Industrial waterborne formulations must tolerate process variation, storage, and transportation without failure. EVA–PU systems that rely on a single control factor rarely meet these requirements. Robust formulations balance multiple elements: compatible pH ranges, controlled ionic strength, appropr... read more
Ionic strength is underestimated factors in waterborne formulation stability. Unlike pH, it is not always measured directly, yet it strongly influences particle interactions. In EVA–PU systems, every formulation component contributes to ionic strength: neutralizers, dispersants, surfactants, preserv... read more
Blending order is frequently treated as a processing detail, but in waterborne polymer systems it is a fundamental stability parameter. This is especially true for EVA–anionic PU blends. When PU dispersion is added into EVA latex, the highly charged PU particles encounter a relatively weakly stabili... read more
In many waterborne formulations, pH adjustment is the tool used to address EVA–PU incompatibility. While pH control is important, relying on it alone often leads to short-lived success and delayed failures. Raising EVA latex pH from acidic to near-neutral conditions can reduce immediate instability... read more
Blending EVA latex with anionic polyurethane (PU) dispersions is widely used in waterborne adhesives, coatings, and impregnation systems. However, formulators often encounter instability issues such as flocculation, viscosity increase, or phase separation. While pH is frequently blamed, the root cau... read more
Zhejiang Ruico Advanced Materials Co., Ltd is a professional acrylic resins Manufacturers and flame retardants factory, our company was established in 2012, listed in China on 2019, Ruico is a national high-tech enterprise, Passed ISO9001 quality management system, have provincial-level R&D center, hired academicians, PhD, and other technicians totally 35 people, got 42 patents, the rule-maker of national flame retardant standards.
Application sustainability
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