lower than
  • the styrene-based new structural resin has a pore diameter of 0 to 40 nm, and a resin having a particle diameter of 20 to 40 nm is not less than 60%.
  • the styrene-based new structural resin has a pore diameter of 0 to 60 nm, and a resin having a particle diameter of 40 to 60 nm is not less than 60%.
  • the styrene-based new structural resin has a pore size of 0-80 ⁇ , wherein the resin having a particle diameter of 60-80 nm is not low. At 60%.
  • the styrene-based new structural resin used has a pore diameter of 0 to 100, and a resin having a particle diameter of 80 to 100 nm is not less than 60%.
  • the styrene-based new structural resin has a pore diameter of 0 to 140 rai, and a resin having a particle diameter of 100 to 140 nm is not less than 60%.
  • the styrene-based new structural resin has a pore diameter of 0 to 200 nm, and a resin having a particle diameter of 140 to 200 is not less than 60 ° /. .
  • the blood perfusion device When used in a blood perfusion device as an adsorbent, the blood perfusion device can be filled according to the valence property and particle size of the adsorbed pathogenic factor, and the resin having the opposite valence functional group and the applicable pore size can be filled; The resin is filled in a pore size range, and the blood perfusion device is classified according to the resin pore size of the built-in resin and the material valence attribute of the Y site;
  • the resin having a large pore diameter is filled in the upstream position; the layer is mixed and filled into the potter according to the order of the pore diameters, and the elements or functional groups occupying the Y point have Classification of the stratification of material valence.
  • the functional group of different valence substances and the resin of different pore diameters of the Y site are respectively loaded into the sampling device.
  • the sampling device is constructed similarly to a blood perfusion device and is used in the same manner.
  • the sampler is removed from the extracorporeal circulation system, and the living substance adsorbed in the sampler resin is eluted by washing. Since the resin of the present invention separates and extracts the molecular substance in the blood by the principle of physical adsorption, the living substance adsorbed on the pores of the resin and the surface of the resin can maintain its life activity in a nutritious environment for a long time, providing for life science research. An important technical means.
  • the pore diameter of the resin starts from “0", and the pore diameter is "0". That is, the resin particles have no pores.
  • the gap between the resin particles can also be regarded as "aperture”, then the "aperture” can not even measure the specific data, it may be large, larger than the resin particles The aperture that can be.
  • pore volume and "specific surface area” in the above-mentioned use examples. Because for macroporous adsorption resins, the primary condition that restricts the adsorption of adsorbed species into the pores of the resin is the pore size. After the pore size is determined, the pore volume and specific surface area are proportional to the resin adsorption rate, respectively. The proportional relationship between the adsorption rate and the pore diameter, pore volume and specific surface area is more statistically significant and does not have the significance of the breakthrough technical invention of the present invention.
  • the novel structural product of the styrene resin of the present invention is used in a blood perfusion device and a sampler as an adsorbent, and due to the presence of the active site Y, it can adsorb various pathogenic factors in the blood by its polar adsorption function.
  • the Y point can be occupied by a monosaccharide chain, various pathogenic factors having sugar molecules and glycoprotein molecules on the surface can be attached and entangled by affinity; this polar adsorption and affinity entanglement Under certain circumstances, it will also cause impact or paste tear on the virus cell shell, so that the pathogenic factors in the cell, such as small and medium-sized viral factors, viral RNA, etc., are sprayed from the cells into the peripheral blood, which happens to be The large, medium and small pore diameters of the adsorbent resin and the resin surface are accommodated.
  • the effect of the active site Y point of the resin material of the present invention is that the Y point can be occupied by a molecular functional group having a desired function by corresponding modification, thereby preparing a targeted adsorption of various pathogenic factors.
  • Adsorption resin provides a technical platform.
  • the characteristic structure of the resin of the present invention includes: a dominant polarity of the Y point on the skeleton, and a particle-level film formed by a monosaccharide ring chain occupying the Y point, and a cellulose envelope wrapped around the surface of the resin ball.
  • various types of medical adsorption resins can be prepared in a targeted manner, and are applicable to the following types of diseases: 1. AIDS, the acquired immunodeficiency syndrome; Human immunodeficiency virus is a RA virus, including: human immunodeficiency type 1 (HIV-1) and human immunodeficiency virus type 2 (HIV-2).
  • AIDS the acquired immunodeficiency syndrome
  • Human immunodeficiency virus is a RA virus, including: human immunodeficiency type 1 (HIV-1) and human immunodeficiency virus type 2 (HIV-2).
  • HIV-1 is a round particle with a diameter of about l lOmi with an outer membrane glycoprotein (Env) on the outer membrane.
  • the HIV-1 viral genome is about 10 kb long and has an RNA sequence called a long terminal repeat (LTR) at both ends, which is about 634 bp long.
  • LTR long terminal repeat
  • the novel structural resin adsorbent of the invention has a good adsorption effect on the viral factors in each stage during the replication and recombination of the HIV-1 virus, can block the protein virus transfer, and adsorb and remove a large number of progeny produced in the peripheral blood.
  • the virus prevents the rapid development of the virus, which in turn causes the remaining viral factors to fend for themselves during their life cycle.
  • the ultrastructure and cellular tropism of HIV-2 is similar to that of HIV-1.
  • the resin adsorbent of the present invention can also adsorb and scavenge HIV-2 infected viruses and block waterfall-type inflammatory factor outbreaks.
  • the resin adsorbent of the present invention has an adsorption action on viral particles of viral liver disease and non-viral liver disease.
  • Hepatitis A virus is an RNA virus belonging to the family of picornaviruses. It is a spherical particle with a diameter of about 27 nm. It consists of 32 shell particles composed of a symmetric 20-faced nucleocapsid containing linear single-stranded RNA. . The viral substance is in the range of adsorption of the resin of the present invention.
  • Hepatitis B virus It is a DNA virus belonging to the hepadnavividae, a spherical particle with a diameter of 42 legs.
  • the small spherical particles and the tubular particles are all innovative virus coats containing surface antigens; the large spherical particles are virus particles, both solid and hollow, and the hollow particles lack nucleic acids.
  • the application range of the three kinds of particles in the adsorption of the adsorbent of the present invention are all essential virus coats containing surface antigens; the large spherical particles are virus particles, both solid and hollow, and the hollow particles lack nucleic acids.
  • the resin of the invention has an adsorption-adjusting effect on antigen-antibody:
  • HBsAg Hepatitis B surface antigen
  • anti-HBs HBsAg
  • HBcAg Hepatitis B core antigen
  • anti-HBc Hepatitis B core antigen
  • All three antigen antibodies are within the range of adsorption of the resin of the present invention.
  • the resin of the present invention has an affinity and specific adsorption effect on hepatitis C virus (HCV); hepatitis C virus (HCV) is an RNA virus having a lipid outer shell, having a diameter of 50-60 nm, and its genome It is a 10 kb single-stranded RNA molecule.
  • HCV hepatitis C virus
  • the resin of the present invention has affinity and specific adsorption to hepatitis D virus (HDV):
  • Hepatitis D virus (HDV) is a defective hepatic single-stranded RNA virus that requires HBV assistance. Replication, so HDV is now HBV simultaneous or overlapping infection.
  • HDV is a small spherical particle with a diameter of 35-37 nm. Its outer shell is HBsAg, and the inside is composed of HDAg and a 1.7 kb RM molecule.
  • the resin of the present invention has an affinity and specific adsorption effect on hepatitis E virus (HEV): Hepatitis E virus (HEV) is a small RNA virus having a diameter of 27 to 34 faces.
  • the resin of the invention has affinity and specific adsorption to hepatitis G virus (HGV):
  • the resin of the present invention has an adsorption effect on an inflammatory factor which causes an increase in blood pressure in a patient.
  • Hypertension is divided into: a primary, b secondary, c viral and other causes of hypertension, are associated with the role of excessive inflammatory factors.
  • the inflammatory factor of hypertension is a small and medium molecule, and belongs to the range of application of the resin adsorption of the present invention.
  • Hyperinsulinemia is a condition caused by excess insulin.
  • the resin of the invention has obvious polar adsorption effect on excess insulin molecules in the patient, and regulates the insulin content in the body, and can be used for treating hyperinsulinemia.
  • GFR glomerular filtration rate Due to the accumulation of molecular toxicants such as ⁇ 2 microglobulin, the incidence of dialysis-related amyloidosis, renal osteodystrophy, and secondary hyperparathyroidism increases, resulting in various complications, hospitalization rate, and mortality. It also increases.
  • the resin of the invention has the function of adsorbing excess ⁇ 2 -microglobulin, can block the synthesis of ⁇ 2 -microglobulin in vivo, and remove excess molecular toxic substances represented by ⁇ 2 -microglobulin, which can improve uremia,
  • ⁇ 2 -microglobulin The life environment of patients with diseases such as liver disease, lupus erythematosus and malignant tumors improves the quality of life of patients.
  • the resin of the invention has an adsorption effect on the toxic neuropeptide molecules in the peripheral blood, and can enable the patient to quickly cross the withdrawal reaction period within tens of minutes, and get rid of the physical dependence on the addictive drugs.
  • the adsorption of the toxic neuropeptides by the resin of the present invention can also be applied to the rescue of patients with acute drug poisoning, and clinically validated cases.
  • the adsorption of the neuropeptides by the resin of the present invention can also be used to treat psychiatric patients, and clinically validated cases have been obtained.
  • Hypertriglyceridemia is a heterogeneous triglyceride protein synthesis or degradation disorder. HTG refers to triglycerides in the blood in excess of chylomicrons and pre-beta-lipoproteins, which are strongly related to the formation of atherosclerosis. Known as the "silent killer”.
  • the resin of the present invention can adsorb excess chylomicron and ⁇ -lipoprotein in the blood of patients with hypertriglyceridemia (HTG), and alleviate or even cure HTG patients.
  • HTG hypertriglyceridemia
  • Hypercholesterolemia refers to a high concentration of plasma cholesterol in the blood of a patient.
  • One third of plasma total cholesterol is present in free form, and two thirds is cholesterol ester bound to fatty acids.
  • Plasma cholesterol is mainly synthesized by the liver and small intestine. In China, the number of healthy young adults is 1400 ⁇ 1600 mg / liter, and the elderly are no more than 2000 mg / liter, which is lower than that of Europeans and Americans. If more than 2500 mg / liter should be treated.
  • the resin adsorbent of the invention has an adsorption effect on plasma cholesterol, can adsorb and remove excess plasma cholesterol in the body, and alleviate or even cure hypercholesterolemia.
  • the adsorption of the resin of the present invention can be moderately adjusted in the plasma concentration of various types of lipoproteins, including high and low density lipoproteins, present in the peripheral blood in the environmental equilibrium order established by the "competitive adsorption" rule. Thereby alleviating and curing hyperlipoproteinemia.
  • the resin of the present invention has a good balanced adsorption effect on excess lipids in patients with metabolic syndrome.
  • the average rate of triglyceride decline of the patient is not less than 50%
  • the average rate of decrease of insulin of hyperinsulinemia is not less than 60%
  • the rate of decrease of LDL is not low.
  • the average rate of decline of VLDL is not less than 55%
  • the rate of decline of total cholesterol is not less than 35%.
  • the rate of angiotensin decline in patients with hypertensive metabolic syndrome is not less than 30%, which can regulate blood pressure in patients with metabolic syndrome.
  • the resin of the invention can effectively remove excess medium and macromolecular poisons in the patient body, and the virus ⁇ - ⁇ of the medium molecule and the medium and large molecule has achieved good effect in clinical verification, and rescues the virus-induced burst.
  • sexually transmitted diseases ⁇ 1 ⁇ 1, ⁇ 7 ⁇ 9, SARS
  • SARS spontaneously transmitted diseases
  • the resin of the present invention has an adsorption effect on interleukins 1, 6, and 18 in the blood of patients with uveitis, which can alleviate or even cure uveitis disease.
  • the resin of the present invention has a good clearance and adsorption effect on small molecules, medium molecules and macromolecular pathogenic factors in the blood of patients with crush syndrome including high endotoxemia and sepsis. It can effectively rescue, relieve and cure patients with crush syndrome and sepsis.
  • the resin of the present invention has a targeted adsorption-clearing effect on excess inflammatory factors in the blood: interleukin, tumor necrosis factor, parathyroid hormone, endothelin, renin, angiotensin, and high insulin.
  • the resin of the present invention has an adsorption effect on a new virulence factor which destroys the balance of the nervous system and hinders the normal conduction of nerves, and has the effect of alleviating and curing sexual dysfunction and impotence in the course of clinical use, and the mechanism remains to be studied. .
  • the resin of the invention can adsorb pathogenic factors of various sexually transmitted diseases, including bacteria and viruses; in the process of clinical verification, the effects of gonorrhea, condyloma acuminata, syphilis and the like have alleviated and cured.
  • the resin of the present invention is used as a living substance sampling agent, and the method of use thereof is the same as that used as a blood purification adsorbent in a blood perfusion device, and provides a simple and effective sampling technique for life science research.
  • the novel structure product of the styrene resin of the present invention is used as an adsorbent in a blood perfusion device, and the adsorption effect is superior to that of the prior art resin adsorbent, and the application range is wider, which has been verified in the test.
  • the present invention provides significant advances over prior art resin adsorbents.
  • the blood perfusion device and oral sorbent using the material of the invention have been included in the support technology of the national 863 key projects, and have been included in the national scientific think tank.

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Abstract

本发明提出对苯乙烯系树脂的新结构产品、制备方法及其用途的技术方案。通过改变苯乙烯系树脂,包括:苯乙烯-二乙烯苯树脂,以及苯乙烯系大孔型阴离子交换树脂和凝胶型阴离子交换树脂的物质结构,具体是在苯乙烯系树脂骨架中嵌入金属元素X,使之具有更为适合用作血液净化吸附剂的新功能。

Description

苯乙烯系树脂的新结构产品、 制备方法及其用途 技术领域
本发明涉及苯乙烯系树脂, 特别是包括苯乙烯-二乙烯苯、 苯乙烯阴离子交换 树脂的改性产品, 该产品的制备方法及其应用。
背景技术
现有技术中苯乙烯系树脂, 包括苯乙烯-二乙烯苯, 苯乙烯阴离子交换树脂等 作为吸附剂和离子交换剂, 已得到广泛的应用。
使用金属化合物例如 FeC13 作为苯乙烯系树脂后交联反应的催化剂已经是常 规技术。 然而, 迄今为止现有技术中所有对苯乙烯系树脂进行功能性改性或者修 饰, 都没有涉及到对树脂的碳链骨架的构成物质或元素进行改进, 也没有关于催 化剂在参与后交联反应之后进入树脂结构内的报道。 在现有技术的报道中, 在后 交联反应中, 通常使用洗涤溶剂将后交联反应催化剂彻底除去。
在医用树脂吸附剂应用领域, 现代医学已经对 "致病因子"有系统的研究成 果。 而采用血液净化疗法从体外周血中清除 "致病因子"是一种简便有效的途径。 以清除 "致病因子"为目的, 研制新结构吸附剂物质已经提到日程上。
在生命科学研究中, 缺少一种简便有效的活体动态取样技术手段, 以从生物 活体血液中动态提取活性分子物质样品。
发明内容
本发明的目的是提出对苯乙烯系树脂的新结构产品、 制备方法及其用途的技 术方案。 通过改变苯乙烯系树脂, 包括: 苯乙烯 -二乙烯苯树脂, 以及苯乙烯系大 孔型阴离子交换树脂和凝胶型阴离子交换树脂的物质结构, 使之具有更为适合用 作血液净化吸附剂的新功能, 可用于活体血液净化和从活体血液中动态取样。 ' 具体实施方式
本发明包括三部分内容:
首先是:苯乙烯系树脂的新结构产品,即改性苯乙烯 -二乙烯苯大孔吸附树脂, 及其制备方法。
该新结构产品是在网状结构的苯乙烯-二乙烯苯树脂骨架的碳链上嵌入金属 元素 X, 其结构式为 C- X- C; 其中 C为碳元素, X元素可以是具有正二价或以上的 金属元素。 实施例之一:
嵌入的金属元素 X是三价铁元素或者三价铝元素, 其结构式为 C- Fe~C或者 C-A1-C; 其中 Fe或者铝 A1的第三价位是活性位点 Y; 根据元素的活泼性强弱, Y 位点依次可以是元素 F (氟) 、 或者元素 C1 (氯) 、 或者元素 Br (溴) 、 或者 I (碘); 在存在 0H- (氢氧根) 时, 也可以是 0H-; 或者是具有对位价态的功能团。
实施例之二:
嵌入的金属元素 X也可以是二价锌元素; 或者所述的金属元素 X是二价铜元 素。
二价锌元素或者二价铜元素没有 Y位点。
该苯乙烯系树脂的新结构产品的制备方法:是在骨架中嵌入金属元素 X的改性 苯乙烯 -二乙烯苯大孔吸附树脂的制备方法; 具体是, 在苯乙烯-二乙烯苯大孔吸 附树脂后交联反应过程中, 采用二氯乙烷或者液态醇类做溶胀剂, 采用金属元素 X 化合物溶液作为催化剂; 在充分溶胀的条件下, 加温使树脂升温至溶胀剂的沸点, 再加入催化剂溶液继续升温至催化剂溶液的沸点, 再加入 NaOH; 溶液骤然升温数 十度, 使充分溶胀的树脂在超过溶胀液及催化剂沸点数十度温度而激烈沸腾的条 件下, 催化剂加入反应, 在反应过程中几乎就在瞬间使催化剂中金属元素 X的粒 子嵌入到树脂骨架的碳链中; 催化剂的加入量与嵌入碳链中金属元素 X的量有关, 不受嵌入反应的限制。
实施例之三:
在苯乙烯-二乙烯苯大孔吸附树脂后交联反应过程中, 采用二氯乙烷或者液态 醇做树脂溶胀剂, 采用金属元素 X化合物溶液作为催化剂;
第一步. · 将大孔树脂放入溶胀剂中浸泡, 使其充分溶胀; 树脂与溶胀剂加入 量之比为树脂质量比溶胀剂体积、 即 Kg/L, 其比例可以在 1 : 3到 1 : 30之间选择; 浸泡时间可以在 12小时到 120小时之间选择;
第二步: 将经过充分浸泡的树脂滤掉游离的溶胀液, 加入反应器中, 再加入
1/2浸泡过的树脂体积的新溶胀液, 搅拌均匀后升温至溶胀液沸点,加入催化剂使 温度保持在溶胀剂沸点, 继续搅拌, 保持两小时;
第三步: 再次加入催化剂使温度升高, 继续搅拌; 当温度升高至催化剂沸点 时, 停止加入;
第四歩:继续搅拌,同时保持温度,时间约两小时,而后加入氢氧化钠(NaOH) , 反应物温度骤然升高, 至温度升高到高出催化剂沸点 25- 35°C时停止加入氢氧化 钠, 加入水冷却, 并将反应物质从反应容器底部放出, 继续冷却。
第五步: 将反应后的树脂冲洗干净。
上述后交联反应过程中, 采用三氯化铁溶剂或者三氯化铝溶剂作为催化剂; 所述的金属元素 X是金属元素铁, 或者是金属元素铝。 采用三氯化铁催化剂所制 得的树脂骨架中嵌入铁元素, 树脂为红色或者暗红色; 在氢氧化钠过量的情况下, 树脂也会是黑色。
上述后交联反应过程中, 还可采用氯化铜或者采用氯化锌溶剂作为催化剂。 铜和锌元素在树脂骨架中没有 Y位点。
实施例之四:
上述苯乙烯系树脂的新结构产品制备方法还可以是:
其第三步: 再次加入含有三价金属元素的催化剂至温度瞬间升高到 ere士
5°C时为止, 加入食用碘盐和 /或食糖止沸, 加入量为催化剂的 0. 5到 1. 5倍; 第四步: 继续搅拌, 时间两小时, 而后加入氢氧化钠 (NaOH) , 反应物温度 再次骤然升高, 至温度升高时到 13CTC时停止加入氢氧化钠, 加入水冷却, 并将反 应物质从反应容器底部放出;
第五步: 将反应后的树脂冲洗干净。
此方法制备的树脂中金属元素的 Y位点可以由 I (碘) 、 单糖、 单糖环链和 0H -根占据, 表现有较强的极性和对水的亲和性。
本发明第二部分内容的苯乙烯系树脂的新结构产品, 是改性苯乙烯系阴离子 交换树脂, 包括改性大孔型阴离子交换树脂, 和改性凝胶型阴离子交换树脂, 及 其制备方法。
在网状结构的苯乙烯阴离子交换树脂骨架的碳链上嵌入金属元素 X,其结构式 为 C-X- C; 其中 X元素可以是具有正二价或以上的金属元素。
实施例之五:
嵌入的金属元素 X是三价铁元素, 或者三价铝元素, 其结构式为 C- Fe C, 或 者 C- Al- C; 其中铁 Fe或者铝 A1的第三价位是活性位点 Y; 根据元素的活泼性强 弱, Y位点依次可以是元素 F (氟) 、 或者元素 C1 (氯) 、 或者元素 Br (溴) 、 或者元素 I (碘) ; 在存在 0H- (氢氧根) 时, 也可以是 0H-; 或者是具有配对价 态的功能团。 实施例之六. - 嵌入的金属元素 X也可以是二价锌元素; 或者是二价铜元素。 其结构式为: C-Zn-C, 或者: C- Cu- (:。 锌和铜在骨架中没有 Y位点。
在骨架中嵌入金属元素 X的改性苯乙烯系大孔型阴离子交换树脂的制备方法- 该方法与前述在苯乙烯-二乙烯苯树脂骨架中嵌入金属元素 X的方法类似。 具 体是, 在树脂后交联反应过程中, 采用二氯乙垸或者液态醇类做溶胀剂, 采用金 属元素 X化合物溶液作为催化剂; 在充分溶胀的条件下加温, 使温度升高到溶胀 剂沸点, 保持温度, 加入催化剂, 继而升温至催化剂溶液的沸点, 再加入 NaOH, 使温度骤然上升 25- 35°C,使充分溶胀的树脂处于超过其溶液沸点数十度温度时与 催化剂反应, 在反应过程中几乎就在瞬间使金属元素 X的粒子嵌入到树脂骨架的 碳链中。
实施例之七:
本实施例与苯乙烯-二乙烯苯改性方法有些许区别之处, 是在大孔型阴离子交 换树脂后交联反应过程中:
第一步: 将树脂放入溶胀剂中浸泡, 使其充分溶胀; 树脂与溶胀剂加入量之 比为树脂质量比溶胀剂体积、 即 Kg/L,其比例可以在 1 : 6至 (j 1 : 60之间选择: 浸泡 时间可以在 8小时到 120小时之间选择;
第二步: 将经过充分浸泡的树脂滤掉游离的溶胀液, 加入反应器中, 再加入 1/2浸泡过的树脂体积的新溶胀液, 搅拌均匀后加温, 使温度升高至溶胀剂沸点, 加入催化剂, 并保持在溶胀剂沸点温度继续搅拌, 保持两小时;
第三步: 再次加入催化剂溶液, 使温度升高至催化剂沸点时为止, 继续搅拌 约两小时;
第四步: 而后加入氢氧化钠 (NaOH ) , 反应物骤然升温, 至温度升高到高出 催化剂沸点 25- 35Ό时停止加入氢氧化钠, 并迅即冷却;
第五步: 将反应后的树脂冲洗干净。
上述方法中可以采用三氯化铁溶剂或者三氯化铝溶液作为催化剂。 也可以采 用氯化锌溶液或氯化铜溶剂作为催化剂。
实施例之八:
在上述后交联反应过程中, 采用二氯乙烷或液态醇做树脂溶胀剂, 采用三氯 化铁或三氯化铝溶剂作为催化剂; 00203 其第三步: 再次加入催化剂至温度升高到溶胀剂沸点时为止, 继续搅拌; 保 持温度并加入食用碘盐和 /或食糖止沸, 加入量为催化剂的 0. 5到 1. 5倍;
第四步: 继续搅拌, 时间两小时, 而后加入氢氧化钠 (NaOH) , 反应物温度 骤然升高, 至温度升高约三十度时停止加入氢氧化钠, 加入水冷却, 并将反应物 从反应容器底部放出;
第五步: 将反应后的树脂冲洗干净, 采用三氯化铁溶剂做催化剂得到的树脂 是红的、 暗红色; 在氢氧化钠过量时, 可以是黑色。
此方法制备的树脂中金属元素的 Y位点可以由 I (碘) 、 单糖、 单糖环链和 0H -根占据, 表现有较强的极性和对水的亲和性。
在苯乙烯系凝胶型阴离子交换树脂骨架中嵌入金属元素 X的制备方法: 在苯 乙烯系凝胶型阴离子交换树脂后交联反应过程中, 采用二氯乙烷或者液态醇类作 为溶胀剂, 作为催化剂的金属元素铁化合物或者金属元素铝化合物可以溶液形式 使用。
实施例之九:
第一步: 溶胀剂在常温下使树脂充分溶胀, 树脂与溶胀剂加入量之比为树脂 质量: 溶胀剂体积, 即 Kg/L之比, 其比例可以为 1 : 6到 1 : 60 ; 浸泡时间可以为 8 小时到 120小时;
第二步: 溶胀剂加热升温至沸点时加入催化剂, 保持温度四小时后加入氢氧 化钠(NaOH) , 使树脂骤然升温至 92到 96Ό产生激烈沸腾, 金属元素 X在反应物 升温且激烈沸腾过程中嵌入树脂骨架的碳链中, 随即加水降温至常温。
实施例之十:
上述方法第二步中, 加入的催化剂占溶胀树脂比例 1/10并充分混合, 加温至 溶胀剂沸点时停止加热, 保持温度四小时, 再加入占树脂反应物体积 20%的 NaOH, 使树脂升温至反应物激烈沸腾 (约 92到%C ) 时, 迅即加入占树脂反应物体积 20%的食用碘盐和 /或占树脂反应物体积 20%的食糖, 迅速止沸、 降温, 并从反应器 中放出。
此方法制备的树脂中金属元素的 Y位点可以由 I (碘) 、 单糖环链和 0H-根占 据, 表现有较强的极性和对水的亲和性。
实施例之 H ""—:
在上述后交联反应过程中, 也可以采用氯化铜溶液, 或者氯化锌溶液作为催 化剂。嵌入的金属元素 X是二价锌元素;或者是二价铜元素。其结构式为: C-Zn-C, 或者: C- Cu- C。 锌和铜在树脂骨架中没有 Y位点。
需要提出的是, 苯乙烯系阴离子交换树脂, 包括大孔型和凝胶型树脂, 在采 用本发明方法改性之后, 其离子交换性能趋于消失, 而产生极性吸附性能、 并获 得显著的提升。 凝胶型树脂在改性过程中产生了孔隙, 在实际检测中改性后凝胶 型树脂的比表面积竟然可以达到 1900 m7克。
本发明的第三部分内容, 是苯乙烯系树脂的新结构产品的用途:
釆用的苯乙烯系新结构树脂的孔径范围可以是 0-200賺, 孔容和比表面积不 限; 其骨架中嵌入的三价金属元素的 Y位点由 0H-占位和 /或由单糖环链占位和 / 或由具有对位价态的功能团占位 ·, 其用途是用做医用吸附剂, 用于血液灌流器; 或者用作口服树脂吸附剂; 或者用作活体血液中对分子生命物质的吸附取样剂; 通过外周血循环系统或者消化道系统, 吸附清除其中的致病因子, 或者对致病因 子和生命物质进行活体动态取样。
树脂孔径是在树脂聚合反应时制备的, 与采用的致孔剂物质有关。 本发明方 法在以金属催化剂参与嵌入反应时, 对树脂孔径有扩张作用。 例如前述, 凝胶型 阴离子树脂原本不存在孔隙, 但是在反应过程中产生了孔隙, 还通过处理形成了 比表面积达到 1900平米 /每克重的孔隙。
根据临床诊断提出的需要, 可以把医用苯乙烯系树脂的新结构产品根据其孔 径范围, 做如下区分:
实施例之十二:
采用的苯乙烯系新结构树脂的孔径 0-20簡,其中含 5- 20nm粒径的树脂不低于
60%。
实施例之十三:
采用的苯乙烯系新结构树脂的孔径 0- 40nm, 其中含 20- 40nm粒径的树脂不低 于 60%。
实施例之十四:
采用的苯乙烯系新结构树脂的孔径 0- 60nm, 其中含 40- 60nm粒径的树脂不低 于 60%。
实施例之十五:
采用的苯乙烯系新结构树脂的孔径 0- 80ηπι, 其中含 60- 80nm粒径的树脂不低 于 60%。
实施例之十六:
采用的苯乙烯系新结构树脂的孔径 0-100應, 其中含 80- lOOnm粒径的树脂不 低于 60%。
实施例之十七:
采用的苯乙烯系新结构树脂的孔径 0- 140rai,其中含 100- 140nm粒径的树脂不 低于 60%。
实施例之十八:
采用的苯乙烯系新结构树脂的孔径 0- 200nm,其中含 140- 200醒粒径的树脂不 低于 60°/。。
实施例之十九:
在用于血液灌流器做吸附剂使用时, 可以按照吸附的致病因子的价态属性和 粒径选用具有对位价态功能团和适用孔径的树脂, 来填充血液灌流器; 填充的方 式可以是一种孔径范围的树脂装填一只罐, 血液灌流器按照内装的树脂孔径和 Y 位点的物质价态属性分类;
或者按照沿着血液流经的方向排列, 孔径大的树脂填充在上游位置; 依照孔 径由大到小的顺序分层混装填到灌流器内, 且按照占据 Y点的元素或者功能团所 具有的物质价态分层情况分类。
实施例之二十:
用于做口服吸附剂使用, 以 Y位点具有的不同价态物质功能团和不同孔径的 树脂分别或者按比例混合包装在药用缓释胶囊中。
实施例之二^ ""一:
用做活体血液中分子态生命物质取样剂使用时, 以 Y位点所具有的不同价态 物质功能团和不同孔径的树脂分别装填到取样装置中。 该取样装置的构造类似血 液灌流器, 使用方法也类同。 完成取样之后, 将取样器从血液体外循环系统中摘 除, 用清洗的方法将吸附在取样器树脂中的活体物质洗脱。 由于本发明树脂是采 用物理吸附原理分离提取血液中分子态的生命物质, 吸附于本发明树脂孔隙和树 脂表面的生命物质可以在营养环境中很长时间内保持其生命活性, 为生命科学研 究提供了一种重要的技术手段。
本发明上述用途实施例中树脂的孔径范围从 "0 "开始, 是指孔径为 "0 " , 即树脂颗粒没有孔隙。 但是, 在- 个灌流器或者取样器中, 树脂颗粒之间的间隙 也可以被视为 "孔径" , 则该 "孔径"甚至无法测量出具体数据, 它或许会很大, 大过树脂颗粒所能具有的孔径。
上述用途实施例中也没有对 "孔容"和 "比表面积"做任何限定。 因为对于 大孔吸附树脂而言, 制约被吸附物质迸入树脂孔隙的首要条件是孔径。 在孔径确 定之后, 孔容和比表面积分别与树脂吸附率成正比关系。 而吸附率与孔径、 孔容 和比表面积之间的比例关系更多的是统计学内容, 不具有本发明的突破性技术发 明意义。
总之, 本发明苯乙烯系树脂的新结构产品用在血液灌流器中和取样器中做吸 附剂, 由于活性位点 Y点的存在, 可以以其极性吸附功能吸附血液中多种致病因 子; 而由于 Y点可以由单糖环链占据, 各类表面具有糖分子、 糖蛋白分子的致病 因子可以因亲和性而贴服缠绕其上; 这种极性吸附和亲和性缠绕, 在一定情况下 还会对病毒细胞壳产生撞击或者粘贴撕裂作用, 使细胞内的致病因子, 例如中小 分子病毒因子、 病毒 RNA等等, 瀑布式从细胞内喷出进入外周血, 恰好被本发明 吸附树脂的大、 中、 小孔径及树脂表面收纳。
本发明树脂材料所具有的活性位点 Y点的作用, 还在于 Y点可以通过对应的 修饰, 由具有所需功能的分子功能团占据, 因而为制备有针对性地吸附各类致病 因子的吸附树脂, 提供技术平台。
法国生理学家贝尔纳提出关于生命环境平衡的理论: "生物生存在它所习惯 的外环境中, 而生物体内的各种组织却生活于生物的 "内环境 "里。 内环境的稳 定是生命存在的前体; 内环境要经常同外环境保持平衡, 否则生命现象就要发生 紊乱。 "本发明树脂在以 "竞争吸附"规律建立的生命环境平衡秩序中发挥作用。
本发明树脂的特征结构包括: 骨架上 Y点的显极性, 以及又占据 Y点的单糖 环链形成的粒子级薄膜, 和包缠于树脂球表面的纤维素包膜。 利用树脂球表面和 树脂结构空间产生的膜渗透压力, 可有效地把细胞内的病毒小分子在不破坏细胞 的情况下拉出细胞膜外, 并轻松的吸附到树脂里。 随着血液灌流治疗结束后, 细 胞内和外周血中的小分子, 中分子, 大分子病毒都会被灌流器吸附、 留置, 并带 出体内; 而达到净化血液, 解决血液环境因不平衡引发的疾病。
基于本发明所具有的以上物质属性, 可以针对性地制备各类医用吸附树脂, 适用于下列各类疾患: 1、艾滋病, 即获得性免疫缺陷综合征; 人类免疫缺陷病毒是 R A病毒, 包括: 人类免疫缺陷 1型 (HIV- 1 ) 和人类免疫缺陷病毒 2型 (HIV- 2) 。
1. 1 , 电镜下观察 HIV- 1呈圆形颗粒, 直径约 l lOmi 在外膜上有外膜糖蛋白 (Env) 。
HIV- 1病毒基因组长约 10kb, 两端各有一个称为长末端重复 (long terminal repeat, LTR) 的 RNA序列, 长约 634bp。
本发明新结构树脂吸附剂在 HIV- 1病毒复制重组过程中, 对每个阶段的病毒 因子均具有良好的吸附作用, 能阻断蛋白病毒转递, 吸附清除外周血中产生的大 量的子代病毒, 阻止病毒快速发展, 进而使残存的病毒因子在其生命周期内自生 自灭。
1. 2、 HIV-2的超微结构及细胞嗜性与 HIV- 1相似。 本发明树脂吸附剂同样可 以吸附清除 HIV- 2感染病毒, 阻断瀑布式的炎症因子爆发。
2、 本发明树脂吸附剂对病毒性肝病和非病毒性肝病的病毒颗粒, 具有吸附作 用。
2. 1、甲型肝炎病毒:是一种 RNA病毒,属微小核糖核酸病毒科,是直径约 27nm 的球形颗粒, 由 32个壳微粒组成对称 20面体核衣壳, 内含线型单股 RNA。 该病毒 物质在本发明树脂的吸附作用范围。
2. 2、乙型肝炎病毒:是一种 DNA病毒,属嗜肝 DNA病毒科(hepadnavividae ), 是直径 42腿的球形颗粒。
2. 3、 乙型肝炎患者血清在显微镜的观察下可查见三种颗粒:
2. 3. 1、 直径 22nm的小球形颗粒;
2. 3. 2、 管状颗粒, 长约 100〜700nm, 宽约 22nm;
2. 3. 3、 直径为 42mn的大球形颗粒, 小球形颗粒。
小球形颗粒及管状颗粒均为过剩的病毒外壳, 含表面抗原; 大球形颗粒即病 毒颗粒, 有实心与空心两种, 空心颗粒缺乏核酸。 三种颗粒均在本发明吸附剂的 吸附作用的适用范围;
2. 4、 本发明树脂对抗原抗体具有吸附调整作用:
乙肝表面抗原和表面抗体的形态:
2. 4. 1、 乙型肝炎表面抗原 (HBsAg)和表面抗体(抗 - HBs ) HBsAg是存在于病 毒颗粒的外壳以及小球形颗粒和管状颗粒。 2. 4. 2、 乙型肝炎核心抗原 (HBcAg ) 和核心抗体 (抗- HBc )
2. 4. 3、 乙型肝炎 e抗原 (HBeAg) 和 e抗体- (HBe ) 。
三种抗原抗体都在本发明树脂吸附作用范围内。
2. 5、 本发明树脂对丙型肝炎病毒 (HCV) 具有亲和性及特异性吸附作用; 丙型肝炎病毒 (HCV ) 是一种具有脂质外壳的 RNA病毒, 直径 50- 60nm, 其基 因组为 10kb单链 RNA分子。
2. 6、 本发明树脂对丁型肝炎病毒 (HDV) 具有亲和性及特异性吸附作用: 丁型肝炎病毒 (HDV) 是一种缺陷的嗜肝单链 RNA病毒, 需要 HBV的辅助才能 进行复制,因此 HDV现 HBV同时或重叠感染。 HDV是直径 35- 37nm的小圆球状颗粒, 其外壳为 HBsAg, 内部由 HDAg和一个 1. 7kb的 RM分子组成。
2. 7、 本发明树脂对戊型肝炎病毒 (HEV ) 具有亲和性及特异性吸附作用: 戊型肝炎病毒 (HEV ) 为直径 27- 34面的小 RNA病毒。
2. 8、 本发明树脂对庚型肝炎病毒 (HGV) 具有亲和性及特异性吸附作用:
3、 本发明树脂对患者体内导致血压增高的炎症因子具有吸附作用。
高血压症分为: a原发性, b继发性, c病毒性等发病原因不同的高血压症, 都与过量炎症因子的作用相关。 高血压症的炎症因子是中小分子, 属于本发明树 脂吸附作用的适用范围。
4、 高胰岛素血症是由胰岛素过量引发的病患。
本发明树脂对患者体内过量的胰岛素分子具有明显的极性吸附作用, 调节体 内胰岛素存量, 可以用于治疗高胰岛素血症。
5、尿毒症、 肝病、 造血系统恶性肿瘤、 原发性肝癌、 肺癌、 骨髓瘤等恶性肿、 系统性红斑狼疮、 溶血性贫血等自身免疫性疾病等, 都表现出血清 微球蛋白 含量的增高与肾小球滤过率 (GFR ) 降低, 与 β 2-微球蛋白合成加速有密切关系。 由于 β 2微球蛋白等中分子毒物蓄积引起透析相关淀粉样变、 肾性骨病、继发性甲 旁亢等的发生率增加, 由此引起患者的各类并发症, 住院率、 死亡率也随之增加。
本发明树脂具有吸附过量 β 2 -微球蛋白的作用, 可以阻断体内 β 2-微球蛋白 合成, 清除过量的以 β 2-微球蛋白为代表的中分子毒性物质, 可以改善尿毒症、 肝病、 红斑狼疮、 恶性肿瘤等疾病患者的生命环境, 提高患者生命质量。
6、 药物依赖症患者体内因服用毒品而产生毒性神经肽, 阻断正常神经信号传 导功能。 本发明树脂对外周血中的毒性神经肽类分子具有吸附作用, 可以使患者在数 十分钟内快速跨越戒断反应期, 摆脱对致瘾药物的躯体依赖。
7、 抢救急性药物中毒。
本发明树脂对毒性神经肽类物质的吸附作用, 同样可以应用到对急性药物中 毒患者的抢救中, 并有临床验证病例。
8、 救治精神病患者。
本发明树脂对神经肽类物质的吸附作用, 也能够用于救治精神病患者, 并已 经有临床验证病例。
9、 高甘油三酯血症 (hypertriglyceridemia, HTG) 是一种异族性甘油三酯 蛋白合成或降解障碍者。 HTG指血中的甘油三酯以乳糜微粒和前 β -脂蛋白中含量 过量, 它与动脉粥样硬化的形成有很大的关系。 被称为 "沉默的杀手" 。
本发明树脂可以吸附清除高甘油三酯血症(HTG) 患者的血液中的过量乳糜微 粒和 β -脂蛋白, 缓解甚至治愈 HTG病患。
10、 高胆固醇血症是指患者的血液中血浆胆固醇浓度过高。 血浆总胆固醇的 1/3以游离形式存在, 2/3为与脂肪酸结合之胆固醇酯。 血浆胆固醇主要由肝脏及 小肠合成。 我国健康青壮年多在 1400〜1600毫克 /升, 老年人不超过 2000毫克 / 升, 较欧美人为低。 如超过 2500毫克 /升应进行治疗。
本发明树脂吸附剂对血浆胆固醇具有吸附作用, 可以吸附清除体内过量的血 浆胆固醇, 缓解甚至治愈高胆固醇血症。
11、 本发明树脂的吸附作用在以 "竞争吸附"规律建立的物质环境平衡秩序 中, 可以对外周血中存在的各类脂蛋白, 包括高、 低密度脂蛋白等的血浆浓度进 行适度调节, 从而缓解和治愈高脂蛋白血症。
12、 本发明树脂对代谢综合征患者体内过量的脂类物质有着很好的平衡吸附 效果。 在使用本发明树脂作为血液净化吸附剂的临床试验中, 患者的甘油三酯平 均下降率不低于 50%、 高胰岛素血症的胰岛素平均下降率不低于 60%、 LDL的下降 率不低于 35%、 VLDL的平均下降率不低于 55%、 总胆固醇的下降率不低于 35%。 对 高血压代谢综合患者的血管紧张素的下降率不低于 30%,可调节代谢综合症病患者 血压。
13、 本发明树脂可有效的清除患者体内过量的中、 大分子毒物, 对中分子和 中大分子的病毒 Η-Ν在临床验证中获得了很好的效果, 对抢救由病毒引发的突发 性流行疾病 (Η1Ν1, Η7Ν9, SARS ) 是非常有效的治疗方法, 和抢救措施。 己经有 临床病例的个案。
14、 本发明树脂对葡萄膜炎患者血液中的白介素 1、 6、 18, 有吸附作用, 可 以缓解甚至治愈葡萄膜炎疾患。
15、 本发明树脂对包括高内毒素血症、 脓毒血症在内的挤压综合症的患者血 液中的小分子、 中分子和大分子致病因子都有着很好的清除和吸附作用。 可以有 效的抢救、 缓解和治愈挤压综合症病患者、 脓毒血症患者。
16、 本发明的树脂可对血液内的过量的炎症因子: 白介素、 肿瘤坏死因子、 甲状旁腺素、 内皮素、 肾素、 血管紧张素、 高胰岛素等都有着针对性的吸附清除 作用。
17、 本发明树脂对破坏神经系统平衡, 阻碍神经正常传导作用的新生致病因 子有吸附作用, 在临床使用的过程中对性功能减退和阳痿有缓解和治愈的效果, 其机理尚有待研究总结。
18、 用本发明树脂对生育产妇做血液净化治疗, 其产后的面部赭色和腹部斑 紋, 能快速的减轻黑色; 呈现出光滑的腹部和白皙的皮肤。 '
19、 本发明树脂可以吸附各种性病的致病因子, 包括细菌和病毒; 在临床验 证的过程中对于淋病, 尖锐湿疣, 梅毒等性病都有缓解和治愈的效果。
20、 本发明树脂用于生命物质活体取样剂, 其使用方法与在血液灌流器中作 为血液净化吸附剂的使用方法相同, 为生命科学研究提供了一种简单有效的取样 技术手段。
本发明树脂产品新结构技术方案和本发明提出的制备方法技术方案, 此前都 不曾见于任何公开文献的报道, 是本领域内前所未有的新技术发明, 与现有技术 相比具有突出的实质性特点。
本发明苯乙烯系树脂的新结构产品在血液灌流器中作为吸附剂使用, 吸附效 果比现有技术的树脂吸附剂优异, 适用范围更为广泛, 已经在试验中得到验证。 本发明比现有技术树脂吸附剂具有显著的进步。
采用本发明材料的血液灌流器和口服吸附剂已经列入国家 863重点项目的支 持技术, 目前已被收入国家科学思想库。

Claims

权利要求书
1、 苯乙烯系树脂的新结构产品, 其特征在于: 是改性苯乙烯-二乙烯苯大孔 吸附树脂, 在网状结构的苯乙烯-二乙烯苯树脂骨架的碳链上嵌入金属元素 X, 其 结构式为 C-X- C; 其中 C为碳元素, X元素可以是具有正二价或以上的金属元素。
2、 如权利要求 1所述的苯乙烯系树脂的新结构产品, 其特征在于网状结构的 苯乙烯 -二乙烯苯树脂骨架的碳链上嵌入的金属元素 X 是三价铁元素或三价铝元 素, 其结构式为 C- Fe- C或者 C-Al- C; 其中铁 Fe或者铝 A1的第三价位是活性位点 Y; 根据元素的活泼性强弱, Y位点依次可以是元素 F (氟)、 或者元素 C1 (氯) 、 或者元素 Br (溴) 、 或者 I (碘) ; 在存在 0H- (氢氧根) 时, 也可以是 0H-; 或 者是具有对位价态的功能团。
3.如权利要求 1 所述的苯乙烯系树脂的新结构产品, 其特征在于所述的金属 元素 X是二价锌元素; 或者所述的金属元素 X是二价铜元素。
4.如权利要求 1所述的苯乙烯系树脂的新结构产品的制备方法, 其特征在于: 是在骨架中嵌入金属元素 X的改性苯乙烯 -二乙烯苯大孔吸附树脂的制备方法; 具 体是, 在苯乙烯-二乙烯苯大孔吸附树脂后交联反应过程中, 采用二氯乙垸或者液 态醇类做溶胀剂, 采用金属元素 X化合物溶液作为催化剂; 在充分溶胀的条件下, 加温使树脂升温至溶胀剂的沸点, 再加入催化剂溶液继续升温至催化剂溶液的沸 点, 再加入画; 溶液骤然升温数十度, 使充分溶胀的树脂在超过其沸点数十度 温度而激烈沸腾的条件下, 催化剂加入反应, 在反应过程中几乎就在瞬间使催化 剂中金属元素 X 的粒子嵌入到树脂骨架的碳链中; 催化剂的加入量与嵌入碳链中 金属元素 X的量有关, 不受嵌入反应的限制。
5.如权利要求 4所述的苯乙烯系树脂的新结构产品的制备方法, 其特征在于: 在苯乙烯 二乙烯苯大孔吸附树脂后交联反应过程中, 采用二氯乙垸或者液态醇类 做溶胀剂, 采用金属元素 X化合物溶液作为催化剂;
第一步: 将大孔树脂放入溶胀剂中浸泡, 使其充分溶胀 ·, 树脂与溶胀剂加入 量之比为树脂质量比溶胀剂体积、 即 Kg/L, 其比例可以在 1 : 3到 1 : 30之间选择; 浸泡时间可以在 12小时到 120小时之间选择;
第二步: 将经过充分浸泡的树脂滤掉游离的溶胀液, 加入反应器中, 再加入 1/2浸泡过的树脂体积的新溶胀液, 搅拌均匀后升温至溶胀液沸点, 加入催化剂使 温度保持在溶胀剂沸点, 继续搅拌, 保持两小时; 第三步: 再次加入催化剂使温度升高, 继续搅拌; 当温度升高至催化剂沸点 时, 停止加入;
第四步:继续搅拌,同时保持温度,时间约两小时,而后加入氢氧化钠(NaOH), 反应物温度骤然升高, 至温度升高到高出催化剂沸点 25- 35°C时停止加入氢氧化 钠, 加入水冷却, 并将反应物质从反应容器底部放出, 继续冷却;
第五步: 将反应后的树脂冲洗千净。
6.如权利要求 4或者 5所述的苯乙烯系树脂的新结构产品的制备方法, 其特 征在于: 在后交联反应过程中, 采用三氯化铁溶剂或者三氯化铝溶剂作为催化剂; 采用三氯化铁催化剂所得树脂为红色或者暗红色; 在氢氧化钠过量的情况下, 树 脂会是黑色。
7.如权利要求 4或者 5所述的苯乙烯系树脂的新结构产品的制备方法, 其特 征在于: 在后交联反应过程中, 采用氯化铜或者采用氯化锌溶剂作为催化剂。
8.如权利要求 5所述的苯乙烯系树脂的新结构产品的制备方法, 其特征在于: 其第三步: 再次加入催化剂至温度瞬间升高到 100°C ± 5°C时为止, 加入食用 碘盐和 /或食糖止沸, 加入量为催化剂的 0. 5到 1. 5倍;
第四步. · 继续搅拌, 时间两小时, 而后加入氢氧化钠 (NaOH) , 反应物温度 再次骤然升高, 至温度升高时到 130°C时停止加入氢氧化钠, 加入水冷却, 并将反 应物质从反应容器底部放出;
第五步: 将反应后的树脂冲洗千净。
9.苯乙烯系树脂的新结构产品, 其特征在于: 是改性苯乙烯系阴离子交换树 脂, 包括改性大孔型阴离子交换树脂, 和改性凝胶型阴离子交换树脂 ·, 在网状结 构的苯乙烯树脂骨架的碳链上嵌入金属元素 X, 其结构式为 C- X- C; 其中)元素可 以是具有正二价或以上的金属元素。
10.如权利要求 9所述的苯乙烯系树脂的新结构产品, 其特征在于: 网状结构 的苯乙烯骨架的碳链上嵌入的金属元素 X是三价铁元素, 或者三价铝元素; 其结 构式为 C- Fe- C, 或者 C- A1-C; 其中铁 Fe或者铝 A1的第三价位是活性位点 Y; 根 据元素的活泼性强弱, Υ位点依次可以是元素 F (氟) 、 或者元素 C1 (氯) 、 或者 元素 Br (溴) 、 或者元素 I (碘) ; 在存在 0H- (氢氧根)时, 也可以是 0H-; 或者 是具有配对价态的功能团。
11.如权利要求 9所述的苯乙烯系树脂的新结构产品, 其特征在于所述的金属 元素 X是二价锌元素; 或者所述的金属元素 X是二价铜元素。
12.如权利要求 9所述的苯乙烯系树脂的新结构产品的制备方法,其特征在于: 是在骨架中嵌入金属元素 X 的改性苯乙烯系大孔型阴离子交换树脂的制备方法: 具体是, 在树脂后交联反应过程中, 采用二氯乙烷或者液态醇类做溶胀剂, 采用 金属元素 X化合物溶液作为催化剂; 在充分溶胀的条件下加温, 使温度升高到溶 胀剂沸点, 保持温度, 加入催化剂, 继而升温至催化剂溶液的沸点, 再加入 NaOH, 使温度骤然上升 25- 35°C,使充分溶胀的树脂处于超过其沸点数十度温度时与催化 剂, 反应, 在反应过程中几乎就在瞬间使金属元素的粒子嵌入到树脂骨架的碳链 中。
13.如权利要求 12所述的苯乙烯系树脂的新结构产品的制备方法, 其特征在 于: 在大孔型阴离子交换树脂后交联反应过程中:
第一步: 将树脂放入溶胀剂中浸泡, 使其充分溶胀; 树脂与溶胀剂加入量之 比为树脂质量比溶胀剂体积、 即 Kg/L, 其比例可以在 1 : 6到 1 : 60之间选择; 浸泡 时间可以在 8小时到 120小时之间选择;
第二步: 将经过充分浸泡的树脂滤掉游离的溶胀液, 加入反应器中, 再加入
1/2浸泡过的树脂体积的新溶胀液, 搅拌均匀后加温, 使温度升高至溶胀剂沸点, 加入催化剂, 并在溶胀剂沸点温度继续搅拌, 保持两小时;
第三步: 再次加入催化剂溶液, 使温度升高至催化剂沸点时为止, 继续搅拌 约两小时;
第四歩: 而后加入氢氧化钠 (NaOH ) , 反应物骤然升温, 至温度升高到高出 催化剂沸点 25- 35 °C时停止加入氢氧化钠, 并迅即冷却;
第五步: 将反应后的树脂冲洗干净。
14.如权利要求 12或者 13所述的苯乙烯系树脂的新结构产品的制备方法, 其 特征在于:
在后交联反应过程中, 采用三氯化铁溶剂或者三氯化铝溶液作为催化剂。
15.如权利要求 12或 13所述的苯乙烯系树脂的新结构产品的制备方法, 其特 征在于:
在后交联反应过程中, 采用氯化锌溶液或氯化铜溶剂作为催化剂。
16.如权利要求 13所述的苯乙烯系树脂的新结构产品的制备方法, 其特征在 于: 在后交联反应过程中, 采用二氯乙烷或液态醇做溶胀剂, 采用三氯化铁或三 氯化铝溶剂作为催化剂;
其第三步. · 再次加入催化剂至温度升高到溶胀剂沸点时为止, 继续搅拌; 保 持温度并加入食用碘盐和 /或食糖止沸, 加入量为催化剂的 0. 5到 1. 5倍;
第四步: 继续搅拌, 时间两小时, 而后加入氢氧化钠 (NaOH) , 反应物温度 骤然升高, 至温度升高约三十度时停止加入氢氧化钠, 加入水冷却, 并将反应物 质从反应容器底部放出;
第五步: 将反应后的树脂冲洗干净, 采用三氯化铁溶剂得到的树脂是红色、 暗红色或者黑色。
17.苯乙烯系树脂的新结构产品的制备方法, 其特征在于: 该方法在苯乙烯系 凝胶型阴离子交换树脂骨架中嵌入金属元素 X,在苯乙烯系凝胶型阴离子交换树脂 后交联反应过程中, 采用二氯乙垸或者液态醇类作为溶胀剂, 作为催化剂的金属 元素 X化合物可以溶液形式使用;
第一步: 溶胀剂在常温下使树脂充分溶胀, 树脂与溶胀剂加入量之比为树脂 质量: 溶胀剂体积, 即 Kg/L之比, 其比例可以为 1 : 6到 1 : 60, 浸泡时间可以为 8 小时到 120小时;
第二步: 溶胀剂加热升温至沸点时加入催化剂 X, 保持温度四小时后加入氢氧 化钠(NaOH) , 使树脂骤然升温至 92到 96°C产生激烈沸腾, 金属元素在反应物升 温且激烈沸腾过程中嵌入树脂骨架的碳链中, 随即降温至常温。
18,如权利要求 18所述的苯乙烯系树脂的新结构产品的制备方法, 其特征在 于:
第二步: 加入的催化剂占溶胀树脂比例 1/10并充分混合, 加温至溶胀剂沸点 时停止加热, 保持温度四小时, 再加入占树脂反应物体积 20%的食用碘盐和 /或占 树脂反应物体积 20%的食糖, 迅速降温, 并从反应器中放出。
19.如权利要求 18或者 19所述的苯乙烯系树脂的新结构产品的制备方法, 其 特征在于:
在后交联反应过程中, 采用三氯化铁溶液, 或者三氯化铝溶液作为催化剂。
20.如权利要求 18或 19所述的苯乙烯系树脂的新结构产品的制备方法, 其特 征在于:
在后交联反应过程中, 采用氯化铜溶液, 或者氯化锌溶液作为催化剂。
21.如权利要求 1、 2、 3、 9、 10、 11 所述的苯乙烯系树脂的新结构产品的用 途, 其特征在于:
采用的苯乙烯系新结构树脂的孔径 0- 200 , 孔容和比表面积不限; 其碳链中 嵌入的三价金属元素的 Y点由 0H-占位和 /或由单糖环链占位和 /或具有对位价态的 功能团占位; 其用途是用做医用吸附剂, 用于血液灌流器吸附剂, 或者用作口服 树脂吸附剂 通过外周血循环系统或者消化道系统吸附清除粒径在树脂孔径范围 内的治病因子。
22.如权利要求 22所述的苯乙烯系树脂的新结构产品的用途, 其特征在于: 采用的苯乙烯系新结构的孔径 0- 20nm,其中含 5- 20nm粒径的树脂不低于 60%。
23.如权利要求 22所述的苯乙烯系树脂的新结构产品的用途, 其特征在于: 采用的苯乙烯系新结构树脂的孔径 0- 40™, 其中含 20- 40舰粒径的树脂不低 于 60%。
24.如权利要求 22所述的苯乙烯系树脂的新结构产品的用途, 其特征在于: 采用的苯乙烯系新结构树脂的孔径在 0 60nm, 其中含 40- 60nm粒径的树脂不 低于 60%。
25.如权利要求 22所述的苯乙烯系树脂的新结构产品的用途, 其特征在于: 采用的苯乙烯系新结构树脂的孔径 0- 80舰, 其中含 60- 80nm粒径的树脂不低 于 60%。
26.如权利要求 22所述的苯乙烯系树脂的新结构产品的用途, 其特征在于: 采用的苯乙烯系新结构树脂的孔径 0- lOOnm, 其中含 80- lOOnm粒径的树脂不 低于 60%。
27.如权利要求 22所述的苯乙烯系树脂的新结构产品的用途, 其特征在于. - 采用的苯乙烯系新结构树脂的孔径 0-140雇,其中含 100- 140nm粒径的树脂不 低于 60%。
28.如权利要求 22所述的苯乙烯系树脂的新结构产品的用途, 其特征在于: 采用的苯乙烯系新结构树脂的孔径 0- 200nm,其中含 140- 200nm粒径的树脂不 低于 60%。
29.如权利要求 22所述的苯乙烯系树脂的新结构产品的用途, 其特征在于: 在用于血液灌流器做吸附剂使用时, 可以按照吸附的致病因子的价态属性和 粒径选用具有对位价态功能团, 和适用孔径的树脂来填充血液灌流器; 填充的方 式可以是一种孔径范围的树脂装填一只罐, 血液灌流器按照内装的树脂孔径和 Y 位点的物质价态属性分类; 或者按照沿着血液流经的方向排列, 孔径大的树脂填 充在上游位置; 依照孔径由大到小的顺序分层混装填到灌流器内, 且按照占据 Y 点的元素或者功能团所具有的物质价态分层情况分类。
30.如权利要求 22所述的苯乙烯系树脂的新结构产品的用途, 其特征在于: 用于做口服吸附剂使用, 不同孔径和 Y 点具有的不同的树脂价态属性, 分别
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CN116478323B (zh) * 2023-04-03 2023-09-19 河北利江生物科技有限公司 用于吸附肠道内肌酐及尿酸的口服树脂的合成方法

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