Rubber-Modified Aromatic Vinyl Resins

1、RUBBER

专利名称：RUBBER-MODIFIED AROMATIC VINYL COPOLYMER RESIN AND PROCESS FOR PRODUCING THE SAME 发明人：WATANABE ATSUSHI,渡邊淳,SHIMIZU NORIHIRO,清水紀弘,OTSUKA TAKESHI,大塚健史

2、Rubber

(57) The object of the invention is to provide, as an a general resin composition excellent in balance between impact resistance and transparency, a rubber-modified aromatic vinyl resin composition which, when formed into a sheet item, allows the anisotropy of its strength to be lowered.

3、RUBBER

To obtain a rubber-modified aromatic vinyl-based resin composition excellent in balance in properties between impact resistance and gloss and capable of being utilized in various uses such as electronic equipment and a household electric appliance by performing a radical polymerization of an aromatic vinyl monomer using a specific gummy polymer.

4、Rubber modified vinyl ester resins of different molecular

The morphology, as well as the related fracture and mechanical behavior of vinyl ester resins (DVER) of different molecular weights cured with styrene (S) and modified with two different liquid rubbers are presented and discussed.

5、WO/1997/016489 RUBBER

A rubber-modified aromatic vinyl resin composition having the following characteristics: (a) the composition contains 4 to 20 % by weight of a rubbery polymer; (b) the rubbery polymer is dispersed in an aromatic vinyl polymer in the form of particles having a weight-mean diameter of 0.4 to 0.8 μm; (c) the 5 % value of the weight-based diameter ...

PROCESS FOR THE PREPARATION OF RUBBER

[0001] This invention relates to a process for preparing rubber-modified aromatic vinyl resin compositions composed of rubber-modified aromatic vinyl resins and aromatic vinyl resins containing styrenic units and (meth)acrylate units.

Morphology of rubber‐modified vinyl ester resins cured at different

The morphologies of styrene (St) crosslinked divinylester resins (DVER) modified with elastomers were analyzed. The primary focus of this study was on the effect of the molecular weight of the resins, the reactivity of the elastomeric modifiers, and the temperature of curing.

Mechanical behavior and structure of rubber modified vinyl

The main objectives of this work are morphological characterization of vinyl ester/reactive rubber systems and investigation of the mechanical and fracture behavior of these systems. Additional studies focused on rubber endcapped vinyl ester in the absence and presence of added reactive rubber.

(PDF) Liquid rubber modified vinyl ester resins: fracture and

The fracture and mechanical behavior of vinyl ester resins (DVER) cured with styrene (S) and modi®ed with two different liquid rubbers has been determined and related to the microstructure of the resulting modi®ed thermosets.

PROCESS FOR THE PREPARATION OF RUBBER

Within the vast realm of modern material science, aromatic vinyl resins stand out as premier polymeric materials due to their unique chemical structures, superior physical properties, and environmentally friendly characteristics. In particular, rubber-modified aromatic vinyl resins have gained irreplaceable status in industrial applications because of their exceptional comprehensive performance.

Aromatic vinyl resins are thermosetting polymers synthesized from aromatic compounds and vinyl monomers. Their molecular chains contain abundant aromatic rings, endowing them with excellent heat resistance, chemical corrosion resistance, and mechanical strength. These properties have led to widespread use in automotive coatings, electronic encapsulation materials, architectural coatings, and other fields. traditional aromatic vinyl resins tend to degrade at high temperatures, limiting their application in high-performance scenarios.

To address this limitation, scientists turned to rubber-modification technology. Rubber modification involves incorporating a rubber phase to enhance polymer properties, such as heat resistance, chemical resistance, and mechanical strength. Rubber-modified aromatic vinyl resins—composites formed by integrating rubber with aromatic vinyl resins—have emerged as innovative material solutions.

Research on rubber-modified aromatic vinyl resins began in the last century, but this field has rapidly advanced only recently, driven by progress in nanotechnology and surface engineering. Studies revealed that when rubber particles are dispersed at the nanoscale within the aromatic vinyl resin matrix, the material’s heat resistance, chemical stability, mechanical strength, and wear resistance are significantly improved. Additionally, these composites exhibit excellent processability, enabling easy molding into complex shapes.

In practice, rubber-modified aromatic vinyl resins are widely used in aerospace, automotive manufacturing, electronics, construction, and other sectors. For example, in the automotive industry, they are employed to produce engine hoods, bumpers, and doors, which withstand extreme temperatures and environmental conditions while providing sound insulation and thermal protection. In electronics, circuit board protective sleeves made from these materials maintain circuit stability and extend service life under high temperatures.

Beyond traditional applications, rubber-modified aromatic vinyl resins play critical roles in emerging fields. With the growth of renewable energy and electric vehicles, their potential in solar panels, wind turbine components (as insulation or protective layers), and electric vehicle battery enclosures (due to their superior heat and chemical resistance) is substantial.

Looking ahead, growing demand for high-performance and eco-friendly materials will drive broader applications of rubber-modified aromatic vinyl resins. Ongoing research may also yield revolutionary new variants, further advancing technological and societal progress.

rubber-modified aromatic vinyl resins, as an innovative material, hold immense future potential. With deepening research and technological advancements, they are poised to play increasingly vital roles in high-tech industries, contributing significantly to human advancement.