Coating processes – Direct application of electrical – magnetic – wave – or... – Pretreatment of substrate or post-treatment of coated substrate
Patent
1995-02-01
1996-11-19
Michl, Paul R.
Coating processes
Direct application of electrical, magnetic, wave, or...
Pretreatment of substrate or post-treatment of coated substrate
427 227, 427460, 427491, 427508, 427520, 427533, 427534, 427535, 427536, 427341, 427353, 4273722, 4273855, 4273884, 4284231, B05D 300, B29C 7102, C04B 4100, H05H 100
Patent
active
055760724
ABSTRACT:
A process for preparing coating compositions of a commingled hydrogel of a polyurethane-polyurea polymer hydrogel and at least one other polymer hydrogel of a polymer different from polyurethane-polyurea; a process for making materials composed of a polymeric plastic or rubber substrate or a metallic substrate, with a coating of the commingled hydrogel thereon; and a process for making medical devices with a coating of the commingled hydrogel thereon, are disclosed. The coating compositions tenaciously adhere to the substrate materials and medical devices to which they are applied due to bonding of a tie coat to a reactive substrate surface and due to the commingling of the two hydrogel components. The coating compositions and coated materials and medical devices are non-toxic and biocompatible, making them ideally suited for use in applications such as for catheters, catheter balloons and stents. In such applications, the coating compositions, coated materials, and coated medical devices made therefrom demonstrate low coefficients of friction in contact with body fluids, especially blood, as well as a high degree of wear permanence over prolonged use. The commingled hydrogel coatings are capable of being dried to facilitate storage of the devices to which they have been applied, and can be instantly reactivated for later use by exposure to water.
REFERENCES:
patent: 4118354 (1978-10-01), Harada et al.
patent: 4373009 (1983-02-01), Winn
patent: 4459317 (1984-07-01), Lambert
patent: 4487808 (1984-12-01), Lambert
patent: 4585666 (1986-04-01), Lambert
patent: 4613517 (1986-09-01), Williams et al.
patent: 4642267 (1987-02-01), Creasy et al.
patent: 4801475 (1989-01-01), Halpern et al.
patent: 4906237 (1990-03-01), Johansson et al.
patent: 4948628 (1990-08-01), Montgomery et al.
patent: 4959074 (1990-09-01), Halpern et al.
patent: 4990357 (1991-02-01), Karakelle et al.
patent: 5023114 (1991-06-01), Halpern et al.
patent: 5026607 (1991-06-01), Kiezulas
patent: 5061777 (1991-10-01), Yoda et al.
patent: 5077352 (1991-12-01), Elton
patent: 5112736 (1992-05-01), Caldwell et al.
patent: 5132108 (1992-07-01), Narayanan et al.
patent: 5179174 (1993-01-01), Elton
Ding Ni
Forman Michael R.
Helmus Michael N.
Hostettler Fritz
Rhum David
Akers Lawrence C.
Jaeger Howard R.
Michl Paul R.
Niland Patrick
Richardson Peter C.
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