Coating agent and its use
A coating agent for pencils for writing, sketching or drawing or for cosmetic articles of all kinds, including at least one cellulose fraction, at least one binder, at least one plasticizer, and at least one adhesion promoter, wherein the adhesion promoter is designed as a silane having functional groups.
1. A pencil, comprising: a shaft made of extruded WPC (wood plastic compounds); and a coating on at least a portion of the shaft, wherein the coating includes a coating agent comprising: at least one cellulose fraction; at least one binder; at least one plasticizer; and at least one adhesion promoter; wherein the adhesion promoter is a silane having functional groups, wherein the silane is an organofunctional silane.
2. The pencil according to claim 1 , wherein the silane is an epoxifunctional silane.
3. The pencil according to claim 1 , wherein a content of the silane in the coating agent is 1 to 8% by weight.
4. The pencil agent according to claim 1 , wherein the cellulose fraction includes nitrocellulose in the form of nitrocellulose chips with plasticizer fraction; as pelleted nitrocellulose; or in phlegmatized, moistened form, or combinations thereof.
5. The pencil according to claim 1 , wherein the agent is composed essentially of
cellulose fraction
8 to 22% by weight
solvent
58 to 77% by weight
co-binder
4 to 11% by weight
binder
2 to 7% by weight
plasticizer
3 to 9% by weight
adhesion promoter
1 to 8% by weight
colorant
0 to 8% by weight.