초록 ▼

A composition is described, encompassing a constituent selected from the group consisting of a modified resin acid (I), a fatty acid (II) and a mixture composed of a modified resin acid (I) and of a fatty acid (II), where the degree of neutralization of the constituent is from 104 to 165%. Its use f

A composition is described, encompassing a constituent selected from the group consisting of a modified resin acid (I), a fatty acid (II) and a mixture composed of a modified resin acid (I) and of a fatty acid (II), where the degree of neutralization of the constituent is from 104 to 165%. Its use for the production of microgels is also described.

대표청구항 ▼

1. A process for the production of a microgel, comprising: polymerizing, via emulsion polymerization, monomers in the presence of an emulsifier, wherein said emulsifier comprises a mixture of a modified resin acid and a fatty acid, wherein the degree of neutralisation of the mixture is from 106 to 1

1. A process for the production of a microgel, comprising: polymerizing, via emulsion polymerization, monomers in the presence of an emulsifier, wherein said emulsifier comprises a mixture of a modified resin acid and a fatty acid, wherein the degree of neutralisation of the mixture is from 106 to 145%, thereby forming said microgel. 2. The process according to claim 1, wherein the monomers are selected from the group consisting of conjugated dienes, vinylaromatic monomers, crosslinking monomers, and monomers containing hydroxy groups. 3. The process according to claim 1, further comprising after said polymerization, coagulation of the microgel at temperatures above the glass transition temperature of the microgel. 4. The process according to claim 3, wherein the coagulation is carried out at a temperature which is higher by at least 10° C. than the glass transition temperature of the microgel. 5. The microgel obtained by the process according to claim 1. 6. The microgel according to claim 5, wherein said microgel has more than 70% by weight gel content. 7. The microgel according to claim 5, wherein the microgel has a swelling index of less than 30. 8. The microgel according to claim 5, wherein the microgel has more than 0.1% by weight content of copolymerised monomers containing hydroxy groups. 9. The microgel according to claim 8, wherein the microgel has a hydroxy number greater than 0.5.