Elastomeric articles, compositions, and methods for their production

• Main Authors: PRABHAKARAN KUMARESAN, FOO KHON PU
• Format: Patent
• Language: Chinese; English
• Published: 23.11.2018
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

The application relates to synthetic elastomeric articles, such as gloves, comprising the cured product of a synthetic latex composition, the synthetic latex composition comprising a synthetic carboxylated polymer and a cross-linking composition, the cross-linking composition comprising an aqueous solution of a negatively charged multivalent metal complex ion having a pH of at least 9.0. Also described are compositions for forming the articles, and methods for making the articles, based on the use of the described cross-linking composition. The articles, compositions and methods contain a second cross-linking agent comprising either (a) sulphur and a sulphur donor, (b) a multivalent metal oxide or ionic cross-linking agent, (c) sulphur, a sulphur donor and an ionic cross-linking agent, or(d) sulphur donor. 本申请涉及合成弹性体制品，例如手套，其包含合成胶乳组合物的固化产物，所述合成胶乳组合物包含合成羧化聚合物和交联组合物，所述交联组合物包含pH至少为9.0的带负电荷的多价金属络合离子的水溶液。还描述了基于所描述的交联组合物的用途，用于形成制品的组合物以及用于制备制品的方法。所述制品、组合物和方法包含第二交联剂，所述第二交联剂包含(a)硫和硫供体，(b)多价金属氧化物或离子交联剂，(c)硫、硫供体和离子交联剂，或