What is claimed is:
1. A process for the continuous preparation of polyisocyanates with a biuret structure comprising the steps of continuously reacting excess amounts of organic diisocyanates having exclusively aliphatically andor cycloaliphatically bound isocyanate groups with organic diamines having exclusively aliphatically andor cycloaliphatically bound primary amino groups at temperatures above 170 C. and adding acid before or during the reaction.
2. The process of claim 1 wherein the acid comprises a member selected from the group consisting of phosphoric acids, sulfonic acids and carboxylic acids.
3. The process of claim 1 wherein the acid comprises phosphoric acid dialkyl ester.
4. The process of claim 1 wherein the acid is added in amounts from 0.01 wt. % to 1.0 wt. %, based on diisocyanate used.
5. The process of claim 1 wherein the acid is added to the diisocyanate immediately before the diamine feed.
6. The process of claim 1 wherein the organic diisocyanate is hexamethylene diisocyanate (HDI) and the organic diamine is hexamethylene diamine (HAD).
7. The process of claim 1 wherein said temperature is above 200 C.
8. The process of claim 1 further comprising removing excess diisocyanate from the polyisocyanate solution by extraction or thin film distillation until a diisocyanate monomer contents of <0.5 wt. % is obtained.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. In a data processing system which includes a software application, installation files for the software application, and a script processing engine (SPE) to facilitate software updates, a method comprising:
storing, in a client system, a set of installation files for a software application and a script processing engine (SPE) which includes one or more of:
a set of scripting constructs to accept encoded binary data, process encoded binary data and update system files and properties; and
a facility to process installation properties;
the client system initiating updating of the software application, wherein the updating comprises initiating a server computer system to perform an on-the-fly comparison of a first set of files of a current program build of the software application with a second set of files of a release build of the software application at a server computer system to determine a set of file differences;
downloading a response file generated at the server computer system to the client system, the response file including code for one or more updates of a set of application system files and data, the data including a set of configuration keywords and parameters to guide a customized installation, wherein the response file includes only one or more select downloads based on the set of file differences;
the client system processing the response file by the sets of installation files;
processing the installation properties by the sets of installation files; and
updating, via a pre-determined code injection point, a set of application system files and an installation properties file, with the aid of the processed and decoded embedded data.
2. The method of claim 1, wherein the downloading the response file further comprises:
the client system automatically translating the set of file differences into a set of script code and encoded data; and
adding the set of script code and encoded data to the response file, which also includes the set of configuration keywords and parameters to guide a customized installation.
3. The method of claim 1, wherein processing the response file further comprises:
retrieving the set of configuration keywords and parameters from the response file; and
setting the installation properties within the installation file set to values which allow the SPE to access a scripted logic and encoded data, according to the set of configuration keywords and parameters from the response file.
4. The method of claim 3, wherein processing the installation properties further comprises:
passing the scripted logic to the SPE in order for the SPE to run the scripted logic, using values of the installation properties; and
decoding the encoded binary data with the aid of the scripted logic.
5. A data processing system comprising:
a processor;
a memory system;
a network connection to one or more server computer systems;
a utility executing on the processor that:
stores, in a client system, a set of installation files for a software application and a script processing engine (SPE) which includes one or more of:
a set of scripting constructs to accept encoded binary data, process encoded binary data and update system files and properties; and
a facility to process installation properties;
initiates an updating of the software application, wherein the updating comprises initiating a server computer system to perform an on the fly comparison of a first set of files of a current program build of the software application with a second set of files of a release build of the software application at a server computer system to determine a set of file differences;
downloads a response file generated at the server computer system to the client system, the response file including code for one or more updates of a set of application system files and data, the data including a set of configuration keywords and parameters to guide a customized installation, wherein the response file includes only one or more select downloads based on the set of file differences;
processes the response file by the sets of installation files;
processes the installation properties by the sets of installation files; and
updates, via a pre-determined code injection point, a set of application system files and an installation properties file, with the aid of the processed and decoded embedded data.
6. The system of claim 5, wherein the downloading the response file further comprises:
automatically translates the set of file differences into a set of script code and encoded data; and
adds the set of script code and encoded data to the response file, which also includes the set of configuration keywords and parameters to guide a customized installation.
7. The system of claim 5, wherein processing the response file further comprises:
retrieves the set of configuration keywords and parameters from the response file; and
sets the installation properties within the installation file set to values which allow the SPE to access a scripted logic and encoded data, according to the set of configuration keywords and parameters from the response file.
8. The system of claim 7, wherein processing the installation properties further comprises:
passes the scripted logic to the SPE in order for the SPE to run the scripted logic, using values of the installation properties; and
decodes the encoded binary data with the aid of the scripted logic.
9. A computer program product comprising:
a machine readable storage device; and
program code on the machine readable storage device that when executed by a data processing system performs the functions of:
storing, in a client system, a set of installation files for a software application and a script processing engine (SPE) which includes one or more of:
a set of scripting constructs to accept encoded binary data, process encoded binary data and update system files and properties;
a facility to process installation properties;
the client system initiating updating of the software application, wherein the updating further comprises initiating a server computer system to perform an on the fly comparison of a first set of files of a current program build of the software application with a second set of files of a release build of the software application at a server computer system to determine a set of file differences;
downloading a response file generated at the server computer system to the client system, the response file including code for one or more updates of a set of application system files and data, the data including a set of configuration keywords and parameters to guide a customized installation, wherein the response file includes only one or more select downloads based on the set of file differences;
the client system processing the response file by the sets of installation files;
processing the installation properties by the sets of installation files; and
updating, via a code injection point, a set of application system files and an installation properties file, with the aid of the processed and decoded embedded data.
10. The computer program product of claim 9, wherein the code for downloading the response file further comprises code for:
automatically translating the set of file differences into a set of script code and encoded data; and
adding the set of script code and encoded data to the response file, which also includes the set of configuration keywords and parameters to guide a customized installation.
11. The computer program product of claim 9, wherein the code for processing the response file further comprises code for:
retrieving the set of configuration keywords and parameters from the response file; and
setting the installation properties within the installation file set to values which allow the SPE to access a scripted logic and encoded data, according to the set of configuration keywords and parameters from the response file.
12. The computer program product of claim 11, wherein the code for processing the installation properties file further comprises code for:
passing the scripted logic to the SPE in order for the SPE to run the scripted logic, using values of the installation properties; and
decoding the encoded binary data with the aid of the scripted logic.