[미국특허]
Polyarylene sulfide components for heavy duty trucks
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-001/08
C08L-081/04
C08L-081/02
B32B-005/02
B32B-005/14
B32B-007/12
B32B-015/08
B32B-025/08
B32B-025/14
B32B-025/16
B32B-027/12
B32B-027/18
B32B-027/20
B32B-027/28
B32B-027/30
B32B-027/32
B32B-027/34
F16L-011/08
F16L-011/04
출원번호
US-0804286
(2013-03-14)
등록번호
US-9765219
(2017-09-19)
발명자
/ 주소
Luo, Rong
Zhao, Xinyu
출원인 / 주소
Ticona LLC
대리인 / 주소
Dority & Manning, P.A.
인용정보
피인용 횟수 :
0인용 특허 :
80
초록▼
Components for heavy duty trucks are described that exhibit high strength and flexibility. The components are formed from a polyarylene sulfide that exhibits high strength and flexibility characteristics. Methods for forming the components are also described. Formation methods include dynamic vulcan
Components for heavy duty trucks are described that exhibit high strength and flexibility. The components are formed from a polyarylene sulfide that exhibits high strength and flexibility characteristics. Methods for forming the components are also described. Formation methods include dynamic vulcanization of a polyarylene sulfide composition that includes an impact modifier dispersed throughout the polyarylene sulfide. A crosslinking agent is combined with the other components of the composition following dispersal of the impact modifier throughout the composition. The heavy duty truck components can include tubular member such as pipes and hoses that can be utilized in exhaust systems, charge air systems, urea tanks, fuel systems, and so forth.
대표청구항▼
1. A heavy duty truck component comprising a polyarylene sulfide composition, the polyarylene sulfide composition of the heavy duty truck component being formed by melt processing (i) a linear polyarylene sulfide containing less than about 1 mol. % of cross-linking units based on the total monomer u
1. A heavy duty truck component comprising a polyarylene sulfide composition, the polyarylene sulfide composition of the heavy duty truck component being formed by melt processing (i) a linear polyarylene sulfide containing less than about 1 mol. % of cross-linking units based on the total monomer units of the polyarylene sulfide, (ii) from 20 wt. % to 35 wt. % of an epoxy-functionalized impact modifier, and (iii) from 1.0 wt. % to 1.75 wt. % of a polyfunctional crosslinking agent that includes a dicarboxylic acid, wherein the crosslinking agent is supplied following distribution of the impact modifier with the polyarylene sulfide, and wherein the melt processing forms a crosslinked epoxy-functionalized impact modifier that is a reaction product of epoxy-functionalized monomer units and a polyfunctional crosslinking agent, wherein the polyarylene sulfide composition exhibits an elongation at break of 70% or more as determined in accordance with ISO Test No. 527 at a temperature of 23° C. and at a speed of 50 mm/min. 2. The heavy duty truck component of claim 1, wherein the polyarylene sulfide composition has a notched Charpy impact strength of greater than about 10 kJ/m2 as measured according to ISO Test No. 179-1 a temperature of 23° C. 3. The heavy duty truck component of claim 1, wherein the polyarylene sulfide is polyphenylene sulfide. 4. The component of claim 1, wherein the composition further comprises a filler, UV stabilizer, heat stabilizer, lubricant, colorant, or a combination thereof. 5. The heavy duty truck component of claim 1, wherein a first section of the component comprises the polyarylene sulfide composition, the first section being adjacent to a second section of the component that does not comprise the polyarylene sulfide composition. 6. The heavy duty truck component of claim 1, wherein the composition is free of plasticizers. 7. A heavy duty truck comprising the heavy duty truck component of claim 1. 8. The heavy duty truck component of claim 1, wherein the polyarylene sulfide composition has a notched Charpy impact strength of greater than about 8 kJ/m2 as measured according to ISO Test No. 179-1 a temperature of −30° C. 9. The heavy duty truck component of claim 1, wherein the polyarylene sulfide composition has an elongation at yield of greater than about 4.5% as determined according to ISO Test No. 527 at a temperature of 23° C. and a test speed of 5 mm/min. 10. The heavy duty truck component of claim 1, wherein the polyarylene sulfide composition has a tensile strength at break of greater than about 30 MPa as measured according to ISO Test No. 527 at a temperature of 23° C. and a test speed of 5 mm/min. 11. The heavy duty truck component of claim 1, wherein the polyarylene sulfide composition has a tensile modulus of less than about 3000 MPa as measured according to ISO Test No. 527 at a temperature of 23° C. and a test speed of 5 mm/min. 12. The heavy duty truck component of claim 1, wherein the polyarylene sulfide composition has a halogen content of less than about 1000 ppm. 13. The heavy duty truck component of claim 1, wherein the polyarylene sulfide composition exhibits a permeation resistance to a fuel or a fuel source of less than about 3 g-mm/m2-day as determined according to SAE Testing Method No. J2665. 14. The heavy duty truck component of claim 1, wherein the epoxy-functionalized impact modifier includes methacrylic monomer units. 15. The heavy duty truck component of claim 14, the epoxy-functionalized impact modifier further includes a-olefin monomer units. 16. The heavy duty truck component of claim 1, wherein the dicarboxylic acid includes terephthalic acid. 17. The heavy duty truck component of claim 1, wherein the epoxy-functionalized monomer units include epoxy-functionalized methacrylic monomer units. 18. The heavy duty truck component of claim 1, wherein polyarylene sulfides constitute from about 20% wt. % to about 78.6 wt. % by weight of the composition. 19. The heavy duty truck component of claim 1, wherein the polyarylene sulfide is functionalized. 20. The heavy duty truck component of claim 19, wherein the functionalized polyarylene sulfide is a reaction product of a polyarylene sulfide and a disulfide compound having a reactive functionality. 21. The heavy duty truck component of claim 1, wherein the component includes a tubular member. 22. The heavy duty truck component of claim 1, wherein the component contains an inner layer and an outer layer, at least one of the layers containing the polyarylene sulfide composition. 23. The heavy duty truck component of aim 22, wherein the inner layer contains the polyarylene sulfide composition. 24. The heavy duty truck component of claim 22, wherein the outer layer contains the polyarylene sulfide composition. 25. The heavy duty component of claim 1, wherein the component is an engine block. 26. The heavy duty component of claim 1, wherein the component is an air system coupling. 27. The heavy duty component of claim 1, wherein the component is a urea tank. 28. The heavy duck truck component of wherein the component is an exhaust line. 29. The heavy duck truck component of claim 1, wherein the component is a coiled hose. 30. The heavy duty truck component of claim 1, wherein the polyarylene sulfide composition has a notched Charpy impact strength of greater than about 15 kJ/m2 as measured according to ISO Test No. 179-1 a temperature of 23° C. 31. The heavy duty truck component of claim 1, wherein the polyarylene sulfide composition exhibits an elongation at break of about 80% or more as determined in accordance with ISO Test No. 527 at a temperature of 23° C. and at a speed of 50 mm/min.
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