WO2017081221A1 - Additif de neutralisation pour silicone comprenant un adsorbant et une matière catalytique pour neutraliser et cliver des molécules à l'origine d'odeurs - Google Patents

Additif de neutralisation pour silicone comprenant un adsorbant et une matière catalytique pour neutraliser et cliver des molécules à l'origine d'odeurs Download PDF

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Publication number
WO2017081221A1
WO2017081221A1 PCT/EP2016/077381 EP2016077381W WO2017081221A1 WO 2017081221 A1 WO2017081221 A1 WO 2017081221A1 EP 2016077381 W EP2016077381 W EP 2016077381W WO 2017081221 A1 WO2017081221 A1 WO 2017081221A1
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Prior art keywords
neutralization
neutralization additive
odor
adsorbent
additive
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PCT/EP2016/077381
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German (de)
English (en)
Inventor
Jörg BRUNS
Philipp Jordan
Silke Sauerbeck
Arno Tissler
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Raumedic Ag
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Publication of WO2017081221A1 publication Critical patent/WO2017081221A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8603—Removing sulfur compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/01—Deodorant compositions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/01—Deodorant compositions
    • A61L9/014—Deodorant compositions containing sorbent material, e.g. activated carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/112—Metals or metal compounds not provided for in B01D2253/104 or B01D2253/106
    • B01D2253/1122—Metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/20—Organic adsorbents
    • B01D2253/202—Polymeric adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/25—Coated, impregnated or composite adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/104—Silver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/106—Gold
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/2073—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20738—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20761—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20792—Zinc
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/304—Hydrogen sulfide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/306—Organic sulfur compounds, e.g. mercaptans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air

Definitions

  • the invention relates to a neutralization additive for use in silicone products which come into contact with sulfur-based odorous substances and its use in polymeric base materials for the neutralization and decomposition of odor-forming molecules.
  • the neutralization additive can be used in a medical or pharmaceutical product.
  • a medical product application is a rectal catheter.
  • the neutralization additive can also be used outside the medical or pharmaceutical application, namely generally where, due to the application, an undesirable odor development is to be expected due to the diffusion of odor-intensive molecules through a hose wall.
  • Such further applications are, for example, gas lines made of plastic, in which a corresponding neutralization additive allows, for example, a distinction of wall diffusion from a true leakage and thus a leakage detection is possible.
  • Other application examples are pipelines and their compensators, such as those used in petroleum pipes or biogas plants.
  • Another application example, independent of a medical or pharmaceutical application in which a corresponding neutralization additive can be used, is a seal.
  • coatings and linings of tanks are suitable Application examples.
  • a polymeric base material silicone is used.
  • a thermosplastic elastomer (TPE) can also be used as the polymeric base material.
  • Substances that contain sulfur-based odors are found in oil refineries, in the transportation of oil, in the production of biogas and biodiesel. In these areas, odor reduction is possible by binding these odorous substances to a neutralization additive.
  • Sulfur-containing chemicals such as mercaptans
  • the odor nuisance during the manufacturing process, the storage and the transport can be reduced by using a silicone tube provided with a neutralization additive or by silicone-lined lines and containers.
  • EP 2 620 168 A1 describes the production of a tube with an odor barrier for use as a catheter.
  • EP 2 001 671 B1 describes a multilayer material which is suitable for use in odor-intensive areas, for example as an odor-inhibiting substance in a catheter bag.
  • WO 2013/043 226 Al an odor-inhibiting material is described, which is suitable for use in catheters or Desikalienlessnessn.
  • JP 2010 274 178 A describes a means for removing volatile material.
  • JP 2003 070 887 A describes a deodorizing adsorption material.
  • JP 2008 214 830 A describes a functional textile comprising a polymer composition with a photocatalytic material and dispersed activated carbon powder.
  • WO 2010/105420 AI describes an air purification system.
  • JP 2010 184 958 A describes a coating composition comprising an adsorbent with a main zeolite component and an inorganic catalyst.
  • EP 1 417 978 A1 describes a deodorizing device.
  • JP 2008 093 504 A describes a drying and deodorizing filter.
  • JP 2002 331 212 A describes a deodorizing de-staining filter.
  • US 7,316,7312 B2 describes a filter for air treatment.
  • EP 1 172 419 A1 describes a composition of a pigment and a hydrophobic zeolite.
  • DE 697 24 337 T2 describes a fibrous deodorizing material and a method for its production.
  • DE 10 2014 225 388 AI describes a household appliance device.
  • DE 602 17 678 T2 describes superabsorbent, carboxyl-containing polymers with odor control.
  • WO 98/16261 AI describes a deodorizing device.
  • US 2008/0302713 AI describes an antimicrobial filter cartridge.
  • DE 601 28 004 T2 describes non-adherent spandex yarns with antimicrobial agents.
  • EP 2 377 833 B1 describes a paving stone with a surface coating.
  • DE 10 2008 005 469 A1 describes a pasty insertion material for expanding the gingival sulcus.
  • a smell of a medium to which a product is exposed does not escape to the outside, so that there is no undesirable odor nuisance of an external environment. Accordingly, it is an object of the present invention to provide a neutralization additive which at least substantially prevents the release of odoriferous compounds into an external environment and can be formed into a product with a polymeric base material.
  • a neutralization additive having the features specified in claim 1.
  • the adsorbent present in the neutralization additive and the catalytic material neutralize odor-forming molecules.
  • the adsorbent can neutralize sulfur compounds.
  • Odor-forming sulfur compounds include hydrogen sulfide, methanethiol, allyl methyl sulfide, disulfides (such as dimethyl disulfide, methyl propyl disulfide, dipropyl disulfide, cis propenyl propyl disulfide, trans propenyl propyl disulfide) and trisulfides (such as dimethyl trisulfide).
  • the adsorbent may have a large active surface area.
  • the adsorbent has a BET surface area of 100 - 600 m 2 / g, preferably from 250 - 500 m 2 / g, more preferably of 300 - 400m 2 / g.
  • the ak- The surface of the adsorbent is determined by the BET (Brunauer, Emett, Teller) method (see DIN 66131 and ISO 9277) and is also referred to as BET surface area.
  • the BET surface area is determined on the powdery material or on tablets according to DIN 66131.
  • the catalytic material can cause a breakdown of odoriferous and thus disturbing molecules.
  • the adsorbent and catalytic material are therefore suitable for forming the odor barrier by either adsorbing the odor-forming molecules or breaking them down into smaller, no longer odor-forming molecules.
  • the catalytic material can also odor-inhibiting and odor-reducing effect even if a loading of the adsorbent already exceeds a critical loading limit.
  • the catalytic material is present as a component of the adsorbent, the adsorbent agrees the functions "neutralization" and "catalytic elimination of offensive odors".
  • the catalytic material may be present as a component in addition to the adsorbent.
  • Such an additional catalytically active material present in the neutralization additive is suitable for splitting odor-forming molecules. It can also split molecules that can not be adsorbed on the adsorbent due to their size. After cleavage, these molecules are present as smaller molecules and can be adsorbed on the adsorbent in the following step and further split due to its catalytic function.
  • the catalytic material present in the neutralization additive may comprise a metal, in particular having an oxidation state not equal to 0, or a non-metallic component or a non-metallic compound. In an alternative embodiment of the catalytic material, this may comprise both a metallic and a non-metallic component.
  • metal-containing compounds according to claim 4 which comprises the catalytically active material, in particular the metals manganese, zinc, iron or noble metals or a combination of at least two of these metals are suitable. Also stainless steel can be used.
  • noble metals according to claim 5 are selected from platinum, gold, silver, copper or a combination of at least two of these noble metals.
  • the metal-containing compound may also be a compound in which the metal element is not used as a pure metal, i. in the oxidation stage 0 is present. Combinations of a pure metal and metal element in the non-metallic state can also be used.
  • Contains the neutralization additive copper this is preferably in a proportion of at least 0.1 wt .-%, especially from 0.1 to 10 wt .-% before.
  • This proportion of copper may be located in the adsorbent containing the catalytic function or in the further catalytically active material.
  • the neutralization additive contains manganese, it is preferably present in a proportion of at least 10% by weight, especially from 10 to 15% by weight. in front.
  • This manganese fraction may be present in the adsorbent containing the catalytic function or in the further catalytically active material.
  • Contains the neutralization additive zinc this is preferably in a proportion of at least 20 wt .-%, especially from 20 to 40 wt .-% before.
  • This zinc fraction may be in the adsorbent containing the catalytic function or in the further catalytically active material.
  • a molecular sieve according to claim 6 represents a particularly effective variant of a neutralization additive.
  • the molecular sieve can provide porous structures, in particular porous crystalline structures, whose pore size can be tailored to the odor-forming molecules to be bound.
  • the catalyst may be chosen to break down molecules for the unseparated form of which the pores of the molecular sieve are too small.
  • a microporous material according to claim 7, in particular a zeolite according to claim 8, represents a particularly suitable neutralization additive.
  • the microporous material, in particular the zeolite may have an adsorbing effect.
  • Naturally occurring and / or synthetically produced microporous structures, in particular zeolite structures can be used.
  • a zeolite of the topology BEA according to claim 9 represents a particularly suitable neutralization additive.
  • the zeolite of the topology BEA is preferably a synthetically produced zeolite.
  • Another zeolite material with a three-dimensional channel system can also be used. As examples are zeolites with MFI, FAU and to call MO topology.
  • the zeolite has in particular the function of adsorbing the odoriferous molecules. This is due to the specific zeolite structure having channels and / or cavities accessible to molecules of a particular size.
  • the catalytic material in the neutralization additive may be present either as a separate compound adjacent to the adsorbent, especially as a metal-containing compound, more particularly in the form of an oxide, hydroxide, carbonate or phosphate.
  • this zeolite may additionally contain metal-containing components which are present either in the form of a pure metallic phase, that is to say in the oxidation state 0, or in the form of metal ions.
  • the catalytic material of the neutralization additive is present in the zeolite structure itself.
  • Particles having a particle size of 0.1 ⁇ to 50.0 ⁇ , in particular from 1.0 to 10 ⁇ according to claim 10 have been found to be particularly suitable for the neutralization additive.
  • the further catalytic material has a particle size of 0.1 ⁇ to 50.0 ⁇ , in particular from 1.0 to 10.0 ⁇ .
  • the adsorbent can have a particle size of from 0.1 ⁇ m to 50.0 ⁇ m, in particular from 1.0 to 10.0 ⁇ m.
  • a zeolite content according to claim 12 leads to a particularly suitable composition of the additive paste.
  • the base material can be a peroxide cross-linked silicone.
  • This silicone can have a Shore hardness in the range between 30 A and 80 A and in particular a Shore hardness of 50 A.
  • One- or multi-component silicones can be used. It can high-temperature-crosslinking or room-temperature-crosslinking silicones are used.
  • thermoplastic elastomer can be used as base material.
  • the crosslinker used can be a peroxidic crosslinker, a platinum crosslinker or a UV crosslinker.
  • the invention further relates to a polymeric starting material containing the polymeric base material and the neutralization additive. Furthermore, the invention relates to a polymer product prepared, in particular by extrusion, from this polymeric starting material.
  • the additive paste in this embodiment has the following composition:
  • the additive paste regularly still comprises a flowable carrier component.
  • a flowable carrier component In principle, however, it is also possible to add the abovementioned components BEA zeolite, manganese and copper in dry form.
  • Example 2 From the embodiment 1, the embodiment 2 differs only by the composition of the additive paste. This is the following:
  • Silicone oil as a carrier fluid
  • the amount of silicone oil as a carrier fluid is not critical here.
  • the carrier fluid serves to adjust the viscosity of the additive paste.
  • the additive paste is first prepared by dispersing and then finely dispersing and then admixing the silicone base material. For example, an extrusion of the compound thus produced into a polymer product can take place for product production.
  • the polymer product in pharmacy is possible, for example as a filling tube for drugs. Another application, for example as a gas line or as a seal, is possible.
  • the polymer product is used in medical technology, especially as a rectal catheter.
  • the polymer product may have the function of a drainage tube.

Abstract

Un additif de neutralisation est employé comme matière anti-odeur. L'additif de neutralisation est utilisé ajouté à une matière de base polymère qui est du silicone. L'additif comprend un adsorbant pour neutraliser des molécules à l'origine d'odeurs et une matière catalytique pour cliver les molécules à l'origine d'odeurs. Il en résulte un additif de neutralisation qui empêche au moins dans une large mesure la libération dans l'environnement extérieur de composés à l'origine d'odeurs et qui peut être moulé avec une matière de base polymère pour former un produit.
PCT/EP2016/077381 2015-11-13 2016-11-11 Additif de neutralisation pour silicone comprenant un adsorbant et une matière catalytique pour neutraliser et cliver des molécules à l'origine d'odeurs WO2017081221A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015222486.4A DE102015222486A1 (de) 2015-11-13 2015-11-13 Neutralisations-Additiv
DE102015222486.4 2015-11-13

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WO2017081221A1 true WO2017081221A1 (fr) 2017-05-18

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DE (1) DE102015222486A1 (fr)
WO (1) WO2017081221A1 (fr)

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Publication number Priority date Publication date Assignee Title
JPH0742946A (ja) * 1993-07-28 1995-02-10 Toshiba Corp 加熱調理装置
EP0640661A2 (fr) * 1993-08-27 1995-03-01 Shin-Etsu Chemical Co., Ltd. Compositions de caoutchouc de silicone antibactériel et antifongique
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WO1998016261A1 (fr) 1996-10-16 1998-04-23 Enviro-Mate Pty. Ltd. Procede et appareil de desodorisation et de detoxification
EP1172419A1 (fr) 2000-07-13 2002-01-16 Degussa AG Composition contenant un pigment et une zéolite hydrophobe
EP1417978A1 (fr) 2000-12-28 2004-05-12 Toshiba Lighting & Technology Corporation Dispositif desodorisant
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