FIELD: chemistry.
SUBSTANCE: invention relates to polymer-bound refills for writing, drawing and/or painting devices and a method for production thereof. Polymer-bound refill comprises a binder - polylactide, at least one wax, at least one dye and at least one filler.
EFFECT: invention provides environmentally friendly simple or coloured pencils without use of non-renewable natural resources and while preserving the hardness and writing properties of the refill.
18 cl, 4 ex
| Title | Year | Author | Number |
|---|---|---|---|
| SIMPLE OR COLOURED PENCIL | 2015 |
|
RU2689207C2 |
| PENCIL LEAD FOR PAPER | 2015 |
|
RU2700063C2 |
| SIMPLE OR COLORED PENCIL | 2017 |
|
RU2732375C2 |
| WOOD SUBSTITUTE MATERIAL AND USE THEREOF | 2009 |
|
RU2476462C2 |
| WRITING, SCHEMATIC DRAWING, DRAWING OR COSMETIC EQUIPMENT, COMPRISING CELLULAR BODY, AND METHOD FOR MANUFACTURING CELLULAR BODY OR EQUIPMENT COMPRISING CELLULAR BODY | 2012 |
|
RU2581979C2 |
| COLORED CHALK WAX WITH A WATER COLOR EFFECT | 2017 |
|
RU2721641C2 |
| SOLID MARKING COMPOSITION USED AS A MEAN FOR WRITING, A TOOL FOR WRITING, A MARKING LAYER WITH VARYING OPTICAL CHARACTERISTICS AND USAGE OF A SET OF PIGMENTS WITH VARYING OPTICAL CHARACTERISTICS | 2001 |
|
RU2264425C2 |
| 0 |
|
SU1784507A1 | |
| WRITING TOOL AND METHOD FOR PRODUCTION THEREOF | 2016 |
|
RU2677707C1 |
| 0 |
|
SU69189A1 |
