Natural latex composite preservative

• Main Authors: FENG QIWEN, HUANG MAOFANG
• Format: Patent
• Language: Chinese; English
• Published: 14.08.2020
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

The invention discloses a natural latex composite preservative which is composed of aloe juice and sodium (or potassium) mercaptobenzothiazole salt, the weight of the aloe juice is 0.1%-1% of the weight of natural latex and the weight of the sodium (or potassium) mercaptobenzothiazole salt is 0.05%-0.5% of the weight of natural latex. The composite preservative is used as a fresh latex preservative, can effectively preserve fresh latex without deterioration and solidification within 3 days, can maintain the stability of the concentrated natural latex when used as a concentrated natural latex preservative to achieve storage under natural condition for 6 months or longer, the mechanical stability of the concentrated natural latex is not less than 650 seconds, and the volatile fatty acid value is less than 0.06%. 本发明公开了一种天然胶乳复合保存剂，天然胶乳复合保存剂是由芦荟汁液和硫醇基苯并噻唑钠(或钾)盐组成，其用量占天然胶乳重量为：芦荟汁液0.1％～1％，硫醇基苯并噻唑钠(或钾)盐0.05％～0.5％。该复合保存剂作为鲜胶乳保存剂，能有效保存鲜胶乳3天内不变质凝固，作为浓缩天然胶乳保存剂，能保持浓缩天然胶乳的稳定，自然贮存6个月以上，浓缩天然胶乳机械稳定度不小于650秒，挥发脂肪酸值小于0.06％。