The present invention is a composition including an isobutylene-based copolymer and polybutene. The copolymers may be mixed with an exfoliating compound and clay, the entire composition forming a nanocomposite. The clay may or may not have an additional exfoliating treatment present prior to mixing
The present invention is a composition including an isobutylene-based copolymer and polybutene. The copolymers may be mixed with an exfoliating compound and clay, the entire composition forming a nanocomposite. The clay may or may not have an additional exfoliating treatment present prior to mixing with the interpolymer. The composition of the invention has improved air barrier properties and processing properties, and is suitable as an air barrier. One embodiment of the invention is an elastomeric composition including at least one random copolymer of at least a C4 to C7 isomonoolefin derived unit, at least one filler, and polybutene oil having a number average molecular weight greater than 400. The copolymer may be selected from a halogenated poly(isobutylene-co-p-methylstyrene), a halogenated star-branched butyl rubber, or a halogenated butyl rubber, and mixtures thereof.
대표청구항▼
We claim: 1. An elastomer nanocomposite composition comprising: a matrix of at least one elastomer component comprising a random copolymer comprising a C4 to C7 isomonoolefin derived unit as a continuous phase; carbon black as a dispersed phase; at least one exfoliated clay as a dispersed phase; an
We claim: 1. An elastomer nanocomposite composition comprising: a matrix of at least one elastomer component comprising a random copolymer comprising a C4 to C7 isomonoolefin derived unit as a continuous phase; carbon black as a dispersed phase; at least one exfoliated clay as a dispersed phase; and polybutene oil having a number average molecular weight greater than 400. 2. The composition of claim 1, wherein the composition is a nanocomposite including an exfoliated clay selected from the group consisting of exfoliated natural or synthetic montmorillonite, nontronite, beidellite, volkonskoite, laponite, hectorite, saponite, sauconite, magadite, kenyaite, stevensite, vermiculite, halloysite, aluminate oxides, hydrotalcite, and mixtures thereof, and wherein the composition also comprises a thermoplastic resin containing nitrogen, oxygen, halogen, sulfur or another group capable of interacting with aromatic functional groups in the poly(isobutylene-co-p-methylstyrene). 3. The composition of claim 1, wherein the copolymer is selected from the group consisting of a halogenated poly(isobutylene-co-p-methylstyrene), halogenated star-branched butyl rubber, halogenated butyl rubber, and mixtures thereof. 4. The composition of claim 1, further comprising a thermoplastic resin selected from the group consisting of polyamides, polyimides, polycarbonates, polyesters, polysulfones, polylactones, polyacetals, acrylonitrile-butadiene-styrene resins (ABS), polyphenyleneoxides (PPO), polyphenylene sulfides (PPS), polystyrenes, styrene-acrylonitrile resins (SAN), styrene maleic anhydride resins (SMA), aromatic polyketones (PEEK, PED, and PEKK), and combinations thereof. 5. The composition of claim 1, wherein the polybutene oil has a molecular weight of less than 10,000. 6. The composition of claim 1, wherein the polybutene oil is present from 2 to 40 phr. 7. The composition of claim 1, further comprising a filler selected from the group consisting of calcium carbonate, clay, mica, silica and silicates, talc, titanium dioxide, starch, wood flour, and mixtures thereof. 8. The composition of claim 1, wherein the exfoliated clay is selected from the group consisting of exfoliated natural or synthetic montmorillonite, nontronite, beidellite, volkonskoite, laponite, hectorite, saponite, sauconite, magadite, kenyaite, stevensite, vermiculite, halloysite, aluminate oxides, hydrotalcite, and mixtures thereof. 9. The composition of claim 1, wherein the polybutene oil has a viscosity of from 10 to 6000 cSt at 100�� C. 10. The composition of claim 1, wherein the polybutene oil has a viscosity of from 35 to 5000 cSt at 100�� C. 11. The composition of claim 1, wherein naphthenic oil is substantially absent. 12. The composition of claim 1, wherein the unaged fatigue-to-failure value of the composition is greater than 70,000 units. 13. An elastomer composition comprising: a continuous phase of at least one vulcanized elastomer component comprised of a random copolymer comprising a C4 to C7 isomonoolefin derived unit, at least one filler dispersed therein, at least one exfoliated clay as a dispersed phase; and polybutene processing oil having a number average molecular weight of from 400 to 10,000. 14. The composition of claim 13, wherein the polybutene has a viscosity of from 10 to 6000 cSt at 100�� C. 15. The composition of claim 13, wherein the polybutene is present from 2 to 30 phr. 16. The composition of claim 13, wherein naphthenic oil is substantially absent. 17. The composition of claim 13, wherein the elastomer is a copolymer of a C4 to C7 isoolefin and a p-methylstyrene derived units. 18. The composition of claim 13, wherein the elastomer is halogenated. 19. The composition of claim 13, wherein the filler is carbon black.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (73)
Waddell, Walter Harvey; Poulter, Robert Ryan, Abrasion resistant transparent and colorable elastomeric compositions.
Briddell Brian J. (Jackson MI) Hubbard Michael J. (Jackson MI), Adhesive composition and method for providing water-tight joints in single-ply roofing membranes.
Usuki Arimitsu,JPX ; Kato Makoto,JPX ; Okada Akane,JPX, Composite clay material and method for producing the same, blend material and composite clay rubber using the same and.
Usuki Arimitsu,JPX ; Kato Makoto,JPX ; Okada Akane,JPX, Composite clay material and method for producing the same, blend material and composite clay rubber using the same and production method thereof.
Wang Hsien C. (Edison NJ) Powers Kenneth W. (Berkeley Heights NJ) Puydak Robert C. (Cranbury NJ) Dharmarajan Narayanaswami R. (Highland Park NJ), Dynamically cured thermoplastic olefin polymers and process for producing the same.
Beers Roger N. (Uniontown OH) Benko David A. (Munroe Falls OH) Gross Bill B. (Stow OH) Halasa Adel F. (Bath OH), Halobutyl/solution polymerized SBR innerliner.
Gardner Irwin J. (Scotch Plains NJ) Fusco James V. (Red Bank NJ) Newman Neil F. (Edison NJ) Kowalski Ronald C. (New Providence NJ) Davis William M. (Edison NJ) Baldwin Francis P. (Coupeville WA), Halogenated butyl rubber.
Gardner Irwin J. (Scotch Plains NJ) Fusco James V. (Red Bank NJ) Newman Neil F. (Edison NJ) Kowalski Ronald C. (New Providence NJ) Davis William M. (Edison NJ) Baldwin Francis P. (Coupeville WA), Halogenated butyl rubber.
Powers Kenneth W. (Berkeley Heights NJ) Wang Hsien C. (Edison NJ) Webb Robert N. (Madison NJ) Fusco James V. (Red Bank NJ) Vanbrackle Hans F. (Baker LA) McDonald ; Jr. Michael F. (Greenwell Springs L, Halogenation of star-branched butyl rubber with improved neutralization.
Frechet Jean M. J. (Ithaca NY) Li Dongming (Houston TX) Powers Kenneth William (Berkeley Heights NJ) Wang Hsien-Chang (Bellaire TX) White Donald Andrew (Keasbey NJ), Interpolymer cures of blends comprising halogenated isoolefin/para-alkylstyrene elastomers and unsaturated elastomers.
Wang Hsien-Chang ; Duvdevani Ilan ; Datta Sudhin ; Qian Connie R., Isobutylene based elastomer blends having improved strength elasticity, and reduced permeability.
Duvdevani Ilan (Houston TX) Newman Neil Frederick (Kingwood TX), Low bromine isobutylene-co-4-bromomethylstyrene compositions for severe duty elastomer applications.
Elspass Chester W. ; Peiffer Dennis G. ; Kresge Edward Nathan ; Hsieh Dong-Tsai ; Chludzinski James Joseph ; Liang Keng S., Nanocomposite materials (LAW392).
Powers Kenneth W. (Berkeley Heights NJ) Wang Hsien-Chang (Edison NJ) Chung T-C (State College PA) Dias Anthony J. (Linden NJ) Olkusz Joseph A. (Fanwood NJ), Para-alkylstyrene/isoolefin copolymers and functionalized copolymers thereof.
Cotsakis Daniel John ; Senderling Ronald Lynn ; Shears Nicholas John, Pressure sensitive tape for forming water-tight field joints in rubber membranes.
Gardner Irwin J. (Scotch Plains NJ) Fusco James V. (Red Bank NJ) Baldwin Francis P. (Coupeville WA), Process for preparing improved halogenated butyl rubber.
Powers Kenneth W. (Berkeley Heights NJ) Wang Hsien-Chang (Edison NJ) Handy Debra C. (Basking Ridge NJ) Fusco James V. (Red Bank NJ), Production of rubbery isoolefin polymers.
Powers Kenneth W. (Berkeley Heights NJ) Wang Hsien-Chang (Edison NJ) Handy Debra C. (Basking Ridge NJ) Fusco James V. (Red Bank NJ), Rubbery isoolefin polymers exhibiting improved processability.
De Trano Mario N. (Massillon OH) Hergenrother William L. (Akron OH) Maglio Ralph A. (Wadsworth OH) Roggeman David M. (North Royalton OH), Solution compounding process for achieving uniform, fine particle size dispersion of curing agents.
Hubbard Michael J. (Jackson MI) Briddell Brian J. (Jackson MI) Fisher Dennis K. (Jackson MI), Solvent-based adhesive composition for roofing membranes.
Elspass Chester W. ; Peiffer Dennis George ; Kresge Edward Nathan ; Wright Pamela Jean ; Chludzinski James Joseph ; Wang Hsien Chang, Tactoidal elastomer nanocomposites.
Patel Raman (578 Sun Valley Dr. Akron OH 44313) Abdou-Sabet Sabet (3568 Knollwood La. Akron OH 44313), Thermoplastic vulcanizates from isobutylene rubber and either EPDM or a conjugated diene rubber.
Kresge Edward Nathan (Watchung NJ) Lohse David John (Bridgewater NJ), Tire inner-liners comprising a solid rubber and a complex of a reactive rubber and layered silicate clay.
Costemalle Bernard J. (Rhode St Genese BEX) Fusco James V. (Red Bank NJ) Hous Pierre T. (Steenokkerzeel BEX) Wang Hsien-Chang (Bellaire TX), Tire innerliner comprising ester-functionalized elastomeric interpolymers of C4-C7 isomonoolefin and para-alkylstyrene.
Gong, Caiguo; Neagu, Carmen; Poole, Beverly Jean; Dias, Anthony Jay; Karp, Kriss Randall; Johnston, Molly Westermann, Nanocomposites and methods for making the same.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.