A kind of paste for PVC foam wallpaper, PVC foam wallpaper and preparation method thereof
A foam wall and paste technology, which is applied in the field of PVC foam wallpaper paste, can solve the problems of lack of foam promoting function, high product taste, pollution of production environment, etc., and achieves good foam promoting dual function and good thermal stability. properties, improve thermal stability
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Embodiment 1
[0044] The preparation of potassium / zinc liquid heat stabilizer: (1) by weight percentage, 12% isooctanoic acid, 15.7% oleic acid and 32% D80 mineral spirits are mixed, add 12% benzoic acid at 65 ℃, add 7.4% again After potassium hydroxide is dissolved, add 14.6% zinc oxide to dissolve; (2) heat up to 115°C, stir for 90 minutes to complete the reaction until the solution is clear and transparent without particles; (3) cool down to 80°C, add 4.8% Mark1500 and 1.2% Sonox 1076, keep warm for 30 minutes to get potassium / zinc liquid heat stabilizer.
[0045] Preparation of PVC foam wallpaper:
[0046] (1) In parts by weight, send 3 parts of potassium / zinc liquid heat stabilizer, 40 parts of DOP plasticizer, and 2 parts of cell finishing agent into the mixer, mix evenly, and add 100 parts of PVC under stirring Paste resin, and then grind it one or two times with a three-roller grinder to make PVC paste resin;
[0047] (2) Add 4 parts of foaming agent to 20 parts of DOP plasticizer...
Embodiment 2
[0051] The preparation method of potassium / zinc liquid heat stabilizer is identical with embodiment 1.
[0052] Preparation of PVC foam wallpaper:
[0053] (1) In parts by weight, send 3.5 parts of potassium / zinc liquid heat stabilizer, 40 parts of DOP plasticizer, and 3.5 parts of cell finishing agent into the mixer, mix evenly, and add 100 parts of PVC under stirring Paste resin, and then grind it one or two times with a three-roller grinder to make PVC paste resin;
[0054] (2) Add 5 parts of foaming agent to 20 parts of DOP plasticizer to dissolve, then add the dissolved foaming agent, 32 parts of heavy calcium carbonate, and 4.5 parts of viscosity reducing agent into PVC paste resin, and then Grinding with a grinder to obtain a paste for PVC foam wallpaper;
[0055] (3) Use a scraper to evenly apply 0.9mm thick PVC foam wallpaper paste on the bottom paper or cloth. By adjusting the gap between the scraper and the coating wheel, the amount of coating can be accurately ad...
Embodiment 3
[0058] The preparation of potassium / zinc liquid heat stabilizer: (1) by weight percentage, 22.4% octanoic acid, 20.8% oleic acid and 15.6% D80 solvent naphtha are mixed, add 9.8% benzoic acid at 65 ℃, add 7.4% hydrogen again After potassium oxide is dissolved, add 11% zinc oxide to dissolve; (2) heat up to 110°C-120°C, stir for 90 minutes to complete the reaction until the solution is clear and transparent without particles; (3) cool down to 80°C-90°C, Add 11.2% Mark1500, 1.8% Sonox 1076, and keep warm for 30 minutes to obtain potassium / zinc liquid heat stabilizer.
[0059] Preparation of PVC foam wallpaper:
[0060] (1) In parts by weight, 2.5 parts of potassium / zinc liquid heat stabilizer, 44 parts of DOP plasticizer, and 2 parts of cell finishing agent are sent into the mixer, mixed evenly, and 100 parts of PVC are added under stirring Paste resin, and then grind it one or two times with a three-roller grinder to make PVC paste resin;
[0061] (2) Add 3.5 parts of foaming...
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