What is the difference between epoxidized linseed oil and solvent?

Epoxy linseed oil as a new type of plasticizer, plasticizing process in plastics can be seen as the resin and plasticizer low molecular compounds dissolve each other in the process, but epoxy linseed oil is different from general solvents, solvents will be volatile in the process, while epoxy linseed oil is required to remain in the polymer over a long period of time, and does not react chemically with the resin, and the resin to form a solid.

The reason why plasticizers play a plasticizing effect, the key is to make the polymer interactions weakened to reduce the melting temperature of the resin to improve the fluidity of the resin in the molten state and product softness, can play such a role in the material are called plasticizers. Plasticizers added to polymer materials, without changing its basic chemical properties, reduce its melt viscosity, glass transition temperature and elasticity of the touch, thereby improving its processability, and improve the flexibility of products and tensile properties.

Epoxy linseed oil added to increase the softness of the plastic, flexural, cold resistance and elongation, reduce the hardness of the plastic, modulus, glass transition temperature, melting point, softening temperature or flow temperature, so that the viscosity of the plastic becomes smaller, increased mobility, thus improving the processing performance. Therefore, epoxy linseed oil has such a high quality performance, is inseparable from its own mechanism.

What is the effect of epoxy linseed oil on coating adhesion?

The production of paint will add a quantitative plasticizer, for example, chlorinated rubber paint in most of the use of chlorinated paraffin as a plasticizer. Plasticity can be understood as flexibility, without plasticizer is difficult to good film formation, adhesion is almost none.

Epoxy linseed oil is used in many paints. Adding a certain percentage of epoxidized linseed oil in the coating will improve the adhesion. Generally speaking, the basic mechanisms of adhesion are mechanical collection, physical adsorption, the formation of hydrogen bonds and chemical bonds, mutual diffusion and other roles, combined with the adhesion generated by these roles, determines the adhesion between the paint film coating and the substrate performance.

Epoxy linseed oil by improving the permeability of the coating on the substrate, wettability makes the coating as far as possible to the substrate holes, crevices in the penetration, to be cured to form a myriad of small anchor points, firmly grasp the substrate, thereby improving the adhesion of the coating on the substrate.

Epoxy linseed oil by improving the wettability of the coating on the substrate, so that the coating can be as much as possible before curing complete wetting, close to the surface of the substrate, thus improving the Van der Waals force and improve the adhesion of the coating on the substrate.

Epoxidized linseed oil can promote the coating and substrate molecules of mutual diffusion, mutual dissolution, and ultimately lead to the disappearance of the interface, thereby improving the adhesion between the coating and the substrate.

Flame retardant plasticizers of the same series

Quick answer: Surface-control additives are usually selected by defect type, compatibility, and dosage window. The strongest commercial choice is the one that fixes the real problem without creating a new one.

Lcflex® T-50	T-50; ASE	CAS 91082-17-6
Lcflex® ATBC	Acetyl tributyl citrate	CAS 77-90-7
Lcflex® TBC	Tributyl citrate	CAS 77-94-1
Lcflex® TCPP	TCPP flame retardant	CAS 13674-84-5
Lcflex® DOTP	Dioctyl terephthalate	CAS 6422-86-2
Lcflex® DEP	Diethyl phthalate	CAS 84-66-2
Lcflex® TEC	triethyl citrate	CAS 77-93-0
Lcflex® DOA	Dioctyl adipate	CAS 123-79-5
Lcflex® DOS	SEBACIC ACID DI-N-OCTYL ESTER	CAS 2432-87-3
Lcflex® DINP	Diisononyl Phthalate	CAS 28553-12-0/685 15-48-0
Lcflex® TMP	Trimethylolpropane	CAS 77-99-6
Lcflex® TEP	Triethyl phosphate	CAS 78-40-0
Lcflex® TOTM	Trioctyl trimellitate	CAS 3319-31-1
Lcflex® BBP	Bio-based plasticizers, High-efficiency plasticizer
Lcflex® TMP	Trimethylol propane	CAS 77-99-6
Lcflare® TCEP	Tris(2-chloroethyl) phosphate	CAS 115-96-8
Lcflare® BDP	Bisphenol-A bis(diphenyl phosphate)	CAS 5945-33-5
Lcflare® TPP	Triphenyl phosphate	CAS 115-86-6

A practical selection checklist for wetting, leveling, and defoaming additives

Additive selection is usually most effective when the team defines the defect first and then screens compatibility, dosage range, and process stage. That is often much more reliable than choosing only by chemistry family or by a single dramatic lab result.

• Start from the defect, not the additive name: wetting loss, crater, microfoam, and instability often need different solutions even inside the same formula.
• Check compatibility at the intended dosage: the strongest additive can still be the wrong commercial choice if it narrows the process window too much.
• Review the stage of use: some products are most useful during grind, while others matter more during let-down, filling, or final application.
• Balance cure or film quality with defect control: the right additive fixes the problem without sacrificing adhesion, gloss, or appearance.

Recommended product references

• CHLUMIWE 3280: A strong wetting-agent reference for inks, coatings, and difficult substrate wetting.
• CHLUMIWE 3071: Useful when organosilicone wetting support is needed in a broad application screen.
• CHLUMIFLEX ATBC: A practical non-phthalate plasticizer reference for application and compliance screens.
• CHLUMIFLEX DOTP: A standard terephthalate-plasticizer benchmark in flexible-plastics applications.

FAQ for buyers and formulators

Why does an additive that looks powerful in a beaker sometimes fail in production?
Because shear, temperature, substrate, and the full formula can all change the way the additive performs under real process conditions.

Should the most aggressive additive always be preferred?
Not usually. The best additive is the one that solves the real defect while preserving the broadest safe operating window.