Results 31 to 40 of about 85,785,133 (147)

Vulcanization of Elastomers. 44. Vulcanization of Polybutadiene with Cumyl Peroxide. I.

open access: yes, 1965
Cumyl peroxide vucanization of cis-1,4 polybutadiene with 2“3 per cent 1,2 addition was compared with that of natural rubber. The essential findings are: 1) In both rubbers, cumyl peroxide decomposed at exactly the same rate.
Klaus Hummel, Günter Kaiser
core   +1 more source

Can Elastomers Combine Stiffness, Toughness and Fatigue Resistance?

open access: yesAdvanced Materials, EarlyView.
This review studies how the molecular and macroscopic architecture of elastomers influence their mechanical properties including: stiffness, stretchability, toughness, fatigue resistance, and damping behavior. By linking the structure to performance, it proposes design principles for advanced elastomeric systems that combine mechanical properties ...
Eva Baur, Esther Amstad
wiley   +1 more source

Solid State 13C NMR Analysis of Vulcanized Rubbers XVI. The Competitive Vulcanization of Natural Rubber and Polybutadiene Blends

open access: yes, 1997
Solid state 13C NMR was used to study the competitive vulcanization of blends of natural rubber and high cis polybutadiene. A NMR sampling technique utilizing the stacked homopolymers was developed that helps to determine the spectral differences ...
J. L. Koenig, B. Klei
core   +1 more source

High‐Performance Piezoresistive Sensors via Pd/Sn‐Free Graphene‐Catalyzed Metallization of Thermally Repairable Microfiber Scaffolds

open access: yesAdvanced Science, EarlyView.
The multilayer fiber‐based PGC sensor, fabricated via graphene‐mediated electroless copper deposition, demonstrates high sensitivity, mechanical durability, and fast response speed. Additionally, it features low‐temperature thermal assisted recovery and thermal resistance, providing a promising platform for wearable electronic devices and IoT ...
ByungJun Kim   +5 more
wiley   +1 more source

"Progress in inorganic nano-fillers reinforced cis-1,4-polybutadiene rubber composites "

open access: yesHecheng xiangjiao gongye
The mechanical properties of unmodified cis-1,4-polybutadiene rubber were not satisfactory, and different types of reinforcing agents had different effects on the mechanical properties of cis-1,4-polybutadiene rubber.
ZHANG Tong-kai1, SONG Ao-han1, DING Shi-zhe1, DENG Fang-jian2
doaj   +1 more source

"Preparation of high vinyl polybutadiene/sepiolite nanocomposite

open access: yes, 2022
High vinyl polybutadiene / sepiolite nanocomposites were prepared by in-situ polymerization using sepiolite as catalyst carrier for the coordination polymerization of butadiene catalyzed by molybdenum-based catalyst.
WANG Xiao-tong, XIE Ting-hao, TANG Jian, HUA Jing
core   +1 more source

Multicomponent Molecular Editing of Polybutadiene: From Design Space to Battery Function

open access: yesAdvanced Science, EarlyView.
Multicomponent molecular editing transforms polybutadiene into an 18‐member polymer library with tunable thermal properties, nanoscale organization, and molecular dynamics. Mapping this multidimensional design space reveals distinct molecular input–property relationships and guides the selection of a candidate electrolyte additive for lithium–sulfur ...
Janna Jeschke   +8 more
wiley   +1 more source

Styrene and its natural analogues: accumulation and sustainable production methods

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract Styrene, also known as vinyl benzene, is a colourless, highly volatile petrochemical that serves as a key monomer in the production of polystyrene and styrene‐butadiene rubber. Its industrial synthesis via the alkylation of benzene with ethylene relies on fossil fuels, requiring high temperatures and toxic catalysts that contribute to ...
Mwafaq Ibdah   +6 more
wiley   +1 more source

The CBS-Accelerated Sulfuration of Natural Rubber and Cis-1,4-Polybutadiene

open access: yes, 1972
The results of characterization of the natural rubber vulcanizates are consistent with the results of characterization of the sulfidic products from 2-methylpent-2-ene. In both the model olefin system and the rubber system the initially formed crosslinks
T. D. Skinner
core   +1 more source

Robust β‐myrcene block copolymer elastomeric vitrimers

open access: yesPolymer International, EarlyView.
Myrcene‐based vitrimeric elastomers were compared: statistical (poly(styrene‐stat‐myrcene‐stat‐AAEMA)] versus ‘hard–soft’ diblock (poly(styrene)‐block‐poly(myrcene‐co‐AAEMA)). The diblock's ability to anchor the glassy poly(styrene) blocks in a self‐assembled microstructure was effective – leading to four times higher tensile stress and ten times ...
Chong Yang Du   +2 more
wiley   +1 more source

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