Basic research and development assistance

Basic research and development assistance

 
High molecular composition/ polymerization experiments

Polycondensation/ polyaddition

We elaborate condensation type general-purpose engineering plastics, for example, polyamide, polyester and polycarbonate, on an experimental laboratory scale.
We consider synthesis of copolymer which contains modifying components, and make polymerizable evaluation of new monomer and physical property of acquired polymer.

Radical polymerization

We consider polymerization requirements of a wide range of polymers based on polymerization methods in existence such as suspension, solution and emulsion on a laboratory scale, and do trial production run (tens ~ hundreds of grams).
We also deal with living polymerization.

Anionic polymerization

We considerate synthesis of polymers by anionic polymerization method on a laboratory scale.
We handle anionic polymerization tests whose candidates are styrene derivative, 1,3-dienes, (meth) acrylic acid ester and so on.
We cover living anionic polymerization as well as small-scale synthesis trial on a scale of flask.

Cationic polymerization

We experiment with polymer synthesis by cationic polymerization on a scale of laboratory.
The target monomer would be aliphatic hydrocarbon such as isobutene, styrene derivative and vinyl ethers.

Ring scission polymerization

We conduct the experiments of ring scission polymerization of cyclic monomer, for example, lactam, lactide, lactone, cyclic ether, cyclic carbonate. We can synthesize a polymer quickly in which polycondensation, such as polyamide, polyester and polycarbonate, is applicable.
Polymer reforming/ alloy/ thermoplastic elastomer/ reactive extrusion

Polymer reforming

We considerate polymer reforming with the addition of a variety of reforming component.
⇒impact resistant improver, thermal stabilizer, flame retardant, oxidant inhibitor, nucleating agent, antistatic agent, ultraviolet absorbing agent and others

Thermoplastic elastomer (TPE)

TPE, which consists of the soft segment showing rubber elasticity and of the hard segment in charge of crosslinking point, is different from cross-linked rubber and is able to deform plastically (pseudo crosslinking).
DJK deals with small amount of synthesis in laboratories, alloying with other polymer and filler, and compounding tests.

Polymer alloy

We are entrusted with evaluation tests, prototyping and formula consideration related to polymer alloy.
・considering compatibilization of immiscible polymer (compatibilizer, production conditions)
・prototyping compatible and incompatible polymer alloy with twin screw extruder
・evaluating physical property of polymer alloy, analyzing composition
・improving polymer alloy in existence

Reactive extrusion

We conduct polymer reforming and morphological control regulation by fusion mixing process with chemical reactions such as grafting, end sealing, chain extension, functional group introduction.
Network polymer/ composite materials/ functional materials

Thermoset

We handle tests and studies associated with reactive oligomer and thermoset, for example, epoxy, urethan, phenol, cyanate.
We cover analysis of uncured resin, evaluation of curability, hardened material development (test specimen development), evaluation tests for exploring usages, formula consideration and all.

UV curable resin

We are entrusted with experiments and researches related to UV curable resin.
We cover small amount synthesis of UV curable oligomer, analysis of uncured resin composition, basic physical property of resin hardener, evaluation tests for exploring usages, formula consideration, small quantity production for evaluation sample and all.

Cross-linked (vulcanization) rubber

We compound a wide range of raw rubber with vulcanizing agent, auxiliary agent, accelerator, softener, lubricant, filler, reinforcing agent.
We also cross-link them with heat press (vulcanization), evaluate performance of those formulation ingredients, and consider formulations.

Polymer composite

We optimize material option and production conditions on the functional compound such as conducting materials and highly heat-conductive materials, nanofiller dispersion and a variety of mixed compounds with impact modifier, flame retardant and plasticizing agent.

Composite materials

We handle formula consideration targeting fiber-reinforced composite materials such as CFRP and GFRP, evaluation of matrix resin, physical property measurement, trial production run.
We also deal with CFRTS and CFRTP.

Coating materials

We evaluate and review paint compounding ingredients such as paint resin, pigment, extender pigment and addition ingredients.
We conduct assessments for functional coating and hard coat agent.
Surface reforming (hydrophilicity, water shedding property) of coating materials and those for auto refinish, for pre-painted metal, for plastics are evaluated.

Adhesives

On a wide range of adhesives such as structural adhesives, heat-resistant adhesives, one-component adhesives, hot melt adhesives, UV curable adhesives, and pressure-sensitive adhesives, we select base resin and addition ingredients.
We consider formulas and conduct various performance tests as well. In addition, we explore the usage of feedstocks and addictive agents, and consider formula of adhesives.

Seal materials

The formulas of molding compound focusing around transfer molding sealing material and liquid potting resin are considered.
We provide assessments of curability, moldability and cured properties.
We also do a trial production run (100~200g).

Printed writing board materials, laminated plates

We evaluate the resin components used in rigid printed circuit board (glass epoxy laminate), flexible printed circuit, build-up materials.
Furthermore, we study the composition, prototype laminated plate samples (around 100mm), and evaluate the basic physical properties.