Aqueous organosilicon leather smoothing and clearing agent and its preparation
A slip agent and silicone technology, which is applied in the field of water-based silicone leather slip agent and its preparation, can solve the problems of insufficient leather feel, and achieve the effect of improving the stability of the emulsion and the waterproof performance requirements
Inactive Publication Date: 2005-09-21
上海皮革化工厂
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Problems solved by technology
[0003] There are many kinds of water-based silicone leather slip agents. There are no less than dozens of water-based silicone leather slip agents of different brands at home and abroad. Their composition is nothing more than silicone oil external emulsification or silicone hydrolysis. None of the silicone leather slip agent products can meet the requirements of making the leather bright, durable, smooth, oily and waterproof at the same time. They all focus on a certain performance, so after using the existing products for finishing It is inevitable that there will be some deficiencies in the leather feel
Method used
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Embodiment 1
[0029] Put 15 kg of organosilicon hydroxy silicone oil, 15 kg of organosilicon amino silicone oil and 11 kg of organosilicon polyether modified silicone oil into the reaction kettle, then add 0.2 kg of organic acid catalyst, and catalyze the polymerization reaction at a temperature of 15-30°C for 3 hours. Then add 0.5 kg of additives and react for 1 hour, finally add 184 kg of deionized water to emulsify for 5 hours, filter and pack.
[0030] Some performance indicators of the resulting product are:
[0031] Active ingredient ≤18.0%
[0032] PH value ≥4.0
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This invention provides an aquosity organosilicon leather lubricant for meeting the request of brightness, endurance, dry touch, oil wettability and water-proof at one time, characterized in its active ingredient less than 18.0%, preference at 15-18%, PH higher than 4.0, preference; adopting organosilicon hydroxyl silicon oil, organosilicon amido oil, organosilicon polyether modified oil all catalyzed polymerization by organic acid accelerant, adding some dope, and using ion-free water self-emulsifying method to produce it.
Description
technical field [0001] The invention belongs to the technical field of leather chemical industry, and in particular relates to a water-based silicone leather slip agent and a preparation method thereof. Background technique [0002] Water-based silicone leather slip agent is an important material in the leather production process. It can significantly improve the feel of leather, making leather bright, smooth, and waterproof. The performance of water-based silicone leather slip agent is mainly reflected in Durability, slipperiness, water resistance, and leather feel after finishing. [0003] There are many kinds of water-based silicone leather slip agents. There are no less than dozens of water-based silicone leather slip agents of different brands at home and abroad. Their composition is nothing more than silicone oil external emulsification or silicone hydrolysis. None of the silicone leather slip agent products can meet the requirements of making the leather bright, dura...
Claims
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Inventor 林建平
Owner 上海皮革化工厂
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