US20120277364A1 - Tyre repair sealing composition - Google Patents

Tyre repair sealing composition Download PDF

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Publication number
US20120277364A1
US20120277364A1 US13/305,237 US201113305237A US2012277364A1 US 20120277364 A1 US20120277364 A1 US 20120277364A1 US 201113305237 A US201113305237 A US 201113305237A US 2012277364 A1 US2012277364 A1 US 2012277364A1
Authority
US
United States
Prior art keywords
latex
sealing composition
synthetic
synthetic latex
natural
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
US13/305,237
Other languages
English (en)
Inventor
Sergio Lolli
Erika Leri
Fabrizio Ardissone
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.)
Tek Global SRL
Original Assignee
Tek Global SRL
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 Tek Global SRL filed Critical Tek Global SRL
Priority to US13/305,237 priority Critical patent/US20120277364A1/en
Publication of US20120277364A1 publication Critical patent/US20120277364A1/en
Priority to US14/561,683 priority patent/US9115270B2/en
Abandoned legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L7/00—Compositions of natural rubber
    • C08L7/02—Latex
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
    • B29C73/16—Auto-repairing or self-sealing arrangements or agents
    • B29C73/163—Sealing compositions or agents, e.g. combined with propellant agents
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/05—Alcohols; Metal alcoholates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L21/00—Compositions of unspecified rubbers
    • C08L21/02—Latex
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08L9/06—Copolymers with styrene
    • C08L9/08—Latex
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
    • C09K3/1006—Materials in mouldable or extrudable form for sealing or packing joints or covers characterised by the chemical nature of one of its constituents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2030/00—Pneumatic or solid tyres or parts thereof
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/05—Alcohols; Metal alcoholates
    • C08K5/053—Polyhydroxylic alcohols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L13/00—Compositions of rubbers containing carboxyl groups
    • C08L13/02—Latex
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L7/00—Compositions of natural rubber
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08L9/10—Latex

Definitions

  • the present invention relates to a tyre repair sealing composition.
  • Tyre punctures are known to be repaired with sealing composition, which is injected into the tyre to repair the puncture from the inside and make the tyre airtight.
  • sealing compositions in which a rubber, normally natural rubber, latex is mixed with adhesive and antifreeze.
  • Sealing compositions of this sort have the drawback, if kept for long periods of time, of the latex and adhesive particles combining to form a creamy composition which, when dispensed, clogs the dispenser valve and fails to repair the puncture properly.
  • compositions containing no adhesive are also known, but which also result in clogging of the dispenser valve.
  • FIG. 1 shows a comparison, relative to formula D described below (carboxylated synthetic latex and ethylene glycol), of a sample settled for 48 hours in contact with air (test 9 ) and a sample settled for 2 hours and tested immediately (test 10 );
  • FIG. 2 shows a pressure-time graph of the 0% synthetic latex formula in Example 4.
  • FIG. 3 shows a pressure-time graph of the 10% synthetic latex formula in Example 4.
  • FIG. 4 shows a pressure-time graph of the 25% synthetic latex formula in Example 4.
  • FIG. 5 shows a pressure-time graph of the 50% synthetic latex formula in Example 4.
  • FIG. 6 shows a pressure-time graph of the 75% synthetic latex formula in Example 4.
  • FIG. 7 shows a pressure-time graph of a 5% synthetic latex formula hot-tested as in Example 5;
  • FIG. 8 shows a pressure-time graph of a 10% synthetic latex formula hot-tested as in Example 5;
  • FIG. 9 shows a pressure-time graph of a 15% synthetic latex formula hot-tested as in Example 5.
  • FIG. 10 shows a pressure-time graph of a 20% synthetic latex formula hot-tested as in Example 5.
  • the synthetic latex has a mean particle size of 0.04 to 0.5 ⁇ m, and was advantageously used to manufacture a sealing composition.
  • This formula provides for considerably stabilizing the sealing composition and so preventing particle aggregation, while at the same time maintaining excellent sealing power characteristic of natural-latex-based compositions.
  • a synthetic latex particle diameter with a mean particle-size distribution of 0.05-0.3 ⁇ m was found to be preferable, and even more preferable with a particle-size distribution of 0.1.
  • the sealing composition preferably comprises 40 to 70% of natural latex, 10 to 20% of synthetic latex, and 20 to 50% of ethylene glycol. More preferably, the composition comprises:
  • the synthetic latex has a gelation rate, measured by Mallon mechanical stability testing based on JIS-K6387, of preferably at least 25%, and more preferably of over 50%, and is advantageously selected from the group comprising styrene-butadiene and carboxylated styrene-butadiene.
  • the natural latex used gave excellent results when deproteinized.
  • the sealing composition may also comprise 0.5-3%, preferably 1-2%, of a polyurethane latex, which has a further stabilizing effect.
  • the sealing composition may also comprise additives, such as an antioxidant, preferably in the amount of 0.05-3% and more preferably 0.1-1.5%, and a stabilizing agent, preferably in the amount of 0.2-3% and more preferably 0.5-2%.
  • additives such as an antioxidant, preferably in the amount of 0.05-3% and more preferably 0.1-1.5%, and a stabilizing agent, preferably in the amount of 0.2-3% and more preferably 0.5-2%.
  • formula E was included in the tests to study the product in conditions independent of storage and transport-induced chemical-physical variations, which may strongly affect a highly variable natural-latex-based product.
  • the test system simulating the composition dispenser system comprised a compressor, a gauge, and a system for supporting the composition container. These were integrated with a pressure gauge and a flow gauge to monitor pressure and flow throughout testing.
  • the composition When the compressor is activated, the composition is expelled from the cartridge and flows along the system's silicone tube, to the end of which the valve is screwed. As soon as the composition in the cartridge runs out, air is supplied to inflate the tyre. The composition expelled from the cartridges is collected in a container. The test lasts roughly 5 minutes, which is more than enough to reach a final tyre pressure of about 2.5 bars (35 PSI).
  • Testing was carried out using samples prepared at the time of testing, and the results were compared with those of the same compositions prepared long before testing, to evaluate the settling effect on the samples.
  • FIG. 1 shows the comparison, relative to formula D (carboxylated synthetic latex and ethylene glycol), of the sample settled for 48 hours in contact with air (test 9 ) and the sample settled for 2 hours and tested immediately (test 10 ).
  • the sample left longer in contact with air produces a higher pressure peak at injection, and generally maintains a higher pressure than the non-settled sample with no contact with air.
  • hot testing generally records lower injection pressures (lower peaks).
  • the punctured tyre was then repaired using the dispenser system (each time with a cartridge of the desired composition) and covering the area recommended in the handbook to ensure effective repair.
  • tyre pressure is checked after testing and again after 24 hours to detect any failed repairs not detected at first.
  • Formula D showed the best performance application-wise, with fairly narrow injection pressure peaks and much lower maximum values than the other two cases, and even the pressure increase after injection was much more gradual, thus indicating a not too excessive rise in pressure, i.e. the composition flows smoothly into the tyre through the valve, even during normal use of the kit.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Sealing Material Composition (AREA)
US13/305,237 2008-02-18 2011-11-28 Tyre repair sealing composition Abandoned US20120277364A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13/305,237 US20120277364A1 (en) 2008-02-18 2011-11-28 Tyre repair sealing composition
US14/561,683 US9115270B2 (en) 2008-02-18 2014-12-05 Tyre repair sealing composition

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
ITTO20080120 ITTO20080120A1 (it) 2008-02-18 2008-02-18 Composizione sigillante per la riparazione di pneumatici
ITTO2008A000120 2008-02-18
PCT/IB2008/003645 WO2009104050A1 (fr) 2008-02-18 2008-12-30 Composition d'étanchéité pour la réparation de pneus
US201113076984A 2011-03-31 2011-03-31
US13/305,237 US20120277364A1 (en) 2008-02-18 2011-11-28 Tyre repair sealing composition

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US201113076984A Continuation 2008-02-18 2011-03-31

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/561,683 Continuation US9115270B2 (en) 2008-02-18 2014-12-05 Tyre repair sealing composition

Publications (1)

Publication Number Publication Date
US20120277364A1 true US20120277364A1 (en) 2012-11-01

Family

ID=40291995

Family Applications (2)

Application Number Title Priority Date Filing Date
US13/305,237 Abandoned US20120277364A1 (en) 2008-02-18 2011-11-28 Tyre repair sealing composition
US14/561,683 Active US9115270B2 (en) 2008-02-18 2014-12-05 Tyre repair sealing composition

Family Applications After (1)

Application Number Title Priority Date Filing Date
US14/561,683 Active US9115270B2 (en) 2008-02-18 2014-12-05 Tyre repair sealing composition

Country Status (6)

Country Link
US (2) US20120277364A1 (fr)
EP (1) EP2250012B1 (fr)
CN (2) CN105082581A (fr)
ES (1) ES2395490T3 (fr)
IT (1) ITTO20080120A1 (fr)
WO (1) WO2009104050A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015089754A1 (fr) 2013-12-18 2015-06-25 Top Alliance Technology Limited Composition d'agent d'obturation
US9566443B2 (en) 2013-11-26 2017-02-14 Corquest Medical, Inc. System for treating heart valve malfunction including mitral regurgitation
US10159571B2 (en) 2012-11-21 2018-12-25 Corquest Medical, Inc. Device and method of treating heart valve malfunction
US10307167B2 (en) 2012-12-14 2019-06-04 Corquest Medical, Inc. Assembly and method for left atrial appendage occlusion
US10314594B2 (en) 2012-12-14 2019-06-11 Corquest Medical, Inc. Assembly and method for left atrial appendage occlusion
US10813630B2 (en) 2011-08-09 2020-10-27 Corquest Medical, Inc. Closure system for atrial wall
US10842626B2 (en) 2014-12-09 2020-11-24 Didier De Canniere Intracardiac device to correct mitral regurgitation

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20101031A1 (it) * 2010-12-21 2012-06-22 Tek Global Srl Composizione sigillante per la riparazione di pneumatici
JP5874843B2 (ja) * 2013-03-27 2016-03-02 横浜ゴム株式会社 タイヤパンクシール材及びこれを用いるタイヤパンク修理キット
CN103497730B (zh) * 2013-10-10 2014-09-17 郑燕娜 轮胎修复剂及其制备方法
CN104927343A (zh) * 2015-06-08 2015-09-23 广西柳州高昭贸易有限公司 一种轮胎修补液的配方
CN104927120A (zh) * 2015-06-08 2015-09-23 广西柳州高昭贸易有限公司 一种轮胎修补专用液
CN104927493A (zh) * 2015-06-08 2015-09-23 广西柳州高昭贸易有限公司 一种轮胎修补液的制备工艺
CN104987560A (zh) * 2015-06-08 2015-10-21 广西柳州高昭贸易有限公司 一种轮胎修补液的制造方法
CN104927111A (zh) * 2015-06-08 2015-09-23 广西柳州高昭贸易有限公司 一种轮胎修补液的制造工艺
CN104927341A (zh) * 2015-06-08 2015-09-23 广西柳州高昭贸易有限公司 一种轮胎修补液的调配方法
CN104927119A (zh) * 2015-06-08 2015-09-23 广西柳州高昭贸易有限公司 一种轮胎修补液的配制方法
CN104927342A (zh) * 2015-06-08 2015-09-23 广西柳州高昭贸易有限公司 一种轮胎修补液的调配工艺
CN104927344A (zh) * 2015-06-08 2015-09-23 广西柳州高昭贸易有限公司 一种轮胎修补液的制备方法
ITUA20164483A1 (it) * 2016-06-17 2017-12-17 Tek Global Srl Composizione sigillante per la riparazione di pneumatici
JP7074949B2 (ja) * 2016-07-08 2022-05-25 角一化成株式会社 パンクシーリング剤
WO2018156036A1 (fr) 2017-02-23 2018-08-30 Aircom Automotive Sp. Z.O.O. Sp. K. Composition d'étanchéité pour pneumatiques
CN107474335A (zh) * 2017-05-24 2017-12-15 新昌县泰如科技有限公司 一种适用于极限高温环境的补胎液及其制备方法
WO2018225373A1 (fr) * 2017-06-09 2018-12-13 株式会社ブリヂストン Composition de caoutchouc, composition de caoutchouc réticulé, article en caoutchouc et pneu
EP4257345A1 (fr) * 2022-04-06 2023-10-11 Henkel AG & Co. KGaA Utilisation d'un matériau d'auto-rétablissement pour la formation d'un sachet composé d'un film

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Publication number Priority date Publication date Assignee Title
CN1062363A (zh) * 1990-12-11 1992-07-01 王海峰 特效自动补胎液
US6176285B1 (en) * 1996-12-17 2001-01-23 Sumitomo Rubber Industries, Ltd. Preparation for the sealing of tires with punctures, apparatus for the sealing and pumping up of tires and tires with an integrated sealing preparation
JP2006328180A (ja) * 2005-05-25 2006-12-07 Bridgestone Corp シーリング剤の製造方法

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CA1226178A (fr) * 1982-07-14 1987-09-01 Firestone Tire & Rubber Company (The) Poudres de caoutchouc, leur production et leur emploi
DE19549592C5 (de) * 1995-07-11 2006-12-14 Sumitomo Rubber Industries Ltd., Kobe Vorrichtung zum Abdichten und Aufpumpen von Reifen bei Pannen
US5856376A (en) * 1996-03-29 1999-01-05 Nch Corporation Tire puncture sealant
JP3751729B2 (ja) * 1996-12-04 2006-03-01 住友ゴム工業株式会社 パンクシーリング剤
JP2001198986A (ja) * 2000-01-17 2001-07-24 Sumitomo Rubber Ind Ltd タイヤのパンクシーリング剤
JP4575622B2 (ja) * 2001-05-31 2010-11-04 住友ゴム工業株式会社 パンクシール剤の廃棄方法
CN100379834C (zh) * 2002-11-27 2008-04-09 株式会社普利司通 补胎剂
WO2004048493A1 (fr) * 2002-11-27 2004-06-10 Bridgestone Corporation Agent d'obturation de perforation
JP2005120272A (ja) * 2003-10-17 2005-05-12 Sumitomo Rubber Ind Ltd タイヤのパンクシーリング剤
CN1737073A (zh) * 2005-07-12 2006-02-22 张桂和 汽车补胎胶水

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062363A (zh) * 1990-12-11 1992-07-01 王海峰 特效自动补胎液
US6176285B1 (en) * 1996-12-17 2001-01-23 Sumitomo Rubber Industries, Ltd. Preparation for the sealing of tires with punctures, apparatus for the sealing and pumping up of tires and tires with an integrated sealing preparation
JP2006328180A (ja) * 2005-05-25 2006-12-07 Bridgestone Corp シーリング剤の製造方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10813630B2 (en) 2011-08-09 2020-10-27 Corquest Medical, Inc. Closure system for atrial wall
US10159571B2 (en) 2012-11-21 2018-12-25 Corquest Medical, Inc. Device and method of treating heart valve malfunction
US10307167B2 (en) 2012-12-14 2019-06-04 Corquest Medical, Inc. Assembly and method for left atrial appendage occlusion
US10314594B2 (en) 2012-12-14 2019-06-11 Corquest Medical, Inc. Assembly and method for left atrial appendage occlusion
US9566443B2 (en) 2013-11-26 2017-02-14 Corquest Medical, Inc. System for treating heart valve malfunction including mitral regurgitation
WO2015089754A1 (fr) 2013-12-18 2015-06-25 Top Alliance Technology Limited Composition d'agent d'obturation
US10842626B2 (en) 2014-12-09 2020-11-24 Didier De Canniere Intracardiac device to correct mitral regurgitation

Also Published As

Publication number Publication date
US20150087746A1 (en) 2015-03-26
CN105082581A (zh) 2015-11-25
ITTO20080120A1 (it) 2009-08-19
WO2009104050A1 (fr) 2009-08-27
CN102006987A (zh) 2011-04-06
ES2395490T3 (es) 2013-02-13
EP2250012B1 (fr) 2012-08-15
EP2250012A1 (fr) 2010-11-17
US9115270B2 (en) 2015-08-25
WO2009104050A8 (fr) 2010-01-28

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