Composition for resisting tooth sensitivity, preparation method and application thereof, and oral care product containing composition
A technology for tooth sensitivity and oral care, applied in the field of oral care, can solve problems such as failure of bioactive glass, and achieve the effects of improving bioavailability, resisting erosion, and isolating water molecules
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Embodiment 1
[0035] The present embodiment provides an anti-tooth sensitivity composition, comprising the following components by weight: 0.1 part of calcium sodium phosphosilicate, 0.5 part of PVM / MA copolymer, 5 parts of potassium nitrate, 0.1 part of sodium fluoride and PEG400 95 parts; The particle diameter of calcium sodium phosphosilicate in the present embodiment is 10~50nm.
[0036] The preparation method of calcium sodium phosphosilicate in the present embodiment is: take by weight SiO 2 42 parts, CaO 20 parts, K 2 O 15 parts and P 2 o 5 5 parts, mix the components and put them at 1450°C for 70 minutes to get a uniform mixture, place the resulting mixture in a normal temperature water bath to quench it, dry it, crush it, and grind it to a particle size of 10-50nm Particles, that is, to obtain the calcium sodium phosphosilicate.
Embodiment 2
[0038] The present embodiment provides an anti-tooth sensitivity composition, comprising the following components by weight: 1 part of calcium sodium phosphosilicate, 3 parts of PVM / MA copolymer, 7 parts of potassium nitrate, 4 parts of sodium fluoride and PEG -60 85 parts of hydrogenated castor oil; the particle diameter of calcium sodium phosphosilicate in the present embodiment is 10~50nm.
[0039] The preparation method of calcium sodium phosphosilicate in the present embodiment is: take by weight SiO 2 42 parts, CaO 20 parts, K 2 O 15 parts and P 2 o 5 5 parts, mix the components and put them at 1450°C for 70 minutes to get a uniform mixture, place the resulting mixture in a normal temperature water bath to quench it, dry it, crush it, and grind it to a particle size of 10-50nm Particles, that is, to obtain the calcium sodium phosphosilicate.
Embodiment 3
[0041] The present embodiment provides an anti-tooth sensitivity composition, comprising the following components by weight: 3 parts of calcium sodium phosphosilicate, 5 parts of PVM / MA copolymer, 8.5 parts of potassium nitrate, 6 parts of sodium fluoride and propylene glycol 77.5 parts; The particle diameter of calcium sodium phosphosilicate in the present embodiment is 10~50nm.
[0042] The preparation method of calcium sodium phosphosilicate in the present embodiment is: take by weight SiO 2 42 parts, CaO 20 parts, K 2 O 15 parts and P 2 o 5 5 parts, mix the components and put them at 1450°C for 70 minutes to get a uniform mixture, place the resulting mixture in a normal temperature water bath to quench it, dry it, crush it, and grind it to a particle size of 10-50nm Particles, that is, to obtain the calcium sodium phosphosilicate.
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