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Bituminous binder composition and methods of making and using same

A technology of asphalt binder and composition, which is applied in the direction of roofing using tile/slate, building structure, coagulation pavement laid on site, etc. nature, etc.

Active Publication Date: 2019-08-20
HONEYWELL INT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Unfortunately, current low temperature performance additives are not always as effective as desired in increasing the flexibility and ductility of asphalt materials at lower temperatures, and often impair the high temperature performance properties of asphalt materials, even with the addition of high temperature performance additives
On the other hand, current high-temperature performance additives are not always as effective as desired in reducing permanent deformation, creep, and rutting at high temperatures, and often impair the low-temperature performance properties of asphalt materials, even with the addition of low-temperature performance additives

Method used

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  • Bituminous binder composition and methods of making and using same
  • Bituminous binder composition and methods of making and using same
  • Bituminous binder composition and methods of making and using same

Examples

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Embodiment

[0043] Paving type bituminous binder compositions comprising bitumen and various polymer blends as specified below were prepared and subjected to experimental procedures to determine their performance ratings:

[0044] The Mw of each polymer used in the following examples is as follows:

[0045] TITAN 7686 (oxidized HDPE): Mw=8800g / mol; 77% crystallinity

[0046] TITAN 7278 (MAPP): Mw = 8560 g / mol; 56% crystallinity

[0047] TITAN 7212 (PE homopolymer): Mw=2950g / mol; 84% crystallinity

[0048] TITAN 7387 (PE homopolymer): Mw=2575g / mol; 100% crystallinity

[0049] The general procedure used to prepare the sample asphalt binder composition is as follows: melt the asphalt (PG64-22) in a pint can in a hot oven set at 140 °C; (2) melt the asphalt can from The oven was transferred to the heating mantle; (3) the heating mantle was set at a temperature of 190 °C; (4) the low shear mixer was lowered into the asphalt sample; (5) the low shear mixer was turned on and set Mixing speed...

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Abstract

A bituminous binder composition comprising bitumen and a polymer blend is provided, wherein the polymer blend comprises oxidized high density polyethylene and is selected from the group consisting of maleic anhydride grafted polypropylene, polyethylene homopolymer, high Another polymer of crystalline polyethylene and its combinations. Paving and roofing materials comprising the aforementioned bituminous binder composition and aggregate material are also provided. Methods of making and using the asphalt binder compositions are also provided.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Application 61 / 924,582, filed January 7, 2014, under 35 USC 119(e). technical field [0003] The present disclosure generally relates to asphalt binder compositions and methods of making and using the same. More specifically, asphalt binder compositions comprising asphalt and polymer blends containing specific polyolefins are provided, as well as methods of making and using such asphalt binder compositions. Background technique [0004] Asphalt mixtures are commonly used as paving materials for road construction and maintenance. Typically, asphalt, commonly referred to as asphalt binder, asphalt paste, or bitumen, is mixed with aggregate to form the material used in asphalt paving. Processing and use of this material produces asphalt pavements. More specifically, asphalt pavements comprise aggregates held in a continuous phase of an asphalt binder by the adhesion...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L95/00C08L23/02C08L23/26C04B26/26
CPCE01C7/18C08L2555/80C08J2395/00C08L95/00C08J3/005C08J3/203C08L2207/062C08L2555/22C08L2555/86C08J2423/26C08J2423/30E04D1/00C08L23/06C08L23/30C08L23/147C08L23/26C08L51/06C08L2555/20C08J2323/26C08J3/20C08J3/00C08J2323/06C08L2205/025C08J2323/30
Inventor S·M·黑克阮永宏林祈安
Owner HONEYWELL INT INC