Water-based environment-friendly high-flame-retardant solvent-free embossed grain-absorbed synthetic leather and preparation method thereof
A solvent-free, high flame-retardant technology, applied in the field of water-based polyurethane synthetic leather, can solve problems such as weak three-dimensional effect, limited number of uses, and inability to meet the flame-retardant effect, and achieve good toughness and physical properties, and clear and full texture.
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Embodiment 1
[0031] Preparation of solvent-free component A: Mix polyether polyol WANOL®F3156 and polyether polyol WANOL®F2030 at a ratio of 7:3, add 5% small molecule chain extender, 0.8% foaming agent, 2% foam stabilizer, 0.07% catalyst, 10% magnesium hydroxide, 20% phosphorus-based flame retardant NP1060, added to the batching barrel, and fully mixed evenly under vacuum defoaming conditions; solvent-free B component is isocyanate prepolymer; solvent-free A Components and solvent-free component B are added to the AB storage tank of the dry-line solvent-free pouring machine, and the flow rate and stirring speed and the proportion parameters of component A and component B are set;
[0032] Mix aromatic polyether resin JF-PDY-841A and aliphatic polyether resin Tekspro®5215 at 8:2, add 3% color paste, 1% wetting and leveling agent SY-8009A, 0.5% nitrogen Propidium cross-linking agent ST100, 0.5% thickener VesmodyTM506, and fully mixed evenly, the viscosity of the obtained prepared resin is 4...
example 2
[0036] Preparation of solvent-free component A: Mix polyether polyol WANOL®F3156 and polyether polyol WANOL®F2030 at a ratio of 7:3, add 5% small molecule chain extender, 0.8% foaming agent, 2% foam stabilizer, 0.07% catalyst, 30% phosphorus-based flame retardant NP1060, added to the batching tank, fully mixed under vacuum defoaming conditions; B component is isocyanate prepolymer; solvent-free A component and solvent-free B component Add it to the AB storage tank of the dry line solvent-free pouring machine, set the flow rate and stirring speed, and the proportion parameters of component A and component B;
[0037] Mix aromatic polyether resin JF-PDY-841A and aliphatic polyether resin Tekspro®5215 at 8:2, add 3% color paste, 1% wetting and leveling agent SY-8009A, 0.5% nitrogen Propidium cross-linking agent ST100, 0.5% thickener VesmodyTM506, and fully mixed evenly, the viscosity of the prepared resin obtained is 4500cps. The prepared surface layer resin is coated on plain p...
example 3
[0041] Preparation of solvent-free component A: Mix polyether polyol WANOL®F3156 and polyether polyol WANOL®F2030 at a ratio of 6:4, add 5% small molecule chain extender, 0.8% foaming agent, 2% foam stabilizer, Add 0.07% catalyst, 10% magnesium hydroxide, and 20% phosphorus-based flame retardant NP1060 into the batching tank, and mix well under vacuum defoaming conditions; solvent-free component B is isocyanate prepolymer. Add the solvent-free component A and the solvent-free component B into the AB storage tank of the dry-line solvent-free pouring machine, set the flow rate and stirring speed, and the proportion parameters of component A and component B.
[0042] Mix aromatic polyether resin JF-PDY-841A and aliphatic polyether resin Tekspro®5215 at 8:2, add 3% color paste, 1% wetting and leveling agent SY-8009A, 0.5% nitrogen Propidium cross-linking agent ST100, 0.5% thickener VesmodyTM506, and fully mixed evenly, the viscosity of the obtained prepared resin is 4500cps; min ...
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