Products

SINTOPOL® are non-reactive polyurethane resins characterized by a special compatibility to nitrocellulose, excellent cohesion, effective adhesion, good solubility, low odour and fast solvent release. They are appropriate for internal and external printing and in the most cases are available in 100% solid content versions, without any volatile solvent.
The SINTOPOL® range consists of resins able to form films with different hardness and viscosity to deal with various printing requirements.

The hardness sequence, from the softest to the hardest, is the following:

PLASTIC FILM: SINTOPOL® SP 75 LV; SINTOPOL® SP 75; SINTOPOL® MD 95; SINTOPOL® MD 100; SINTOPOL® MD 110; SINTOPOL® MD 120
HARD FILM: Generally the softest have the better performance as plastifiers, while the hardest are less flexible and have superior adhesion properties.

SINTOPOL® solubility

SINTOPOL® are easily soluble in all the solvents with a moderate polarity, such as: ketons, esters, ethers, alcohols. Solubility in ethyl alcohol change as the following series:
Solubility in ethyl alcohol: SP 75LV > SP75 > MD95 > MD 100 > MD 110 > MD 120

The inks obtained from SINTOPOL® resins have very fast dry-times (they are suitable also to printing rate higher than 300 m/min), high hot-sealing resistance and good adhesion on a multiplicity of plastic films.

The thermo-sealing resistance of nitrocellulose-based inks modified with SINTOPOL® and Titanium Dioxide can reach 120-130°C for almost 1-2 seconds. Using an appropriate cross-linking catalyst, the thermo resistance could go over 180°C after 24-48 hours. The thermo-resistance increase could be obtained also introducing in the ink formulation, when it is possible, a greater nitrocellulose percentage.

SINTOCHEM produces also hydroxylate polymers for external printing inks with a high gloss degree and scratch resistant:
SINTOPOL® E 222/100% (Saturated Polyester Resin).

Both of these products are currently used in formulation of two components inks (2K) usually cross linked with isocyanate adducts.

All the SINTOPOL®:

  • According to FDA regulations are made with permitted substances for use as components of articles in food packaging (#21- CFR 175.105 ; #21- CFR 175.300).
  • Are produced without Tin catalysts and don’t contains any Tin organic compound.
  • Are produced in agreement to the European community-regulation 90/128 and subsequently revisions.
SS: Solids/Solvent, DF: Film hardness
OH-reactive Resins

SINTOPOL® E222/100%

Partially tri-functional saturated polyester resin for formulation of two-components rotogravure inks. Good gloss and good hiding power.
SS:100%
Polyurethane Resins, Not Reactive for combination with Nitrocelluloses and Ketone Resins

SINTOPOL® DP 50/100%

For production of predisperded and as substitute of monomeric plastifier in Nitro-Urethane systems.
SS:100% , DF: Very soft

SINTOPOL® SP 75/100%

For production of flexo- and rotogravure inks for foodstuff-packaging. Improvement of gloss, blocking-resistance, heatsealresistance, adhesion on PE and on PP. 100% Solid version.
SS:100% , DF: Very soft

SINTOPOL® SP 75/80% E.A.

For production of flexo- and rotogravure inks for foodstuff-packaging. Improvement of gloss, blocking-resistance, heatsealresistance, adhesion on PE and on PP.
SS:80%-Ethylacetate , DF: Very soft

SINTOPOL® SP 75LV/100%

For production of flexo- and rotogravure inks for foodstuff-packaging. Improvement of gloss, blocking-resistance, heatsealresistance, adhesion on PE and on PP. 100% Solid version.
SS:100% , DF: Very soft

SINTOPOL® SP 75LV/80% E.A.

For production of flexo- and rotogravure inks for foodstuff-packaging. Improvement of gloss, blocking-resistance, heatsealresistance, adhesion on PE and on PP.
SS:80%-Ethylacetate , DF: Very soft

SINTOPOL® DP 90/100%

For production of flexo and rotogravure inks. In combination with Nitrocellulose confer good adhesion on PE and on PP. 100% Solid version.
SS:100% , DF: Soft

SINTOPOL® DP 90/75% E.A.

For production of flexo and rotogravure inks. In combination with Nitrocellulose confer good adhesion on PE and on PP.
SS:75%-Ethylacetate , DF: Soft

SINTOPOL® MD 95/100%

For production of flexo and rotogravure inks for foodstuff-packaging but with higher filmhardness. Excellent adhesion on treated polyolefines. Low odour. 100% Solid version.
SS:100% , DF: Soft

SINTOPOL® MD 95/75% E.A.

For production of flexo- and rotogravure inks for foodstuff-packaging but with higher filmhardness. Excellent adhesion on treated polyolefines. Low odour.
SS:75%-Ethylacetate , DF: Soft

SINTOPOL® MD 100/100%

For production of flexo- and rotogravure inks for foodstuff-packaging but with higher filmhardness. Excellent adhesion on treated polyolefines. Low odour. 100% Solid version.
SS:100% , DF: Soft

SINTOPOL® MD 100/80% E.A.

For production of flexo- and rotogravure inks for foodstuff-packaging but with higher filmhardness. Excellent adhesion on treated polyolefines. Low odour.
SS:80%-Ethylacetate , DF: Soft

SINTOPOL® MD 110/75% E.A.

Special type for rotogravure and flexographic inks. Improved heatresistance. Other characteristics as MD100. Suitable for lamination.
SS:75%-Ethylacetate , DF: Hard

SINTOPOL® MD 110/65% E.A.

Special type for rotogravure and flexographic inks. Improved heatresistance. Other characteristics as MD100. Suitable for lamination.
SS:65%-Ethylacetate , DF: Hard

SINTOPOL® MD 120/60% E.A.

Intended for formulation of gravure inks with good adhesion on a wide range of packaging substrates. Other characteristics as MD110.
SS:60%-Ethylacetate , DF: Very Hard

SINTOPOL® DP 160-C/45%E.A.

Special semi-aliphatic PU for flexo and rotogravure inks. Intended for formulation of inks for pasteurizetion with good adhesion on PET and PA.
SS:45%-Ethylacetate , DF: Hard

SINTOPOL® DP 166/42%E.A.

Special semi-aliphatic PU for flexo and rotogravure inks. Intended for formulation of inks for pasteurizetion with good adhesion on PET and PA. With good solubility in Alcohol and good pigment wetting property.
SS:42%-Ethylacetate , DF: Hard

SINTOPOL® DP 266/42%E.A.

Special aliphatic PU for flexo and rotogravure inks. Intended for formulation of inks for pasteurizetion and sterilization with very good adhesion on PE, PET, PP, OPA, Saranized or metalized films, paper and Aluminium. Due to its aliphatic nature, it has a very good resistance to UV. Good solvent release and excellent cohesion in laminations. Non-yellowing under effect of UV rays and the good resistance to saponification.
SS:42%-Ethylacetate , DF: Very Hard

SINTOPOL® DP 180/30%E.A.

Special aliphatic PU for flexo and rotogravure inks. Intended for formulation of inks for pasteurizetion and sterilization with very good adhesion on PE, PET, PP, OPA, Saranized or metalized films, paper and Aluminium. Due to its aliphatic nature, it has a very good resistance to UV. Good solvent release and excellent cohesion in laminations. Non-yellowing under effect of UV rays and the good resistance to saponification. With very High Molecolar Weight and better lamination bond strength. Apt for mono-solvent systems. Modifier apts to viscosity increasing in system inks.
SS:30%-Ethylacetate , DF: Hard