Stabilizing hydrophilic gelatin holograms having improved resist

Details Stabilizing hydrophilic gelatin holograms having improved resist Stabilizing hydrophilic gelatin holograms having improved resist

1987-11-20

1989-02-28

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Holographic process, composition, or product

430 2, 430325, 430289, 430260, 430264, G03H 104

Patent

active

048085006

ABSTRACT:
A method for treating photosensitive, hydrophilic gelatin holograms to reduce swelling when the gelatin is exposed to moisture. Two reactants which are capable of forming solid reaction products are migrated into the interstitial voids within the gelatin to form a filled gelatin which is resistant to both swelling and shrinkage due to moisture variations. Embodiments are disclosed in which the reactants are migrated simultaneously and sequentially into the gelatin. Examples of a first reactant are silane, chloronated silanes (trichlorosilane and tetrachlorosilane, fluorosilane) and a second reactant oxygen, ammonia, water vapor and suitable gaseous sources of oxygen.

REFERENCES:
patent: 4318970 (1982-03-01), Kurland et al.
patent: 4329409 (1982-05-01), Wreede et al.
patent: 4330604 (1982-05-01), Wreede et al.

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