Abstract: The present disclosure relates to a writing instrument comprising a lead, wherein the lead comprises at least about 0.5 wt.-% ZrO2, relative to the total weight of the lead, in particular wherein the lead comprises less than about 0.5 wt.-%, more specifically less than about 0.2 wt.-% and in particular substantially no or no TiO2.

Abstract: A body for a writing, tracing, drawing or coloring pencil has a composition that includes, by weight, with respect to the total weight of the body between 50% and 95% of a mixture of polylactic acid and of polybutylene succinate in a polylactic acid/polybutylene succinate ratio by weight of between 90/10 and 60/40 and between 5% and 50% of filler that can have shellfish shells and/or calcium carbonate. A writing, tracing, drawing or coloring pencil has such a body.

Abstract: The present disclosure relates to a writing instrument comprising a lead comprising a binder, a filler and a coloring agent, wherein the binder comprises a cellulose ester, wherein said cellulose ester comprises one or more acetate moieties and one or more ester moieties selected from C3-carboxylates, more specifically from propionate moieties.

Abstract: There is a lead casing for pencil for writing, drawing, marking, plotting, and/or coloring, made of a composition having, by weight relative to the total weight of the lead casing for pencil: a) from 50 to 95% of a mixture of polylactic acid and polybutylene adipate terephthalate in a weight ratio polylactic acid/polybutylene adipate terephthalate ranging from 60/40 to 90/10, and b) from 5 to 40% of vegetable fillers chosen in the group consisting of wood fibers. There is also a pencil including the lead casing for the pencil of the disclosure for writing, drawing, marking, plotting, and/or coloring, as well as a method for manufacturing such a pencil.

Abstract: A handle for razor is made of polylactic acid (PLA) and another bioplastic polymer such as polybutylene adipate terephtalate (PBAT), bio-polyethylene (bio-PE), and polybutylene succinate (PBS), combined with mineral fillers selected from the group of calcium carbonate and shells of shellfish, such as oyster shells or scallop shells.

Abstract: A handle for razor is made of polylactic acid (PLA) and another bioplastic polymer such as polybutylene adipate terephtalate (PBAT), bio-polyethylene (bio-PE), and polybutylene succinate (PBS), combined with mineral fillers selected from the group of calcium carbonate and shells of shellfish, such as oyster shells or scallop shells.

Abstract: There is a lead casing for pencil for writing, drawing, marking, plotting, and/or coloring made of a composition having, by weight relative to the total weight of the lead casing for pencil: a) from 50 to 95% of a mixture of polylactic acid and polybutylene adipate terephthalate in a weight ratio polylactic acid/polybutylene adipate terephthalate ranging from 60/40 to 90/10, and b) from 5 to 40% of mineral fillers chosen in the group consisting of shellfish shells, more specifically oyster shells, and even more specifically milled oyster shells. There is also a pencil including the lead casing for the pencil of the disclosure, for writing, drawing, marking, plotting, and/or coloring as well as a method for manufacturing such a pencil.

Abstract: The present invention relates to a polymer-based extendable lead or refill for writing, drawing and/or painting tools comprising a binder comprising a mixture of polylactide with at least one polymer having a flexural modulus inferior to the flexural modulus of polylactide and at least one filler. It also relates to writing, drawing and/or painting tool, advantageously a pencil, comprising lead or a refill according to the invention and to the use of a binder comprising a mixture of polylactide with at least one polymer having a flexural modulus inferior to the flexural modulus of polylactide according to the invention to improve the vividness of polymer-based extrudable lead or refill for writing, drawing and/or painting tools.

Abstract: A body for a writing, tracing, drawing or coloring pencil has a composition that has, by weight, with respect to a total weight of the body between 50% and 95% of a mixture of polylactic acid and polybutylene succinate in a polylactic acid/polybutylene succinate ratio by weight of between 90/10 and 60/40 and between 5% and 50% of filler that includes an organic filler, such as wood fibers. A writing, tracing, drawing or coloring pencil includes such a body.

Abstract: There is a lead casing for pencil for writing, drawing, marking, plotting, and/or coloring, made of a composition having, by weight relative to the total weight of the lead casing for pencil: a) from 50 to 95% of a mixture of polylactic acid and bio-polyethylene in a weight ratio polylactic acid/bio-polyethylene ranging from 60/40 to 90/10, and b) from 5 to 40% of vegetable fillers chosen in the group consisting of wood fibers. There is a pencil including the lead casing for the pencil of the disclosure for writing, drawing, marking, plotting, and/or coloring as well as a method for manufacturing such a pencil.

Abstract: There is a lead casing for pencil for writing, drawing, marking, plotting, and/or coloring. The casing is made of a composition having, by weight relative to the total weight of the lead casing for pencil: a) from 50 to 95% of a mixture of polylactic acid and bio-polyethylene in a weight ratio polylactic acid/bio-polyethylene ranging from 60/40 to 90/10, and b) from 5 to 40% of mineral fillers chosen in the group consisting of shellfish shells, more specifically oyster shells, and even more specifically milled oyster shells. There is also a pencil including the lead casing of the disclosure for writing, drawing, marking, plotting, and/or coloring, as well as a method for manufacturing such a pencil.

Abstract: There is a lead casing for pencil for writing, drawing, marking, plotting, and/or coloring. The casing is made of a composition having, by weight relative to the total weight of the lead casing for pencil: a) from 50 to 95% of a mixture of polylactic acid and bio-polyethylene in a weight ratio polylactic acid/bio-polyethylene ranging from 60/40 to 90/10, and b) from 5 to 40% of mineral fillers chosen in the group consisting of shellfish shells, more specifically oyster shells, and even more specifically milled oyster shells. There is also a pencil including the lead casing of the disclosure for writing, drawing, marking, plotting, and/or coloring, as well as a method for manufacturing such a pencil.

Abstract: There is a lead casing for pencil for writing, drawing, marking, plotting, and/or coloring, made of a composition having, by weight relative to the total weight of the lead casing for pencil: a) from 50 to 95% of a mixture of polylactic acid and polybutylene adipate terephtalate in a weight ratio polylactic acid/polybutylene adipate terephtalate ranging from 60/40 to 90/10, and b) from 5 to 40% of vegetable fillers chosen in the group consisting of wood fibers. There is also a pencil including the lead casing for the pencil of the disclosure for writing, drawing, marking, plotting, and/or coloring, as well as a method for manufacturing such a pencil.

Abstract: There is a lead casing for pencil for writing, drawing, marking, plotting, and/or coloring, made of a composition having, by weight relative to the total weight of the lead casing for pencil: a) from 50 to 95% of a mixture of polylactic acid and bio-polyethylene in a weight ratio polylactic acid/bio-polyethylene ranging from 60/40 to 90/10, and b) from 5 to 40% of vegetable fillers chosen in the group consisting of wood fibers. There is a pencil including the lead casing for the pencil of the disclosure for writing, drawing, marking, plotting, and/or coloring as well as a method for manufacturing such a pencil.

Abstract: There is a lead casing for pencil for writing, drawing, marking, plotting, and/or coloring made of a composition having, by weight relative to the total weight of the lead casing for pencil: a) from 50 to 95% of a mixture of polylactic acid and polybutylene adipate terephtalate in a weight ratio polylactic acid/polybutylene adipate terephtalate ranging from 60/40 to 90/10, and b) from 5 to 40% of mineral fillers chosen in the group consisting of shellfish shells, more specifically oyster shells, and even more specifically milled oyster shells. There is also a pencil including the lead casing for the pencil of the disclosure, for writing, drawing, marking, plotting, and/or coloring as well as a method for manufacturing such a pencil.

Abstract: A body for a writing, tracing, drawing or coloring pencil has a composition that includes, by weight, with respect to the total weight of the body between 50% and 95% of a mixture of polylactic acid and of polybutylene succinate in a polylactic acid/polybutylene succinate ratio by weight of between 90/10 and 60/40 and between 5% and 50% of filler that can have shellfish shells and/or calcium carbonate. A writing, tracing, drawing or coloring pencil has such a body.

Abstract: A body for a writing, tracing, drawing or coloring pencil has a composition that has, by weight, with respect to a total weight of the body between 50% and 95% of a mixture of polylactic acid and polybutylene succinate in a polylactic acid/polybutylene succinate ratio by weight of between 90/10 and 60/40 and between 5% and 50% of filler that includes an organic filler, such as wood fibers. A writing, tracing, drawing or coloring pencil includes such a body.

Abstract: A pencil lead and a pencil containing the pencil lead wherein the pencil lead is polymer-based, extrudable, non-expanded, non-calcined and comprises graphite, of which 25% to 100% by weight or 50% to 100% by weight of the graphite, in relation to the total weight of the graphite, is expanded graphite.

Abstract: There is a polymer-based extrudable non-calcined pencil lead having a lamellar mineral filler having a lamellarity index greater than 2.8, advantageously greater than 3.5, in particular greater than 4. There is also a pencil having such a lead and the use of a lamellar mineral filler having a lamellarity index greater than 2.8 to improve the flexural resistance and/or the smoothness, and/or the vividness of a polymer-based extrudable non-calcined pencil lead.

Abstract: The present disclosure provides a handle for razor made of polylactic acid (PLA) with another bioplastic polymer such as polybutylene adipate terephtalate (PBAT), bio-polyethylene (bio-PE), and polybutylene succinate (PBS), combined with vegetable fillers chosen in the group consisting of wood, wheat, flax, and seagrass. The present disclosure also provides a method for manufacturing such handle, a razor including such handle, and a skincare kit including such handle.