We specialize in manufacturing photopolymers for holography. Over the past ten years much research has been carried out to develop more efficient photopolymers. In order to respond to the industry's growing demand for applications like LCD displays, HOEs, data storage etc., much emphasis has been put on methods to increase sensitivity.

Designing highly light-sensitive systems that polymerize at an ever faster rate have become a growing challenge. The discovery of new photosensitive mechanisms in addition to novel monomer formulas have led to new materials hitherto unseen in that area. These promising new photopolymers are likely to overcome most of the shortcomings usually associated with holographic recording materials.

DAROL FILM

POLYGRAMA DAROL PHOTOPOLYMER is a dry ("dry"means that coating on the substrate forms a solid layer) film for holography which is provided in with adequate resolution, high contrast and low scatter. It is designed for use with BLUE-GREEN lasers (488 to 535 nm) and RED ones (610 to 660 nm). It is a low cost material designed for substitute the traditional Dichromated gelatine process (DCG). It works as recording a latent (visible) reflection hologram that is further thermal developed in a single process to deliver an artificial “DCG” reflection hologram with indeed very similar properties. The perfect choice for mass production security copies at high quality, with same brilliance as one DCG hologram and totally moisture resistant and stable.

The SM Photopolymer by Polygrama represent a positive step in holography, with a simple system in easy steps:

"Sandwich"the liquid between glass or plastic substrate
Expose to laser to form a transmission hologram
Fix with White light

Polygrama easy steps system for holographic recording, see on our technology page the new films available.

DAROL, liquid photopolymers and related developing process are World-Wide (WIPO) Patent Pending.



		POLYGRAMA PHOTOPOLYMERS We specialize in manufacturing photopolymers for holography. Over the past ten years much research has been carried out to develop more efficient photopolymers. In order to respond to the industry's growing demand for applications like LCD displays, HOEs, data storage etc., much emphasis has been put on methods to increase sensitivity. Designing highly light-sensitive systems that polymerize at an ever faster rate have become a growing challenge. The discovery of new photosensitive mechanisms in addition to novel monomer formulas have led to new materials hitherto unseen in that area. These promising new photopolymers are likely to overcome most of the shortcomings usually associated with holographic recording materials. DAROL FILM POLYGRAMA DAROL PHOTOPOLYMER is a dry ("dry"means that coating on the substrate forms a solid layer) film for holography which is provided in with adequate resolution, high contrast and low scatter. It is designed for use with BLUE-GREEN lasers (488 to 535 nm) and RED ones (610 to 660 nm). It is a low cost material designed for substitute the traditional Dichromated gelatine process (DCG). It works as recording a latent (visible) reflection hologram that is further thermal developed in a single process to deliver an artificial “DCG” reflection hologram with indeed very similar properties. The perfect choice for mass production security copies at high quality, with same brilliance as one DCG hologram and totally moisture resistant and stable. The SM Photopolymer by Polygrama represent a positive step in holography, with a simple system in easy steps: "Sandwich"the liquid between glass or plastic substrate Expose to laser to form a transmission hologram Fix with White light Polygrama easy steps system for holographic recording, see on our technology page the new films available. DAROL, liquid photopolymers and related developing process are World-Wide (WIPO) Patent Pending.



		Introduction