US20080293877A1 - Fireproof Composition - Google Patents

Fireproof Composition Download PDF

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Publication number
US20080293877A1
US20080293877A1 US12/090,560 US9056006A US2008293877A1 US 20080293877 A1 US20080293877 A1 US 20080293877A1 US 9056006 A US9056006 A US 9056006A US 2008293877 A1 US2008293877 A1 US 2008293877A1
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US
United States
Prior art keywords
composition
carbon nanotubes
weight
fire
resistant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US12/090,560
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English (en)
Inventor
Michael Alexandre
Philippe Dubois
Myriam Devalckenaere
Michael Claes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanocyl SA
Original Assignee
Nanocyl SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanocyl SA filed Critical Nanocyl SA
Priority to US12/090,560 priority Critical patent/US20080293877A1/en
Assigned to NANOCYL S.A. reassignment NANOCYL S.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ALEXANDRE, MICHAEL, DEVALCKENAERE, MYRIAM, DUBOIS, PHILIPPE, CLAES, MICHAEL
Publication of US20080293877A1 publication Critical patent/US20080293877A1/en
Abandoned legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/12—Polysiloxanes containing silicon bound to hydrogen
    • 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
    • C08K3/04—Carbon
    • C08K3/041—Carbon nanotubes
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/045—Polysiloxanes containing less than 25 silicon atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/80—Siloxanes having aromatic substituents, e.g. phenyl side groups

Definitions

  • the present invention concerns a composition comprising a reticulated polymer and carbon nanotubes as well as a method of making use of this composition.
  • the composition according to the invention has surprising viscosimetric and fire-resistant properties that allow it to be used respectively in the form of a fire-resistant protective coating and in the form of a fireproof seal.
  • the seals must have particular properties of viscosity. On the one hand they must be flexible enough so as to be easily applied and on the other hand they must be then fixed enough to retain their shape while following any possible deformations of the materials that they link.
  • Another problem is that of fire resistance of the materials over time and in particular in the field of aeronautics.
  • An attempt is usually made to increase the fire resistance of certain metal parts of an airplane by applying a coating so as to delay the heating up of the metal part that it protects as much as possible.
  • seals that link the fire-resistant materials together offer moreover another angle of attack for the fire. These seals, which are not or hardly fireproof in comparison with the materials that they link, may indeed begin to melt well before the critical temperature level of the materials is reached. In this case, the advantage of the fireproof material is reduced.
  • Traditional fire-resistant coatings are normally polymers highly filled with inert material or filled with a substance likely to react to the heat and to form a passivation layer protecting the metal parts from a too fast heating.
  • the disadvantage of the use of this type of coating is the fact that the quantity of the required filler is normally higher than 10%, which has the effect of altering the mechanical properties of the polymers used and of making them less flexible. But a fire-resistant coating has to follow the movements and thermal expansion of the elements to which it is applied. If not, cracks may appear and offer points of attack for the fire.
  • the present invention aims at providing a composition and a method for obtaining a coating or a seal which does not have the disadvantages of the compositions of the state of the art.
  • the present invention aims at providing a composition which contains a small quantity of additional filler and which is flexible and easy to apply.
  • the present invention also aims at providing a coating which gives the elements on which it is applied an excellent heat resistance and a seal that also resists heat very well so as to keep attached all the elements that it holds together.
  • the present invention also proposes a method for obtaining such a fire-resistant coating or seal.
  • the present invention discloses a fire-resistant composition containing reticulated polysiloxane and raw carbon nanotubes with a value of bound rubber greater than or equal to 15 grams per gram of carbon nanotube, said carbon nanotubes representing 0.05 and 1% of the total weight of said composition.
  • the invention has one or more of the following characteristics:
  • the percentage by weight of said raw carbon nanotubes is between 0.25 and 0.5% of the total weight of said composition
  • the consistency of the polysiloxane is suitable for an application by brush or extrusion gun
  • the raw carbon nanotubes are chosen from among the group of single-wall carbon nanotubes (SWNTs), double-wall carbon nanotubes (DWNTS) or multi-wall carbon nanotubes (MWNTS).
  • SWNTs single-wall carbon nanotubes
  • DWNTS double-wall carbon nanotubes
  • MWNTS multi-wall carbon nanotubes
  • the invention also discloses a method for obtaining a composition as in Claim 1 comprising the following stages:
  • the method has the following characteristics:
  • the invention moreover discloses:
  • FIG. 1 shows the increase in viscosity of the precursor of the polymer according to the quantity of the filler for composites containing either carbon nanotubes or clay fillers.
  • FIG. 2 shows the variation in viscosity of the precursor of the polymer according to the quantity of the filler for composites containing carbon nanotubes of various types.
  • FIG. 3 shows the variation in viscosity of the precursor of the polymer according to the percentage by weight of the carbon nanotubes for composites containing carbon nanotubes of various purities.
  • FIG. 4 shows schematically the interactions between the carbon nanotubes and the polymer matrix.
  • FIG. 5 shows the values from the bound rubber test of a polysiloxane-based composition comprising a PDMS matrix containing vinyl groups according to the carbon nanotubes from various producers.
  • the NC 7000, NC 9000, NC 3100 and NC 3101 carbon nanotubes produced by the inventor of the present invention are respectively multi-wall carbon nanotubes that are raw (NC 7000), coated in polyethylene (NC 9000), purified (NC 3100) and purified, then functionalised with COOH (NC 3101).
  • FIG. 6 shows the fire test bench in use.
  • FIG. 7 is a schematic representation of the test bench of FIG. 6 .
  • FIG. 8 shows schematically a mould used to produce aluminium plates coated with the fire-resistant coating according to the invention.
  • FIG. 9 shows the increase in temperature of an aluminium plate without any coating and of an aluminium plate covered with a coating according to the invention (thickness between 2 and 4 mm) containing 1% by weight of nanotubes of SWNT or MWNT types.
  • FIG. 10 shows the increase in temperature of an aluminium plate without any coating and of aluminium plates covered with a coating (thickness between 2 and 4 mm) containing 0.256 and 0.5% by weight of nanotubes of MWNT type.
  • FIG. 11 shows the increase in temperature of an aluminium plate without any coating and of aluminium plates covered with a coating (thickness between 2 and 4 mm) containing 0.5% and 1.0% by weight of nanotubes of MWNT type of different purities.
  • FIG. 12 shows the link between the temperature measured in the centre of the test plate and that measured at one end of this same plate for various fire-resistant compositions (thickness between 2 and 4 mm).
  • FIG. 13 shows the increase in temperature of an aluminium plate covered with a coating (thickness 2.3 mm and a flame temperature of 1,070° C.) containing 0.05% by
  • the test sample keeps its temperature below 250° C. for up to 60 minutes.
  • raw nanotubes we mean carbon nanotubes that have not gone through any post-synthesis treatment such as a possible purification by acid and/or base treatment, a reheating at high temperature, a cutting, a dispersion etc.
  • the invention proposes in an original manner the use of raw carbon nanotubes with a value greater than or equal to 15 grams per gram of carbon nanotubes in the “bound rubber” test in a reticulated polysiloxane-based polymer.
  • the raw carbon nanotubes are nanotubes that have not gone through any post-synthesis treatment.
  • the polymer used is the Slygard 184 of Dow Corning, a resin that reticulates by hydrosilylation at high temperature.
  • resin that reticulates by hydrosilylation we mean a resin obtained from two precursors of a polysiloxane type, one containing vinyl groups and the other containing hydrosilane groups.
  • the reticulation which occurs at 105° C., consists of a reaction of addition of the hydrosilane groups to the vinyl groups ( FIG. 1 ).
  • composition of the Slygard 184 resin of Dow Corning is given in Table 1 and the chemical structure of the constituents is given in FIGS. 2 to 5 .
  • FIG. 1 The effect of the carbon nanotubes on the viscosity of the constituents of the polymer, in which they are incorporated, in particular that of precursor A, is shown in FIG. 1 .
  • the viscosity of precursor A containing multi-wall carbon nanotubes is noticeably increased in comparison with more traditional compositions containing clay fillers.
  • the viscosity of precursor A varies according to various parameters such as the size, diameter and purity of the carbon nanotubes.
  • FIG. 5 compares the results from the bound rubber test for carbon nanotubes from various producers. It appears clearly that the Nanocyl raw carbon nanotube achieves a significantly higher value in comparison with the other nanotubes.
  • precursor A with a low filler of carbon nanotubes allow this precursor to be applied by brush so as to coat the surface of a material. Surprisingly, even with this low filler level of carbon nanotubes, the composition obtained after reticulation shows a significant fire-resistant effect.
  • the capacity for fire resistance of the composition according to the invention has been studied by means of a test based on the ISO 2685 test used in aeronautics.
  • the test is performed with the aid of a 5 cm-diameter Bunsen burner ( FIG. 6 ).
  • the aluminium plate covered or not covered with the composition with a surface of 145*145 mm and a thickness of 4 mm, is placed 2 cm above the burner. It is held by two horizontal metal bars positioned at each end of the plate.
  • a thermocouple continuously measures the temperature at the centre of the plate on the side with uncoated aluminium.
  • the fire test is timed and the temperature is recorded every two or three minutes.
  • the burner's heating power is determined by the following method: the temperature of the flame is first measured, then a known quantity of water (for example 700 cl or 700 g) is heated on the flame in a crystallising dish positioned at a height equivalent to that where the plate is positioned, and its temperature is recorded at regular intervals (for example every 15 seconds). A graph of the water temperature according to time can then be drawn. According to the following formula, the heating power (P heat ) is expressed in kW:
  • dT/dt corresponds to the gradient of the curve of the temperature according to time
  • C Pwater 4.185 kJ /kg ⁇ K
  • m water corresponds to the mass of water expressed in kg.
  • the heating power is measured and a fresh aluminium plate is tested.
  • the temperature of the supported thermocouple in contact with the top of the plate is measured every two or three minutes. The following observations are then noted: presence or absence of smokes, detachment of a piece or of a layer of the coating, the appearance of the coating, the start of incurvation of the plate.
  • the test ends when the thermocouple breaks through the plate or the plate curves in until it touches the burner. If that does not occur after 90 minutes of testing, the test is stopped.
  • a graph of the change in temperature of the plate according to time is drawn, thus allowing the comparison of several formulations and the identification of the most effective ones.
  • the elements, to which the fire-resistant composition according to the invention is applied and which are preferably aluminium plates are preferably produced by means of a mould ( FIG. 8 ).
  • the mould is assembled by means of 24 screws (not all of which are shown) positioned on the contour and the spacing rods.
  • the aluminium plates are preferably produced in a place thermostatically controlled to 20° C. and which has a humidity level of between 50 and 65%.
  • precursor A which includes:
  • compositions on aluminium plates for example in the form of a coating, may be done according to various embodiments.
  • a first method of applying the coating consists of spraying the composition according to the invention over the aluminium plates of a size of 145*145 mm. This represents 120 g of composition per plate.
  • a second method of applying the coating consists of casting the composition according to the invention over the aluminium plates coated with primer. The surface is then levelled with a spatula in order to obtain the right thickness of coating. In this method, the top part of the mould ( FIG. 8 ) is not attached.
  • a third method of applying the coating consists of applying the composition according to the invention with a brush.
  • the thicknesses of coating thus obtained are 3 or 4 mm for the first and second methods of applying the coating and 2 mm for the third embodiment.
  • FIGS. 9 to 11 show, the fire resistance of an aluminium plate covered with a composition containing carbon nanotubes is significantly improved in comparison with a bare aluminium plate or with an aluminium plate covered with the polymer only.
  • compositions containing 1% by weight of carbon nanotubes ( FIG. 9 ) a distinction may be made between the various carbon nanotubes used. Those that give a better fire resistance are, in order of importance, DWNTs (double-wall nanotubes), MWNTs and lastly “thin MWNTs.” Moreover, it appears clearly from the results in FIG. 9 , that it is the carbon nanotubes referred to as “raw,” whether they be MWNTs or thin MWNTs, that provide a better fire resistance over time. These “raw” carbon nanotubes are nanotubes that have not gone through any post-synthesis treatment and which have a great affinity with the polysiloxane matrix.
  • FIG. 13 shows that the protective effect of the aluminium plate is still clearly present for a period of 60 minutes.
  • the application of a stress or a pressure to a polymer composition changes its viscosity. It is then possible to select the filler level of carbon nanotubes that corresponds to the desired viscosity for using the composition according to the invention in an extrusion gun of a sealing or mastic gun type. In such a device, the pressure applied to the piston changes the viscosity of the composition and makes it more fluid, allowing it to be easily applied. As soon as the pressure stops, the viscosity of the product changes again and the composition congeals and no longer flows.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Nanotechnology (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)
  • Sealing Material Composition (AREA)
  • Fireproofing Substances (AREA)
US12/090,560 2005-10-28 2006-10-03 Fireproof Composition Abandoned US20080293877A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/090,560 US20080293877A1 (en) 2005-10-28 2006-10-03 Fireproof Composition

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US73100805P 2005-10-28 2005-10-28
US73136305P 2005-10-28 2005-10-28
US78002206P 2006-03-06 2006-03-06
US12/090,560 US20080293877A1 (en) 2005-10-28 2006-10-03 Fireproof Composition
PCT/BE2006/000108 WO2007048208A2 (fr) 2005-10-28 2006-10-03 Composition resistante au feu

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/BE2006/000108 A-371-Of-International WO2007048208A2 (fr) 2005-10-28 2006-10-03 Composition resistante au feu

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US13/681,695 Division US9290676B2 (en) 2005-10-28 2012-11-20 Fireproof composition

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US20080293877A1 true US20080293877A1 (en) 2008-11-27

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US12/090,560 Abandoned US20080293877A1 (en) 2005-10-28 2006-10-03 Fireproof Composition
US13/681,695 Active 2027-11-02 US9290676B2 (en) 2005-10-28 2012-11-20 Fireproof composition

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US (2) US20080293877A1 (pl)
EP (1) EP1940939B1 (pl)
JP (1) JP5094728B2 (pl)
KR (1) KR101319693B1 (pl)
CN (1) CN101296981B (pl)
ES (1) ES2394219T3 (pl)
PL (1) PL1940939T3 (pl)
WO (1) WO2007048208A2 (pl)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100003528A1 (en) * 2006-08-31 2010-01-07 Cambridge Enterprise Limited Nanomaterial Polymer Compositions and Uses Thereof
US20110163280A1 (en) * 2006-08-31 2011-07-07 Cambridge Enterprise Limited Optical Nanomaterial Compositions
WO2011124606A1 (en) 2010-04-08 2011-10-13 Viba S.P.A. Flame retardant masterbatch for thermoplastic polymers and process for its production
WO2012032550A1 (en) 2010-09-10 2012-03-15 Viba S.P.A. Flame retardant masterbatch for thermoplastic polymers and process for its production
US20160229983A1 (en) * 2013-10-17 2016-08-11 Shin-Etsu Chemical Co., Ltd. Silicone gel composition and silicone gel cured product

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008025962A1 (en) * 2006-08-31 2008-03-06 Cambridge Enterprise Limited Nanomaterial polymer compositions and uses thereof
CN102604383B (zh) * 2012-02-16 2013-07-10 苏州大学 碳纳米管/热固性树脂复合材料及其制备方法
WO2019112228A1 (ko) * 2017-12-08 2019-06-13 주식회사 엘지화학 전도성 실리콘 조성물 및 이에 의해 제조된 실리콘 복합재

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US4431264A (en) * 1979-10-09 1984-02-14 Raychem Corporation Fluorosiloxane optical cladding
US20050154116A1 (en) * 2002-03-20 2005-07-14 Nagy Janos B. Nanocomposite: products, process for obtaining them and uses thereof

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US3884866A (en) * 1973-04-13 1975-05-20 Gen Electric High strength organopolysiloxane compositions
JP4122160B2 (ja) * 2002-01-30 2008-07-23 出光興産株式会社 ポリカーボネート樹脂組成物および成形体
EP1801164B1 (en) * 2002-01-30 2009-04-22 Idemitsu Kosan Co., Ltd. Thermoplastic resin composition, polycarbonate resin composition, and molded article thereof
WO2003070821A2 (en) * 2002-02-20 2003-08-28 Electrovac Fabrikation Elektrotechnischer Speziala Flame retardant polymer composites and method of fabrication
JP4196779B2 (ja) * 2003-08-12 2008-12-17 東海ゴム工業株式会社 電子写真機器用導電性組成物の製法
JP2005162822A (ja) * 2003-12-01 2005-06-23 Bridgestone Corp 複合樹脂材料
JP2005220316A (ja) * 2004-02-09 2005-08-18 Tokai Rubber Ind Ltd 電子写真機器用導電性組成物およびその製法、ならびにそれを用いた電子写真機器用導電性部材

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
US4431264A (en) * 1979-10-09 1984-02-14 Raychem Corporation Fluorosiloxane optical cladding
US20050154116A1 (en) * 2002-03-20 2005-07-14 Nagy Janos B. Nanocomposite: products, process for obtaining them and uses thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100003528A1 (en) * 2006-08-31 2010-01-07 Cambridge Enterprise Limited Nanomaterial Polymer Compositions and Uses Thereof
US20110163280A1 (en) * 2006-08-31 2011-07-07 Cambridge Enterprise Limited Optical Nanomaterial Compositions
US8323789B2 (en) * 2006-08-31 2012-12-04 Cambridge Enterprise Limited Nanomaterial polymer compositions and uses thereof
WO2011124606A1 (en) 2010-04-08 2011-10-13 Viba S.P.A. Flame retardant masterbatch for thermoplastic polymers and process for its production
WO2012032550A1 (en) 2010-09-10 2012-03-15 Viba S.P.A. Flame retardant masterbatch for thermoplastic polymers and process for its production
US20160229983A1 (en) * 2013-10-17 2016-08-11 Shin-Etsu Chemical Co., Ltd. Silicone gel composition and silicone gel cured product
US9631062B2 (en) * 2013-10-17 2017-04-25 Shin-Etsu Chemical Co., Ltd. Silicone gel composition and silicone gel cured product

Also Published As

Publication number Publication date
CN101296981A (zh) 2008-10-29
CN101296981B (zh) 2012-04-04
KR20080068827A (ko) 2008-07-24
PL1940939T3 (pl) 2013-01-31
ES2394219T3 (es) 2013-01-23
WO2007048208A2 (fr) 2007-05-03
JP5094728B2 (ja) 2012-12-12
JP2009513754A (ja) 2009-04-02
WO2007048208A3 (fr) 2007-08-16
KR101319693B1 (ko) 2013-10-17
EP1940939B1 (fr) 2012-08-29
EP1940939A2 (fr) 2008-07-09
US9290676B2 (en) 2016-03-22
US20130142960A1 (en) 2013-06-06

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Owner name: NANOCYL S.A., BELGIUM

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CLAES, MICHAEL;DUBOIS, PHILIPPE;DEVALCKENAERE, MYRIAM;AND OTHERS;REEL/FRAME:020819/0270;SIGNING DATES FROM 20080317 TO 20080331

STCB Information on status: application discontinuation

Free format text: ABANDONED -- AFTER EXAMINER'S ANSWER OR BOARD OF APPEALS DECISION